annotate Modules/_struct.c @ 83983:ccffce2dde49

Issue #18084: Use sys.byteorder in wave.py. Original patch by Hideaki Takahashi.
author Serhiy Storchaka <storchaka@gmail.com>
date Wed, 29 May 2013 23:38:00 +0300
parents 6707637f68ca
children 0872257752c2
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1de718a31004 update the struct documentation to refer to bytes
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1 /* struct module -- pack values into and (out of) bytes objects */
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2
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3 /* New version supporting byte order, alignment and size options,
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4 character strings, and unsigned numbers */
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5
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6 #define PY_SSIZE_T_CLEAN
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7
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8 #include "Python.h"
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9 #include "structmember.h"
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10 #include <ctype.h>
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11
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12 static PyTypeObject PyStructType;
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13
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14 /* The translation function for each format character is table driven */
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15 typedef struct _formatdef {
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16 char format;
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17 Py_ssize_t size;
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18 Py_ssize_t alignment;
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19 PyObject* (*unpack)(const char *,
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20 const struct _formatdef *);
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21 int (*pack)(char *, PyObject *,
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22 const struct _formatdef *);
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23 } formatdef;
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24
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25 typedef struct _formatcode {
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26 const struct _formatdef *fmtdef;
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27 Py_ssize_t offset;
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28 Py_ssize_t size;
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29 Py_ssize_t repeat;
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30 } formatcode;
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31
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32 /* Struct object interface */
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33
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34 typedef struct {
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35 PyObject_HEAD
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36 Py_ssize_t s_size;
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37 Py_ssize_t s_len;
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38 formatcode *s_codes;
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39 PyObject *s_format;
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40 PyObject *weakreflist; /* List of weak references */
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41 } PyStructObject;
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42
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43
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44 #define PyStruct_Check(op) PyObject_TypeCheck(op, &PyStructType)
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45 #define PyStruct_CheckExact(op) (Py_TYPE(op) == &PyStructType)
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47
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48 /* Exception */
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49
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50 static PyObject *StructError;
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51
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52
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53 /* Define various structs to figure out the alignments of types */
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54
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55
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56 typedef struct { char c; short x; } st_short;
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57 typedef struct { char c; int x; } st_int;
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58 typedef struct { char c; long x; } st_long;
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59 typedef struct { char c; float x; } st_float;
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60 typedef struct { char c; double x; } st_double;
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61 typedef struct { char c; void *x; } st_void_p;
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62 typedef struct { char c; size_t x; } st_size_t;
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63
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64 #define SHORT_ALIGN (sizeof(st_short) - sizeof(short))
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65 #define INT_ALIGN (sizeof(st_int) - sizeof(int))
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66 #define LONG_ALIGN (sizeof(st_long) - sizeof(long))
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67 #define FLOAT_ALIGN (sizeof(st_float) - sizeof(float))
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68 #define DOUBLE_ALIGN (sizeof(st_double) - sizeof(double))
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69 #define VOID_P_ALIGN (sizeof(st_void_p) - sizeof(void *))
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70 #define SIZE_T_ALIGN (sizeof(st_size_t) - sizeof(size_t))
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71
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72 /* We can't support q and Q in native mode unless the compiler does;
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73 in std mode, they're 8 bytes on all platforms. */
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74 #ifdef HAVE_LONG_LONG
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75 typedef struct { char c; PY_LONG_LONG x; } s_long_long;
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76 #define LONG_LONG_ALIGN (sizeof(s_long_long) - sizeof(PY_LONG_LONG))
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77 #endif
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78
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79 #ifdef HAVE_C99_BOOL
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80 #define BOOL_TYPE _Bool
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81 typedef struct { char c; _Bool x; } s_bool;
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82 #define BOOL_ALIGN (sizeof(s_bool) - sizeof(BOOL_TYPE))
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83 #else
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84 #define BOOL_TYPE char
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85 #define BOOL_ALIGN 0
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86 #endif
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87
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88 #define STRINGIFY(x) #x
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89
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90 #ifdef __powerc
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91 #pragma options align=reset
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92 #endif
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93
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94 /* Helper for integer format codes: converts an arbitrary Python object to a
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95 PyLongObject if possible, otherwise fails. Caller should decref. */
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96
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97 static PyObject *
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98 get_pylong(PyObject *v)
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99 {
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100 assert(v != NULL);
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101 if (!PyLong_Check(v)) {
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102 /* Not an integer; try to use __index__ to convert. */
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103 if (PyIndex_Check(v)) {
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104 v = PyNumber_Index(v);
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105 if (v == NULL)
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106 return NULL;
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107 }
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108 else {
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109 PyErr_SetString(StructError,
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110 "required argument is not an integer");
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111 return NULL;
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112 }
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113 }
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114 else
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115 Py_INCREF(v);
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116
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117 assert(PyLong_Check(v));
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118 return v;
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119 }
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120
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121 /* Helper routine to get a C long and raise the appropriate error if it isn't
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122 one */
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123
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124 static int
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125 get_long(PyObject *v, long *p)
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126 {
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127 long x;
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128
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129 v = get_pylong(v);
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130 if (v == NULL)
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131 return -1;
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132 assert(PyLong_Check(v));
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133 x = PyLong_AsLong(v);
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134 Py_DECREF(v);
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135 if (x == (long)-1 && PyErr_Occurred()) {
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136 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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137 PyErr_SetString(StructError,
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138 "argument out of range");
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139 return -1;
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140 }
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141 *p = x;
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142 return 0;
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143 }
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144
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145
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146 /* Same, but handling unsigned long */
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147
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148 static int
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149 get_ulong(PyObject *v, unsigned long *p)
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150 {
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151 unsigned long x;
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152
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153 v = get_pylong(v);
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154 if (v == NULL)
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155 return -1;
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156 assert(PyLong_Check(v));
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157 x = PyLong_AsUnsignedLong(v);
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158 Py_DECREF(v);
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159 if (x == (unsigned long)-1 && PyErr_Occurred()) {
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160 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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161 PyErr_SetString(StructError,
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162 "argument out of range");
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163 return -1;
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164 }
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165 *p = x;
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166 return 0;
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167 }
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168
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169 #ifdef HAVE_LONG_LONG
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170
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171 /* Same, but handling native long long. */
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172
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173 static int
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174 get_longlong(PyObject *v, PY_LONG_LONG *p)
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175 {
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176 PY_LONG_LONG x;
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177
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178 v = get_pylong(v);
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179 if (v == NULL)
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180 return -1;
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181 assert(PyLong_Check(v));
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182 x = PyLong_AsLongLong(v);
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183 Py_DECREF(v);
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184 if (x == (PY_LONG_LONG)-1 && PyErr_Occurred()) {
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185 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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186 PyErr_SetString(StructError,
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187 "argument out of range");
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188 return -1;
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189 }
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190 *p = x;
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191 return 0;
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192 }
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193
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194 /* Same, but handling native unsigned long long. */
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195
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196 static int
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197 get_ulonglong(PyObject *v, unsigned PY_LONG_LONG *p)
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198 {
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199 unsigned PY_LONG_LONG x;
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200
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201 v = get_pylong(v);
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202 if (v == NULL)
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203 return -1;
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204 assert(PyLong_Check(v));
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205 x = PyLong_AsUnsignedLongLong(v);
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206 Py_DECREF(v);
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207 if (x == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred()) {
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208 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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209 PyErr_SetString(StructError,
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210 "argument out of range");
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211 return -1;
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212 }
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213 *p = x;
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214 return 0;
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215 }
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216
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217 #endif
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218
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219 /* Same, but handling Py_ssize_t */
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220
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221 static int
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222 get_ssize_t(PyObject *v, Py_ssize_t *p)
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223 {
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224 Py_ssize_t x;
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225
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226 v = get_pylong(v);
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227 if (v == NULL)
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228 return -1;
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229 assert(PyLong_Check(v));
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230 x = PyLong_AsSsize_t(v);
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231 Py_DECREF(v);
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232 if (x == (Py_ssize_t)-1 && PyErr_Occurred()) {
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233 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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234 PyErr_SetString(StructError,
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235 "argument out of range");
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236 return -1;
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237 }
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238 *p = x;
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239 return 0;
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240 }
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241
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242 /* Same, but handling size_t */
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243
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244 static int
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245 get_size_t(PyObject *v, size_t *p)
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246 {
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247 size_t x;
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248
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249 v = get_pylong(v);
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250 if (v == NULL)
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251 return -1;
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252 assert(PyLong_Check(v));
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253 x = PyLong_AsSize_t(v);
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254 Py_DECREF(v);
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255 if (x == (size_t)-1 && PyErr_Occurred()) {
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256 if (PyErr_ExceptionMatches(PyExc_OverflowError))
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257 PyErr_SetString(StructError,
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258 "argument out of range");
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259 return -1;
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260 }
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261 *p = x;
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262 return 0;
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263 }
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264
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265
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266 #define RANGE_ERROR(x, f, flag, mask) return _range_error(f, flag)
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267
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268
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269 /* Floating point helpers */
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270
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271 static PyObject *
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272 unpack_float(const char *p, /* start of 4-byte string */
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273 int le) /* true for little-endian, false for big-endian */
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274 {
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275 double x;
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276
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277 x = _PyFloat_Unpack4((unsigned char *)p, le);
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278 if (x == -1.0 && PyErr_Occurred())
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279 return NULL;
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280 return PyFloat_FromDouble(x);
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281 }
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282
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283 static PyObject *
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284 unpack_double(const char *p, /* start of 8-byte string */
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285 int le) /* true for little-endian, false for big-endian */
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286 {
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287 double x;
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288
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289 x = _PyFloat_Unpack8((unsigned char *)p, le);
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290 if (x == -1.0 && PyErr_Occurred())
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291 return NULL;
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292 return PyFloat_FromDouble(x);
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293 }
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294
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295 /* Helper to format the range error exceptions */
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296 static int
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297 _range_error(const formatdef *f, int is_unsigned)
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298 {
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299 /* ulargest is the largest unsigned value with f->size bytes.
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300 * Note that the simpler:
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301 * ((size_t)1 << (f->size * 8)) - 1
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302 * doesn't work when f->size == sizeof(size_t) because C doesn't
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303 * define what happens when a left shift count is >= the number of
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304 * bits in the integer being shifted; e.g., on some boxes it doesn't
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305 * shift at all when they're equal.
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306 */
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307 const size_t ulargest = (size_t)-1 >> ((SIZEOF_SIZE_T - f->size)*8);
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308 assert(f->size >= 1 && f->size <= SIZEOF_SIZE_T);
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309 if (is_unsigned)
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310 PyErr_Format(StructError,
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311 "'%c' format requires 0 <= number <= %zu",
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312 f->format,
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313 ulargest);
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314 else {
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315 const Py_ssize_t largest = (Py_ssize_t)(ulargest >> 1);
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316 PyErr_Format(StructError,
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317 "'%c' format requires %zd <= number <= %zd",
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318 f->format,
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319 ~ largest,
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320 largest);
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321 }
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322
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323 return -1;
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324 }
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325
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326
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327
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328 /* A large number of small routines follow, with names of the form
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329
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330 [bln][up]_TYPE
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331
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332 [bln] distiguishes among big-endian, little-endian and native.
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333 [pu] distiguishes between pack (to struct) and unpack (from struct).
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334 TYPE is one of char, byte, ubyte, etc.
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335 */
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336
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337 /* Native mode routines. ****************************************************/
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338 /* NOTE:
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339 In all n[up]_<type> routines handling types larger than 1 byte, there is
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340 *no* guarantee that the p pointer is properly aligned for each type,
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341 therefore memcpy is called. An intermediate variable is used to
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342 compensate for big-endian architectures.
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343 Normally both the intermediate variable and the memcpy call will be
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344 skipped by C optimisation in little-endian architectures (gcc >= 2.91
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345 does this). */
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346
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347 static PyObject *
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348 nu_char(const char *p, const formatdef *f)
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349 {
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350 return PyBytes_FromStringAndSize(p, 1);
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351 }
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352
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353 static PyObject *
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354 nu_byte(const char *p, const formatdef *f)
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355 {
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356 return PyLong_FromLong((long) *(signed char *)p);
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357 }
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358
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359 static PyObject *
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360 nu_ubyte(const char *p, const formatdef *f)
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361 {
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362 return PyLong_FromLong((long) *(unsigned char *)p);
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363 }
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364
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365 static PyObject *
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366 nu_short(const char *p, const formatdef *f)
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367 {
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368 short x;
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369 memcpy((char *)&x, p, sizeof x);
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370 return PyLong_FromLong((long)x);
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371 }
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372
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373 static PyObject *
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374 nu_ushort(const char *p, const formatdef *f)
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375 {
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376 unsigned short x;
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377 memcpy((char *)&x, p, sizeof x);
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378 return PyLong_FromLong((long)x);
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379 }
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380
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381 static PyObject *
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382 nu_int(const char *p, const formatdef *f)
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383 {
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384 int x;
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385 memcpy((char *)&x, p, sizeof x);
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386 return PyLong_FromLong((long)x);
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387 }
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388
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389 static PyObject *
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390 nu_uint(const char *p, const formatdef *f)
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391 {
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392 unsigned int x;
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393 memcpy((char *)&x, p, sizeof x);
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394 #if (SIZEOF_LONG > SIZEOF_INT)
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395 return PyLong_FromLong((long)x);
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396 #else
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397 if (x <= ((unsigned int)LONG_MAX))
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398 return PyLong_FromLong((long)x);
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399 return PyLong_FromUnsignedLong((unsigned long)x);
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400 #endif
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401 }
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402
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403 static PyObject *
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404 nu_long(const char *p, const formatdef *f)
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405 {
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406 long x;
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407 memcpy((char *)&x, p, sizeof x);
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408 return PyLong_FromLong(x);
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409 }
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410
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411 static PyObject *
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412 nu_ulong(const char *p, const formatdef *f)
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413 {
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414 unsigned long x;
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415 memcpy((char *)&x, p, sizeof x);
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416 if (x <= LONG_MAX)
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417 return PyLong_FromLong((long)x);
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418 return PyLong_FromUnsignedLong(x);
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419 }
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420
72749
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421 static PyObject *
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422 nu_ssize_t(const char *p, const formatdef *f)
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423 {
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424 Py_ssize_t x;
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425 memcpy((char *)&x, p, sizeof x);
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426 return PyLong_FromSsize_t(x);
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427 }
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428
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429 static PyObject *
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430 nu_size_t(const char *p, const formatdef *f)
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431 {
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432 size_t x;
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433 memcpy((char *)&x, p, sizeof x);
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434 return PyLong_FromSize_t(x);
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435 }
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436
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437
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438 /* Native mode doesn't support q or Q unless the platform C supports
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439 long long (or, on Windows, __int64). */
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440
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441 #ifdef HAVE_LONG_LONG
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442
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443 static PyObject *
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444 nu_longlong(const char *p, const formatdef *f)
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445 {
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446 PY_LONG_LONG x;
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447 memcpy((char *)&x, p, sizeof x);
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448 if (x >= LONG_MIN && x <= LONG_MAX)
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449 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
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450 return PyLong_FromLongLong(x);
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451 }
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452
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453 static PyObject *
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454 nu_ulonglong(const char *p, const formatdef *f)
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455 {
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456 unsigned PY_LONG_LONG x;
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457 memcpy((char *)&x, p, sizeof x);
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458 if (x <= LONG_MAX)
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459 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
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460 return PyLong_FromUnsignedLongLong(x);
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461 }
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462
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463 #endif
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464
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465 static PyObject *
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466 nu_bool(const char *p, const formatdef *f)
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467 {
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468 BOOL_TYPE x;
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469 memcpy((char *)&x, p, sizeof x);
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470 return PyBool_FromLong(x != 0);
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471 }
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472
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473
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474 static PyObject *
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475 nu_float(const char *p, const formatdef *f)
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476 {
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477 float x;
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478 memcpy((char *)&x, p, sizeof x);
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479 return PyFloat_FromDouble((double)x);
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480 }
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481
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482 static PyObject *
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483 nu_double(const char *p, const formatdef *f)
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484 {
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485 double x;
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486 memcpy((char *)&x, p, sizeof x);
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487 return PyFloat_FromDouble(x);
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488 }
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489
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490 static PyObject *
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491 nu_void_p(const char *p, const formatdef *f)
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492 {
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493 void *x;
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494 memcpy((char *)&x, p, sizeof x);
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495 return PyLong_FromVoidPtr(x);
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496 }
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497
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498 static int
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499 np_byte(char *p, PyObject *v, const formatdef *f)
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500 {
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501 long x;
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502 if (get_long(v, &x) < 0)
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503 return -1;
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504 if (x < -128 || x > 127){
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505 PyErr_SetString(StructError,
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506 "byte format requires -128 <= number <= 127");
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507 return -1;
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508 }
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509 *p = (char)x;
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510 return 0;
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511 }
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512
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diff changeset
513 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
514 np_ubyte(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
515 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
516 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
517 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
518 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
519 if (x < 0 || x > 255){
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
520 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
521 "ubyte format requires 0 <= number <= 255");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
522 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
523 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
524 *p = (char)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
525 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
526 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
527
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
528 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
529 np_char(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
530 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
531 if (!PyBytes_Check(v) || PyBytes_Size(v) != 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
532 PyErr_SetString(StructError,
67181
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66555
diff changeset
533 "char format requires a bytes object of length 1");
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
534 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
535 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
536 *p = *PyBytes_AsString(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
537 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
538 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
539
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
540 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
541 np_short(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
542 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
543 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
544 short y;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
545 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
546 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
547 if (x < SHRT_MIN || x > SHRT_MAX){
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
548 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
549 "short format requires " STRINGIFY(SHRT_MIN)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
550 " <= number <= " STRINGIFY(SHRT_MAX));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
551 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
552 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
553 y = (short)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
554 memcpy(p, (char *)&y, sizeof y);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
555 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
556 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
557
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
558 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
559 np_ushort(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
560 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
561 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
562 unsigned short y;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
563 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
564 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
565 if (x < 0 || x > USHRT_MAX){
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
566 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
567 "ushort format requires 0 <= number <= " STRINGIFY(USHRT_MAX));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
568 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
569 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
570 y = (unsigned short)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
571 memcpy(p, (char *)&y, sizeof y);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
572 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
573 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
574
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
575 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
576 np_int(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
577 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
578 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
579 int y;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
580 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
581 return -1;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
582 #if (SIZEOF_LONG > SIZEOF_INT)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
583 if ((x < ((long)INT_MIN)) || (x > ((long)INT_MAX)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
584 RANGE_ERROR(x, f, 0, -1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
585 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
586 y = (int)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
587 memcpy(p, (char *)&y, sizeof y);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
588 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
589 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
590
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
591 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
592 np_uint(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
593 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
594 unsigned long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
595 unsigned int y;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
596 if (get_ulong(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
597 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
598 y = (unsigned int)x;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
599 #if (SIZEOF_LONG > SIZEOF_INT)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
600 if (x > ((unsigned long)UINT_MAX))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
601 RANGE_ERROR(y, f, 1, -1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
602 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
603 memcpy(p, (char *)&y, sizeof y);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
604 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
605 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
606
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
607 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
608 np_long(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
609 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
610 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
611 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
612 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
613 memcpy(p, (char *)&x, sizeof x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
614 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
615 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
616
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
617 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
618 np_ulong(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
619 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
620 unsigned long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
621 if (get_ulong(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
622 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
623 memcpy(p, (char *)&x, sizeof x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
624 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
625 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
626
72749
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
627 static int
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
628 np_ssize_t(char *p, PyObject *v, const formatdef *f)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
629 {
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
630 Py_ssize_t x;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
631 if (get_ssize_t(v, &x) < 0)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
632 return -1;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
633 memcpy(p, (char *)&x, sizeof x);
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
634 return 0;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
635 }
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
636
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
637 static int
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
638 np_size_t(char *p, PyObject *v, const formatdef *f)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
639 {
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
640 size_t x;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
641 if (get_size_t(v, &x) < 0)
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
642 return -1;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
643 memcpy(p, (char *)&x, sizeof x);
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
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parents: 68489
diff changeset
644 return 0;
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
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parents: 68489
diff changeset
645 }
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
646
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diff changeset
647 #ifdef HAVE_LONG_LONG
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648
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649 static int
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650 np_longlong(char *p, PyObject *v, const formatdef *f)
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651 {
61467
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652 PY_LONG_LONG x;
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653 if (get_longlong(v, &x) < 0)
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654 return -1;
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655 memcpy(p, (char *)&x, sizeof x);
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diff changeset
656 return 0;
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657 }
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658
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
659 static int
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diff changeset
660 np_ulonglong(char *p, PyObject *v, const formatdef *f)
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diff changeset
661 {
61467
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diff changeset
662 unsigned PY_LONG_LONG x;
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diff changeset
663 if (get_ulonglong(v, &x) < 0)
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diff changeset
664 return -1;
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665 memcpy(p, (char *)&x, sizeof x);
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diff changeset
666 return 0;
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667 }
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diff changeset
668 #endif
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669
40737
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diff changeset
670
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671 static int
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diff changeset
672 np_bool(char *p, PyObject *v, const formatdef *f)
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Thomas Wouters <thomas@python.org>
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diff changeset
673 {
62855
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diff changeset
674 int y;
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675 BOOL_TYPE x;
61467
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diff changeset
676 y = PyObject_IsTrue(v);
62855
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677 if (y < 0)
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678 return -1;
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679 x = y;
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680 memcpy(p, (char *)&x, sizeof x);
61467
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diff changeset
681 return 0;
40737
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682 }
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diff changeset
683
38453
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684 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
685 np_float(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
686 {
61467
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687 float x = (float)PyFloat_AsDouble(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
688 if (x == -1 && PyErr_Occurred()) {
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diff changeset
689 PyErr_SetString(StructError,
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diff changeset
690 "required argument is not a float");
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diff changeset
691 return -1;
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diff changeset
692 }
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diff changeset
693 memcpy(p, (char *)&x, sizeof x);
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diff changeset
694 return 0;
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diff changeset
695 }
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Thomas Wouters <thomas@python.org>
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diff changeset
696
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
697 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
698 np_double(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
699 {
61467
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diff changeset
700 double x = PyFloat_AsDouble(v);
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diff changeset
701 if (x == -1 && PyErr_Occurred()) {
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diff changeset
702 PyErr_SetString(StructError,
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diff changeset
703 "required argument is not a float");
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diff changeset
704 return -1;
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diff changeset
705 }
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diff changeset
706 memcpy(p, (char *)&x, sizeof(double));
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diff changeset
707 return 0;
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diff changeset
708 }
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
709
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
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diff changeset
710 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
711 np_void_p(char *p, PyObject *v, const formatdef *f)
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
712 {
61467
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diff changeset
713 void *x;
38453
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parents:
diff changeset
714
61467
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diff changeset
715 v = get_pylong(v);
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diff changeset
716 if (v == NULL)
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diff changeset
717 return -1;
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parents: 56418
diff changeset
718 assert(PyLong_Check(v));
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parents: 56418
diff changeset
719 x = PyLong_AsVoidPtr(v);
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diff changeset
720 Py_DECREF(v);
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parents: 56418
diff changeset
721 if (x == NULL && PyErr_Occurred())
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diff changeset
722 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
723 memcpy(p, (char *)&x, sizeof x);
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diff changeset
724 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
725 }
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diff changeset
726
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
727 static formatdef native_table[] = {
61467
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diff changeset
728 {'x', sizeof(char), 0, NULL},
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diff changeset
729 {'b', sizeof(char), 0, nu_byte, np_byte},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
730 {'B', sizeof(char), 0, nu_ubyte, np_ubyte},
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parents: 56418
diff changeset
731 {'c', sizeof(char), 0, nu_char, np_char},
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parents: 56418
diff changeset
732 {'s', sizeof(char), 0, NULL},
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diff changeset
733 {'p', sizeof(char), 0, NULL},
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diff changeset
734 {'h', sizeof(short), SHORT_ALIGN, nu_short, np_short},
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diff changeset
735 {'H', sizeof(short), SHORT_ALIGN, nu_ushort, np_ushort},
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parents: 56418
diff changeset
736 {'i', sizeof(int), INT_ALIGN, nu_int, np_int},
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diff changeset
737 {'I', sizeof(int), INT_ALIGN, nu_uint, np_uint},
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parents: 56418
diff changeset
738 {'l', sizeof(long), LONG_ALIGN, nu_long, np_long},
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parents: 56418
diff changeset
739 {'L', sizeof(long), LONG_ALIGN, nu_ulong, np_ulong},
72749
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
740 {'n', sizeof(size_t), SIZE_T_ALIGN, nu_ssize_t, np_ssize_t},
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
741 {'N', sizeof(size_t), SIZE_T_ALIGN, nu_size_t, np_size_t},
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
742 #ifdef HAVE_LONG_LONG
61467
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diff changeset
743 {'q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_longlong, np_longlong},
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diff changeset
744 {'Q', sizeof(PY_LONG_LONG), LONG_LONG_ALIGN, nu_ulonglong,np_ulonglong},
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diff changeset
745 #endif
61467
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diff changeset
746 {'?', sizeof(BOOL_TYPE), BOOL_ALIGN, nu_bool, np_bool},
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diff changeset
747 {'f', sizeof(float), FLOAT_ALIGN, nu_float, np_float},
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diff changeset
748 {'d', sizeof(double), DOUBLE_ALIGN, nu_double, np_double},
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diff changeset
749 {'P', sizeof(void *), VOID_P_ALIGN, nu_void_p, np_void_p},
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diff changeset
750 {0}
38453
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751 };
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752
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
753 /* Big-endian routines. *****************************************************/
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diff changeset
754
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
755 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
756 bu_int(const char *p, const formatdef *f)
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parents:
diff changeset
757 {
61467
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diff changeset
758 long x = 0;
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diff changeset
759 Py_ssize_t i = f->size;
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diff changeset
760 const unsigned char *bytes = (const unsigned char *)p;
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diff changeset
761 do {
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762 x = (x<<8) | *bytes++;
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diff changeset
763 } while (--i > 0);
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diff changeset
764 /* Extend the sign bit. */
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diff changeset
765 if (SIZEOF_LONG > f->size)
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diff changeset
766 x |= -(x & (1L << ((8 * f->size) - 1)));
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diff changeset
767 return PyLong_FromLong(x);
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diff changeset
768 }
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diff changeset
769
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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diff changeset
770 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
771 bu_uint(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
772 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
773 unsigned long x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
774 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
775 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
776 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
777 x = (x<<8) | *bytes++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
778 } while (--i > 0);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
779 if (x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
780 return PyLong_FromLong((long)x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
781 return PyLong_FromUnsignedLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
782 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
783
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
784 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
785 bu_longlong(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
786 {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
787 #ifdef HAVE_LONG_LONG
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
788 PY_LONG_LONG x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
789 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
790 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
791 do {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
792 x = (x<<8) | *bytes++;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
793 } while (--i > 0);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
794 /* Extend the sign bit. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
795 if (SIZEOF_LONG_LONG > f->size)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
796 x |= -(x & ((PY_LONG_LONG)1 << ((8 * f->size) - 1)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
797 if (x >= LONG_MIN && x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
798 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
799 return PyLong_FromLongLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
800 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
801 return _PyLong_FromByteArray((const unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
802 8,
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
803 0, /* little-endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
804 1 /* signed */);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
805 #endif
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
806 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
807
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
808 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
809 bu_ulonglong(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
810 {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
811 #ifdef HAVE_LONG_LONG
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
812 unsigned PY_LONG_LONG x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
813 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
814 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
815 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
816 x = (x<<8) | *bytes++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
817 } while (--i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
818 if (x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
819 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
820 return PyLong_FromUnsignedLongLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
821 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
822 return _PyLong_FromByteArray((const unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
823 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
824 0, /* little-endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
825 0 /* signed */);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
826 #endif
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
827 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
828
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
829 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
830 bu_float(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
831 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
832 return unpack_float(p, 0);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
833 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
834
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
835 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
836 bu_double(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
837 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
838 return unpack_double(p, 0);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
839 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
840
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
841 static PyObject *
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
842 bu_bool(const char *p, const formatdef *f)
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
843 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
844 char x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
845 memcpy((char *)&x, p, sizeof x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
846 return PyBool_FromLong(x != 0);
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
847 }
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
848
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
849 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
850 bp_int(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
851 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
852 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
853 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
854 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
855 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
856 i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
857 if (i != SIZEOF_LONG) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
858 if ((i == 2) && (x < -32768 || x > 32767))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
859 RANGE_ERROR(x, f, 0, 0xffffL);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
860 #if (SIZEOF_LONG != 4)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
861 else if ((i == 4) && (x < -2147483648L || x > 2147483647L))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
862 RANGE_ERROR(x, f, 0, 0xffffffffL);
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
863 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
864 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
865 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
866 p[--i] = (char)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
867 x >>= 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
868 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
869 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
870 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
871
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
872 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
873 bp_uint(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
874 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
875 unsigned long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
876 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
877 if (get_ulong(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
878 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
879 i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
880 if (i != SIZEOF_LONG) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
881 unsigned long maxint = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
882 maxint <<= (unsigned long)(i * 8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
883 if (x >= maxint)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
884 RANGE_ERROR(x, f, 1, maxint - 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
885 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
886 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
887 p[--i] = (char)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
888 x >>= 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
889 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
890 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
891 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
892
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
893 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
894 bp_longlong(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
895 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
896 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
897 v = get_pylong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
898 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
899 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
900 res = _PyLong_AsByteArray((PyLongObject *)v,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
901 (unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
902 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
903 0, /* little_endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
904 1 /* signed */);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
905 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
906 return res;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
907 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
908
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
909 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
910 bp_ulonglong(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
911 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
912 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
913 v = get_pylong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
914 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
915 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
916 res = _PyLong_AsByteArray((PyLongObject *)v,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
917 (unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
918 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
919 0, /* little_endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
920 0 /* signed */);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
921 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
922 return res;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
923 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
924
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
925 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
926 bp_float(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
927 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
928 double x = PyFloat_AsDouble(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
929 if (x == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
930 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
931 "required argument is not a float");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
932 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
933 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
934 return _PyFloat_Pack4(x, (unsigned char *)p, 0);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
935 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
936
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
937 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
938 bp_double(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
939 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
940 double x = PyFloat_AsDouble(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
941 if (x == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
942 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
943 "required argument is not a float");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
944 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
945 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
946 return _PyFloat_Pack8(x, (unsigned char *)p, 0);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
947 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
948
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
949 static int
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
950 bp_bool(char *p, PyObject *v, const formatdef *f)
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
951 {
63066
68036f2b5ac8 Merged revisions 82941 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62855
diff changeset
952 int y;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
953 y = PyObject_IsTrue(v);
62855
55a024f51524 Merged revisions 82628,82630 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 62315
diff changeset
954 if (y < 0)
55a024f51524 Merged revisions 82628,82630 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 62315
diff changeset
955 return -1;
63066
68036f2b5ac8 Merged revisions 82941 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62855
diff changeset
956 *p = (char)y;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
957 return 0;
40737
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
958 }
6ebad2a6b990 Merged revisions 53451-53537 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 40626
diff changeset
959
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
960 static formatdef bigendian_table[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
961 {'x', 1, 0, NULL},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
962 {'b', 1, 0, nu_byte, np_byte},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
963 {'B', 1, 0, nu_ubyte, np_ubyte},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
964 {'c', 1, 0, nu_char, np_char},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
965 {'s', 1, 0, NULL},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
966 {'p', 1, 0, NULL},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
967 {'h', 2, 0, bu_int, bp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
968 {'H', 2, 0, bu_uint, bp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
969 {'i', 4, 0, bu_int, bp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
970 {'I', 4, 0, bu_uint, bp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
971 {'l', 4, 0, bu_int, bp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
972 {'L', 4, 0, bu_uint, bp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
973 {'q', 8, 0, bu_longlong, bp_longlong},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
974 {'Q', 8, 0, bu_ulonglong, bp_ulonglong},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
975 {'?', 1, 0, bu_bool, bp_bool},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
976 {'f', 4, 0, bu_float, bp_float},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
977 {'d', 8, 0, bu_double, bp_double},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
978 {0}
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
979 };
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
980
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
981 /* Little-endian routines. *****************************************************/
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
982
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
983 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
984 lu_int(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
985 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
986 long x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
987 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
988 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
989 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
990 x = (x<<8) | bytes[--i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
991 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
992 /* Extend the sign bit. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
993 if (SIZEOF_LONG > f->size)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
994 x |= -(x & (1L << ((8 * f->size) - 1)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
995 return PyLong_FromLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
996 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
997
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
998 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
999 lu_uint(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1000 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1001 unsigned long x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1002 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1003 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1004 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1005 x = (x<<8) | bytes[--i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1006 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1007 if (x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1008 return PyLong_FromLong((long)x);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1009 return PyLong_FromUnsignedLong((long)x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1010 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1011
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1012 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1013 lu_longlong(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1014 {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1015 #ifdef HAVE_LONG_LONG
61467
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diff changeset
1016 PY_LONG_LONG x = 0;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1017 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1018 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1019 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1020 x = (x<<8) | bytes[--i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1021 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1022 /* Extend the sign bit. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1023 if (SIZEOF_LONG_LONG > f->size)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1024 x |= -(x & ((PY_LONG_LONG)1 << ((8 * f->size) - 1)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1025 if (x >= LONG_MIN && x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1026 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, PY_LONG_LONG, long));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1027 return PyLong_FromLongLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1028 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1029 return _PyLong_FromByteArray((const unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1030 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1031 1, /* little-endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1032 1 /* signed */);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1033 #endif
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1034 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1035
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1036 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1037 lu_ulonglong(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1038 {
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1039 #ifdef HAVE_LONG_LONG
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1040 unsigned PY_LONG_LONG x = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1041 Py_ssize_t i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1042 const unsigned char *bytes = (const unsigned char *)p;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1043 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1044 x = (x<<8) | bytes[--i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1045 } while (i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1046 if (x <= LONG_MAX)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1047 return PyLong_FromLong(Py_SAFE_DOWNCAST(x, unsigned PY_LONG_LONG, long));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1048 return PyLong_FromUnsignedLongLong(x);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1049 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1050 return _PyLong_FromByteArray((const unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1051 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1052 1, /* little-endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1053 0 /* signed */);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1054 #endif
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1055 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1056
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1057 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1058 lu_float(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1059 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1060 return unpack_float(p, 1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1061 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1062
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1063 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1064 lu_double(const char *p, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1065 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1066 return unpack_double(p, 1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1067 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1068
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1069 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1070 lp_int(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1071 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1072 long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1073 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1074 if (get_long(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1075 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1076 i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1077 if (i != SIZEOF_LONG) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1078 if ((i == 2) && (x < -32768 || x > 32767))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1079 RANGE_ERROR(x, f, 0, 0xffffL);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1080 #if (SIZEOF_LONG != 4)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1081 else if ((i == 4) && (x < -2147483648L || x > 2147483647L))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1082 RANGE_ERROR(x, f, 0, 0xffffffffL);
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1083 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1084 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1085 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1086 *p++ = (char)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1087 x >>= 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1088 } while (--i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1089 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1090 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1091
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1092 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1093 lp_uint(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1094 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1095 unsigned long x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1096 Py_ssize_t i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1097 if (get_ulong(v, &x) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1098 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1099 i = f->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1100 if (i != SIZEOF_LONG) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1101 unsigned long maxint = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1102 maxint <<= (unsigned long)(i * 8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1103 if (x >= maxint)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1104 RANGE_ERROR(x, f, 1, maxint - 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1105 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1106 do {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1107 *p++ = (char)x;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1108 x >>= 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1109 } while (--i > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1110 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1111 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1112
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1113 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1114 lp_longlong(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1115 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1116 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1117 v = get_pylong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1118 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1119 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1120 res = _PyLong_AsByteArray((PyLongObject*)v,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1121 (unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1122 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1123 1, /* little_endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1124 1 /* signed */);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1125 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1126 return res;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1127 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1128
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1129 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1130 lp_ulonglong(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1131 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1132 int res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1133 v = get_pylong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1134 if (v == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1135 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1136 res = _PyLong_AsByteArray((PyLongObject*)v,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1137 (unsigned char *)p,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1138 8,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1139 1, /* little_endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1140 0 /* signed */);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1141 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1142 return res;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1143 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1144
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1145 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1146 lp_float(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1147 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1148 double x = PyFloat_AsDouble(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1149 if (x == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1150 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1151 "required argument is not a float");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1152 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1153 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1154 return _PyFloat_Pack4(x, (unsigned char *)p, 1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1155 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1156
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1157 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1158 lp_double(char *p, PyObject *v, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1159 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1160 double x = PyFloat_AsDouble(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1161 if (x == -1 && PyErr_Occurred()) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1162 PyErr_SetString(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1163 "required argument is not a float");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1164 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1165 }
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diff changeset
1166 return _PyFloat_Pack8(x, (unsigned char *)p, 1);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1167 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1168
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1169 static formatdef lilendian_table[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1170 {'x', 1, 0, NULL},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1171 {'b', 1, 0, nu_byte, np_byte},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1172 {'B', 1, 0, nu_ubyte, np_ubyte},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1173 {'c', 1, 0, nu_char, np_char},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1174 {'s', 1, 0, NULL},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1175 {'p', 1, 0, NULL},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1176 {'h', 2, 0, lu_int, lp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1177 {'H', 2, 0, lu_uint, lp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1178 {'i', 4, 0, lu_int, lp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1179 {'I', 4, 0, lu_uint, lp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1180 {'l', 4, 0, lu_int, lp_int},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1181 {'L', 4, 0, lu_uint, lp_uint},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1182 {'q', 8, 0, lu_longlong, lp_longlong},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1183 {'Q', 8, 0, lu_ulonglong, lp_ulonglong},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1184 {'?', 1, 0, bu_bool, bp_bool}, /* Std rep not endian dep,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1185 but potentially different from native rep -- reuse bx_bool funcs. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1186 {'f', 4, 0, lu_float, lp_float},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1187 {'d', 8, 0, lu_double, lp_double},
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1188 {0}
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1189 };
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1190
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1191
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1192 static const formatdef *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1193 whichtable(char **pfmt)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1194 {
61467
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diff changeset
1195 const char *fmt = (*pfmt)++; /* May be backed out of later */
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parents: 56418
diff changeset
1196 switch (*fmt) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1197 case '<':
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1198 return lilendian_table;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1199 case '>':
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1200 case '!': /* Network byte order is big-endian */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1201 return bigendian_table;
68488
0991b40e895d #11515: fix several typos. Patch by Piotr Kasprzyk.
Ezio Melotti <ezio.melotti@gmail.com>
parents: 63299
diff changeset
1202 case '=': { /* Host byte order -- different from native in alignment! */
79803
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
Christian Heimes <christian@cheimes.de>
parents: 78313
diff changeset
1203 #if PY_LITTLE_ENDIAN
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
Christian Heimes <christian@cheimes.de>
parents: 78313
diff changeset
1204 return lilendian_table;
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
Christian Heimes <christian@cheimes.de>
parents: 78313
diff changeset
1205 #else
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
Christian Heimes <christian@cheimes.de>
parents: 78313
diff changeset
1206 return bigendian_table;
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
Christian Heimes <christian@cheimes.de>
parents: 78313
diff changeset
1207 #endif
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1208 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1209 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1210 --*pfmt; /* Back out of pointer increment */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1211 /* Fall through */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1212 case '@':
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diff changeset
1213 return native_table;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1214 }
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29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1215 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1216
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1217
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1218 /* Get the table entry for a format code */
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1219
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1220 static const formatdef *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1221 getentry(int c, const formatdef *f)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1222 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1223 for (; f->format != '\0'; f++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1224 if (f->format == c) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1225 return f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1226 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1227 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1228 PyErr_SetString(StructError, "bad char in struct format");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1229 return NULL;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1230 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1231
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1232
62251
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Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1233 /* Align a size according to a format code. Return -1 on overflow. */
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1234
62251
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1235 static Py_ssize_t
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1236 align(Py_ssize_t size, char c, const formatdef *e)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1237 {
62251
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1238 Py_ssize_t extra;
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1239
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1240 if (e->format == c) {
62251
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1241 if (e->alignment && size > 0) {
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1242 extra = (e->alignment - 1) - (size - 1) % (e->alignment);
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1243 if (extra > PY_SSIZE_T_MAX - size)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1244 return -1;
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1245 size += extra;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1246 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1247 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1248 return size;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1249 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1250
83524
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1251 /*
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1252 * Struct object implementation.
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1253 */
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1254
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1255 /* calculate the size of a format string */
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1256
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1257 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1258 prepare_s(PyStructObject *self)
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
1259 {
61467
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diff changeset
1260 const formatdef *f;
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parents: 56418
diff changeset
1261 const formatdef *e;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1262 formatcode *codes;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1263
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1264 const char *s;
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parents: 56418
diff changeset
1265 const char *fmt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1266 char c;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1267 Py_ssize_t size, len, ncodes, num, itemsize;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1268
61467
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parents: 56418
diff changeset
1269 fmt = PyBytes_AS_STRING(self->s_format);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1270
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1271 f = whichtable((char **)&fmt);
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1272
61467
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parents: 56418
diff changeset
1273 s = fmt;
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parents: 56418
diff changeset
1274 size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1275 len = 0;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1276 ncodes = 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1277 while ((c = *s++) != '\0') {
82110
38830281d43b Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) in the interpreter.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80051
diff changeset
1278 if (Py_ISSPACE(Py_CHARMASK(c)))
61467
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parents: 56418
diff changeset
1279 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1280 if ('0' <= c && c <= '9') {
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parents: 56418
diff changeset
1281 num = c - '0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1282 while ('0' <= (c = *s++) && c <= '9') {
62251
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parents: 61467
diff changeset
1283 /* overflow-safe version of
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Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1284 if (num*10 + (c - '0') > PY_SSIZE_T_MAX) { ... } */
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1285 if (num >= PY_SSIZE_T_MAX / 10 && (
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1286 num > PY_SSIZE_T_MAX / 10 ||
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1287 (c - '0') > PY_SSIZE_T_MAX % 10))
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1288 goto overflow;
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1289 num = num*10 + (c - '0');
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1290 }
62243
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61466
diff changeset
1291 if (c == '\0') {
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61466
diff changeset
1292 PyErr_SetString(StructError,
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61466
diff changeset
1293 "repeat count given without format specifier");
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61466
diff changeset
1294 return -1;
3ba1b5b4c108 Issue #3129: Trailing digits in format string are no longer ignored.
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 61466
diff changeset
1295 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1296 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1297 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1298 num = 1;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1299
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1300 e = getentry(c, f);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1301 if (e == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1302 return -1;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1303
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1304 switch (c) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1305 case 's': /* fall through */
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1306 case 'p': len++; ncodes++; break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1307 case 'x': break;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1308 default: len += num; if (num) ncodes++; break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1309 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1310
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1311 itemsize = e->size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1312 size = align(size, c, e);
62251
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1313 if (size == -1)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1314 goto overflow;
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1315
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1316 /* if (size + num * itemsize > PY_SSIZE_T_MAX) { ... } */
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1317 if (num > (PY_SSIZE_T_MAX - size) / itemsize)
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1318 goto overflow;
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1319 size += num * itemsize;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1320 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1321
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1322 /* check for overflow */
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1323 if ((ncodes + 1) > (PY_SSIZE_T_MAX / sizeof(formatcode))) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1324 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1325 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1326 }
48321
f6726f32ef70 Merged revisions 64119,64147,64150,64165,64219-64221,64229-64230,64233,64235,64253,64278,64280,64301,64303,64320,64328,64338-64339 via svnmerge from
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 47580
diff changeset
1327
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1328 self->s_size = size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1329 self->s_len = len;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1330 codes = PyMem_MALLOC((ncodes + 1) * sizeof(formatcode));
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1331 if (codes == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1332 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1333 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1334 }
63299
902131b31922 Merged revisions 83239 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 63066
diff changeset
1335 /* Free any s_codes value left over from a previous initialization. */
902131b31922 Merged revisions 83239 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 63066
diff changeset
1336 if (self->s_codes != NULL)
902131b31922 Merged revisions 83239 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 63066
diff changeset
1337 PyMem_FREE(self->s_codes);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1338 self->s_codes = codes;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1339
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1340 s = fmt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1341 size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1342 while ((c = *s++) != '\0') {
82110
38830281d43b Issue #17173: Remove uses of locale-dependent C functions (isalpha() etc.) in the interpreter.
Antoine Pitrou <solipsis@pitrou.net>
parents: 80051
diff changeset
1343 if (Py_ISSPACE(Py_CHARMASK(c)))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1344 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1345 if ('0' <= c && c <= '9') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1346 num = c - '0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1347 while ('0' <= (c = *s++) && c <= '9')
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1348 num = num*10 + (c - '0');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1349 if (c == '\0')
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1350 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1351 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1352 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1353 num = 1;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1354
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1355 e = getentry(c, f);
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1356
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1357 size = align(size, c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1358 if (c == 's' || c == 'p') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1359 codes->offset = size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1360 codes->size = num;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1361 codes->fmtdef = e;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1362 codes->repeat = 1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1363 codes++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1364 size += num;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1365 } else if (c == 'x') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1366 size += num;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1367 } else if (num) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1368 codes->offset = size;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1369 codes->size = e->size;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1370 codes->fmtdef = e;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1371 codes->repeat = num;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1372 codes++;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1373 size += e->size * num;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1374 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1375 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1376 codes->fmtdef = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1377 codes->offset = size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1378 codes->size = 0;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1379 codes->repeat = 0;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1380
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1381 return 0;
62251
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1382
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1383 overflow:
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1384 PyErr_SetString(StructError,
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1385 "total struct size too long");
50c239174976 Merged revisions 81897-81898,81902 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 61467
diff changeset
1386 return -1;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1387 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1388
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1389 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1390 s_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1391 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1392 PyObject *self;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1393
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1394 assert(type != NULL && type->tp_alloc != NULL);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1395
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1396 self = type->tp_alloc(type, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1397 if (self != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1398 PyStructObject *s = (PyStructObject*)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1399 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1400 s->s_format = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1401 s->s_codes = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1402 s->s_size = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1403 s->s_len = -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1404 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1405 return self;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1406 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1407
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1408 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1409 s_init(PyObject *self, PyObject *args, PyObject *kwds)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1410 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1411 PyStructObject *soself = (PyStructObject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1412 PyObject *o_format = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1413 int ret = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1414 static char *kwlist[] = {"format", 0};
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1415
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1416 assert(PyStruct_Check(self));
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1417
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1418 if (!PyArg_ParseTupleAndKeywords(args, kwds, "O:Struct", kwlist,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1419 &o_format))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1420 return -1;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1421
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1422 if (PyUnicode_Check(o_format)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1423 o_format = PyUnicode_AsASCIIString(o_format);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1424 if (o_format == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1425 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1426 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1427 /* XXX support buffer interface, too */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1428 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1429 Py_INCREF(o_format);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1430 }
44460
13aabc23cf2e Merged revisions 59680-59695 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1431
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1432 if (!PyBytes_Check(o_format)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1433 Py_DECREF(o_format);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1434 PyErr_Format(PyExc_TypeError,
67181
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66555
diff changeset
1435 "Struct() argument 1 must be a bytes object, not %.200s",
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1436 Py_TYPE(o_format)->tp_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1437 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1438 }
44460
13aabc23cf2e Merged revisions 59680-59695 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
1439
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1440 Py_CLEAR(soself->s_format);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1441 soself->s_format = o_format;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1442
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1443 ret = prepare_s(soself);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1444 return ret;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1445 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1446
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1447 static void
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1448 s_dealloc(PyStructObject *s)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1449 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1450 if (s->weakreflist != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1451 PyObject_ClearWeakRefs((PyObject *)s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1452 if (s->s_codes != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1453 PyMem_FREE(s->s_codes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1454 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1455 Py_XDECREF(s->s_format);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1456 Py_TYPE(s)->tp_free((PyObject *)s);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1457 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1458
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1459 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1460 s_unpack_internal(PyStructObject *soself, char *startfrom) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1461 formatcode *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1462 Py_ssize_t i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1463 PyObject *result = PyTuple_New(soself->s_len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1464 if (result == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1465 return NULL;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1466
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1467 for (code = soself->s_codes; code->fmtdef != NULL; code++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1468 const formatdef *e = code->fmtdef;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1469 const char *res = startfrom + code->offset;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1470 Py_ssize_t j = code->repeat;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1471 while (j--) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1472 PyObject *v;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1473 if (e->format == 's') {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1474 v = PyBytes_FromStringAndSize(res, code->size);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1475 } else if (e->format == 'p') {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1476 Py_ssize_t n = *(unsigned char*)res;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1477 if (n >= code->size)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1478 n = code->size - 1;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1479 v = PyBytes_FromStringAndSize(res + 1, n);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1480 } else {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1481 v = e->unpack(res, e);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1482 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1483 if (v == NULL)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1484 goto fail;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1485 PyTuple_SET_ITEM(result, i++, v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1486 res += code->size;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1487 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1488 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1489
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1490 return result;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1491 fail:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1492 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1493 return NULL;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1494 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1495
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1496
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1497 PyDoc_STRVAR(s_unpack__doc__,
41453
35f9ffc6b510 struct.unpack() allows a bytes string too (if it has the right size).
Guido van Rossum <guido@python.org>
parents: 40737
diff changeset
1498 "S.unpack(buffer) -> (v1, v2, ...)\n\
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1499 \n\
62309
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1500 Return a tuple containing values unpacked according to the format\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1501 string S.format. Requires len(buffer) == S.size. See help(struct)\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1502 for more on format strings.");
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1503
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1504 static PyObject *
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
1505 s_unpack(PyObject *self, PyObject *input)
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1506 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1507 Py_buffer vbuf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1508 PyObject *result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1509 PyStructObject *soself = (PyStructObject *)self;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
1510
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1511 assert(PyStruct_Check(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1512 assert(soself->s_codes != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1513 if (PyObject_GetBuffer(input, &vbuf, PyBUF_SIMPLE) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1514 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1515 if (vbuf.len != soself->s_size) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1516 PyErr_Format(StructError,
67181
b901da561cd1 Issue #10783: struct.pack() doesn't encode implicitly unicode to UTF-8
Victor Stinner <victor.stinner@haypocalc.com>
parents: 66555
diff changeset
1517 "unpack requires a bytes object of length %zd",
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1518 soself->s_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1519 PyBuffer_Release(&vbuf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1520 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1521 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1522 result = s_unpack_internal(soself, vbuf.buf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1523 PyBuffer_Release(&vbuf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1524 return result;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1525 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1526
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1527 PyDoc_STRVAR(s_unpack_from__doc__,
62315
4eac135a33af Merged revisions 81965 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62311
diff changeset
1528 "S.unpack_from(buffer, offset=0) -> (v1, v2, ...)\n\
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1529 \n\
62309
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1530 Return a tuple containing values unpacked according to the format\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1531 string S.format. Requires len(buffer[offset:]) >= S.size. See\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1532 help(struct) for more on format strings.");
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1533
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1534 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1535 s_unpack_from(PyObject *self, PyObject *args, PyObject *kwds)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1536 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1537 static char *kwlist[] = {"buffer", "offset", 0};
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
1538
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1539 PyObject *input;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1540 Py_ssize_t offset = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1541 Py_buffer vbuf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1542 PyObject *result;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1543 PyStructObject *soself = (PyStructObject *)self;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 42334
diff changeset
1544
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1545 assert(PyStruct_Check(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1546 assert(soself->s_codes != NULL);
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1547
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1548 if (!PyArg_ParseTupleAndKeywords(args, kwds,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1549 "O|n:unpack_from", kwlist,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1550 &input, &offset))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1551 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1552 if (PyObject_GetBuffer(input, &vbuf, PyBUF_SIMPLE) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1553 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1554 if (offset < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1555 offset += vbuf.len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1556 if (offset < 0 || vbuf.len - offset < soself->s_size) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1557 PyErr_Format(StructError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1558 "unpack_from requires a buffer of at least %zd bytes",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1559 soself->s_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1560 PyBuffer_Release(&vbuf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1561 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1562 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1563 result = s_unpack_internal(soself, (char*)vbuf.buf + offset);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1564 PyBuffer_Release(&vbuf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1565 return result;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1566 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1567
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1568
83524
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1569 /* Unpack iterator type */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1570
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1571 typedef struct {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1572 PyObject_HEAD
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1573 PyStructObject *so;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1574 Py_buffer buf;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1575 Py_ssize_t index;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1576 } unpackiterobject;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1577
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1578 static void
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1579 unpackiter_dealloc(unpackiterobject *self)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1580 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1581 Py_XDECREF(self->so);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1582 PyBuffer_Release(&self->buf);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1583 PyObject_GC_Del(self);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1584 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1585
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1586 static int
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1587 unpackiter_traverse(unpackiterobject *self, visitproc visit, void *arg)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1588 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1589 Py_VISIT(self->so);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1590 Py_VISIT(self->buf.obj);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1591 return 0;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1592 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1593
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1594 static PyObject *
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1595 unpackiter_len(unpackiterobject *self)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1596 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1597 Py_ssize_t len;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1598 if (self->so == NULL)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1599 len = 0;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1600 else
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1601 len = (self->buf.len - self->index) / self->so->s_size;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1602 return PyLong_FromSsize_t(len);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1603 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1604
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1605 static PyMethodDef unpackiter_methods[] = {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1606 {"__length_hint__", (PyCFunction) unpackiter_len, METH_NOARGS, NULL},
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1607 {NULL, NULL} /* sentinel */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1608 };
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1609
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1610 static PyObject *
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1611 unpackiter_iternext(unpackiterobject *self)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1612 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1613 PyObject *result;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1614 if (self->so == NULL)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1615 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1616 if (self->index >= self->buf.len) {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1617 /* Iterator exhausted */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1618 Py_CLEAR(self->so);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1619 PyBuffer_Release(&self->buf);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1620 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1621 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1622 assert(self->index + self->so->s_size <= self->buf.len);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1623 result = s_unpack_internal(self->so,
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1624 (char*) self->buf.buf + self->index);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1625 self->index += self->so->s_size;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1626 return result;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1627 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1628
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1629 PyTypeObject unpackiter_type = {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1630 PyVarObject_HEAD_INIT(&PyType_Type, 0)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1631 "unpack_iterator", /* tp_name */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1632 sizeof(unpackiterobject), /* tp_basicsize */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1633 0, /* tp_itemsize */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1634 (destructor)unpackiter_dealloc, /* tp_dealloc */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1635 0, /* tp_print */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1636 0, /* tp_getattr */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1637 0, /* tp_setattr */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1638 0, /* tp_reserved */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1639 0, /* tp_repr */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1640 0, /* tp_as_number */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1641 0, /* tp_as_sequence */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1642 0, /* tp_as_mapping */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1643 0, /* tp_hash */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1644 0, /* tp_call */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1645 0, /* tp_str */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1646 PyObject_GenericGetAttr, /* tp_getattro */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1647 0, /* tp_setattro */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1648 0, /* tp_as_buffer */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1649 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1650 0, /* tp_doc */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1651 (traverseproc)unpackiter_traverse, /* tp_traverse */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1652 0, /* tp_clear */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1653 0, /* tp_richcompare */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1654 0, /* tp_weaklistoffset */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1655 PyObject_SelfIter, /* tp_iter */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1656 (iternextfunc)unpackiter_iternext, /* tp_iternext */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1657 unpackiter_methods /* tp_methods */
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1658 };
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1659
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1660 PyDoc_STRVAR(s_iter_unpack__doc__,
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1661 "S.iter_unpack(buffer) -> iterator(v1, v2, ...)\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1662 \n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1663 Return an iterator yielding tuples unpacked from the given bytes\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1664 source, like a repeated invocation of unpack_from(). Requires\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1665 that the bytes length be a multiple of the struct size.");
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1666
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1667 static PyObject *
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1668 s_iter_unpack(PyObject *_so, PyObject *input)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1669 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1670 PyStructObject *so = (PyStructObject *) _so;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1671 unpackiterobject *self;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1672
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1673 assert(PyStruct_Check(_so));
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1674 assert(so->s_codes != NULL);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1675
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1676 if (so->s_size == 0) {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1677 PyErr_Format(StructError,
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1678 "cannot iteratively unpack with a struct of length 0");
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1679 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1680 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1681
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1682 self = (unpackiterobject *) PyType_GenericAlloc(&unpackiter_type, 0);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1683 if (self == NULL)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1684 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1685
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1686 if (PyObject_GetBuffer(input, &self->buf, PyBUF_SIMPLE) < 0) {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1687 Py_DECREF(self);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1688 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1689 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1690 if (self->buf.len % so->s_size != 0) {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1691 PyErr_Format(StructError,
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1692 "iterative unpacking requires a bytes length "
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1693 "multiple of %zd",
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1694 so->s_size);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1695 Py_DECREF(self);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1696 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1697 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1698 Py_INCREF(so);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1699 self->so = so;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1700 self->index = 0;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1701 return (PyObject *) self;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1702 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1703
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
1704
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1705 /*
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1706 * Guts of the pack function.
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1707 *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1708 * Takes a struct object, a tuple of arguments, and offset in that tuple of
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1709 * argument for where to start processing the arguments for packing, and a
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1710 * character buffer for writing the packed string. The caller must insure
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1711 * that the buffer may contain the required length for packing the arguments.
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1712 * 0 is returned on success, 1 is returned if there is an error.
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1713 *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1714 */
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1715 static int
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1716 s_pack_internal(PyStructObject *soself, PyObject *args, int offset, char* buf)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1717 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1718 formatcode *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1719 /* XXX(nnorwitz): why does i need to be a local? can we use
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1720 the offset parameter or do we need the wider width? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1721 Py_ssize_t i;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1722
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1723 memset(buf, '\0', soself->s_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1724 i = offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1725 for (code = soself->s_codes; code->fmtdef != NULL; code++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1726 const formatdef *e = code->fmtdef;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1727 char *res = buf + code->offset;
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1728 Py_ssize_t j = code->repeat;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1729 while (j--) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1730 PyObject *v = PyTuple_GET_ITEM(args, i++);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1731 if (e->format == 's') {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1732 Py_ssize_t n;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1733 int isstring;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1734 void *p;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1735 isstring = PyBytes_Check(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1736 if (!isstring && !PyByteArray_Check(v)) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1737 PyErr_SetString(StructError,
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1738 "argument for 's' must be a bytes object");
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1739 return -1;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1740 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1741 if (isstring) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1742 n = PyBytes_GET_SIZE(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1743 p = PyBytes_AS_STRING(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1744 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1745 else {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1746 n = PyByteArray_GET_SIZE(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1747 p = PyByteArray_AS_STRING(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1748 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1749 if (n > code->size)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1750 n = code->size;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1751 if (n > 0)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1752 memcpy(res, p, n);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1753 } else if (e->format == 'p') {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1754 Py_ssize_t n;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1755 int isstring;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1756 void *p;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1757 isstring = PyBytes_Check(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1758 if (!isstring && !PyByteArray_Check(v)) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1759 PyErr_SetString(StructError,
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1760 "argument for 'p' must be a bytes object");
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1761 return -1;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1762 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1763 if (isstring) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1764 n = PyBytes_GET_SIZE(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1765 p = PyBytes_AS_STRING(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1766 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1767 else {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1768 n = PyByteArray_GET_SIZE(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1769 p = PyByteArray_AS_STRING(v);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1770 }
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1771 if (n > (code->size - 1))
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1772 n = code->size - 1;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1773 if (n > 0)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1774 memcpy(res + 1, p, n);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1775 if (n > 255)
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1776 n = 255;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1777 *res = Py_SAFE_DOWNCAST(n, Py_ssize_t, unsigned char);
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1778 } else {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1779 if (e->pack(res, v, e) < 0) {
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1780 if (PyLong_Check(v) && PyErr_ExceptionMatches(PyExc_OverflowError))
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1781 PyErr_SetString(StructError,
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1782 "long too large to convert to int");
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1783 return -1;
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1784 }
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1785 }
83807
6707637f68ca Issue #14596: The struct.Struct() objects now use more compact implementation.
Serhiy Storchaka <storchaka@gmail.com>
parents: 83524
diff changeset
1786 res += code->size;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1787 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1788 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1789
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1790 /* Success */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1791 return 0;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1792 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1793
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1794
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1795 PyDoc_STRVAR(s_pack__doc__,
48591
1de718a31004 update the struct documentation to refer to bytes
Benjamin Peterson <benjamin@python.org>
parents: 48321
diff changeset
1796 "S.pack(v1, v2, ...) -> bytes\n\
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1797 \n\
62309
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parents: 62251
diff changeset
1798 Return a bytes object containing values v1, v2, ... packed according\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
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parents: 62251
diff changeset
1799 to the format string S.format. See help(struct) for more on format\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1800 strings.");
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1801
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1802 static PyObject *
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1803 s_pack(PyObject *self, PyObject *args)
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1804 {
61467
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diff changeset
1805 PyStructObject *soself;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1806 PyObject *result;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1807
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1808 /* Validate arguments. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1809 soself = (PyStructObject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1810 assert(PyStruct_Check(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1811 assert(soself->s_codes != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1812 if (PyTuple_GET_SIZE(args) != soself->s_len)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1813 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1814 PyErr_Format(StructError,
80051
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1815 "pack expected %zd items for packing (got %zd)", soself->s_len, PyTuple_GET_SIZE(args));
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1816 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1817 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1818
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1819 /* Allocate a new string */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1820 result = PyBytes_FromStringAndSize((char *)NULL, soself->s_size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1821 if (result == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1822 return NULL;
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
parents: 38453
diff changeset
1823
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1824 /* Call the guts */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1825 if ( s_pack_internal(soself, args, 0, PyBytes_AS_STRING(result)) != 0 ) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1826 Py_DECREF(result);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1827 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1828 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1829
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1830 return result;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1831 }
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1832
38673
a19c20c5e5c7 Merge the rest of the trunk.
Thomas Wouters <thomas@python.org>
parents: 38669
diff changeset
1833 PyDoc_STRVAR(s_pack_into__doc__,
a19c20c5e5c7 Merge the rest of the trunk.
Thomas Wouters <thomas@python.org>
parents: 38669
diff changeset
1834 "S.pack_into(buffer, offset, v1, v2, ...)\n\
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1835 \n\
62309
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1836 Pack the values v1, v2, ... according to the format string S.format\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1837 and write the packed bytes into the writable buffer buf starting at\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1838 offset. Note that the offset is a required argument. See\n\
0f5d114eff01 Merged revisions 81947-81950,81955-81956 via svnmerge from
Mark Dickinson <dickinsm@gmail.com>
parents: 62251
diff changeset
1839 help(struct) for more on format strings.");
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1840
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1841 static PyObject *
38673
a19c20c5e5c7 Merge the rest of the trunk.
Thomas Wouters <thomas@python.org>
parents: 38669
diff changeset
1842 s_pack_into(PyObject *self, PyObject *args)
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1843 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1844 PyStructObject *soself;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1845 char *buffer;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1846 Py_ssize_t buffer_len, offset;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1847
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1848 /* Validate arguments. +1 is for the first arg as buffer. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1849 soself = (PyStructObject *)self;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1850 assert(PyStruct_Check(self));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1851 assert(soself->s_codes != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1852 if (PyTuple_GET_SIZE(args) != (soself->s_len + 2))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 56418
diff changeset
1853 {
80051
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1854 if (PyTuple_GET_SIZE(args) == 0) {
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1855 PyErr_Format(StructError,
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1856 "pack_into expected buffer argument");
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1857 }
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1858 else if (PyTuple_GET_SIZE(args) == 1) {
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1859 PyErr_Format(StructError,
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1860 "pack_into expected offset argument");
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1861 }
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1862 else {
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1863 PyErr_Format(StructError,
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1864 "pack_into expected %zd items for packing (got %zd)",
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1865 soself->s_len, (PyTuple_GET_SIZE(args) - 2));
a555bd4026b0 #14897: Enhance error messages of struct.pack and struct.pack_into
Petri Lehtinen <petri@digip.org>
parents: 78312
diff changeset
1866 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1867 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1868 }
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
Thomas Wouters <thomas@python.org>
parents:
diff changeset
1869
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1870 /* Extract a writable memory buffer from the first argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1871 if ( PyObject_AsWriteBuffer(PyTuple_GET_ITEM(args, 0),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1872 (void**)&buffer, &buffer_len) == -1 ) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1873 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1874 }
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parents: 56418
diff changeset
1875 assert( buffer_len >= 0 );
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
1876
61467
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diff changeset
1877 /* Extract the offset from the first argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1878 offset = PyNumber_AsSsize_t(PyTuple_GET_ITEM(args, 1), PyExc_IndexError);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1879 if (offset == -1 && PyErr_Occurred())
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diff changeset
1880 return NULL;
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parents:
diff changeset
1881
61467
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diff changeset
1882 /* Support negative offsets. */
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diff changeset
1883 if (offset < 0)
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diff changeset
1884 offset += buffer_len;
38453
29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk.
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parents:
diff changeset
1885
61467
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diff changeset
1886 /* Check boundaries */
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diff changeset
1887 if (offset < 0 || (buffer_len - offset) < soself->s_size) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1888 PyErr_Format(StructError,
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diff changeset
1889 "pack_into requires a buffer of at least %zd bytes",
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diff changeset
1890 soself->s_size);
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diff changeset
1891 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 56418
diff changeset
1892 }
38669
19fd6141940d Partially merge trunk into p3yk. The removal of Mac/Tools is confusing svn
Thomas Wouters <thomas@python.org>
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diff changeset
1893
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diff changeset
1894 /* Call the guts */
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1895 if ( s_pack_internal(soself, args, 2, buffer + offset) != 0 ) {
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1896 return NULL;
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1897 }
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1898
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1899 Py_RETURN_NONE;
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1900 }
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1901
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1902 static PyObject *
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1903 s_get_format(PyStructObject *self, void *unused)
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1904 {
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1905 Py_INCREF(self->s_format);
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1906 return self->s_format;
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1907 }
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1908
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1909 static PyObject *
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1910 s_get_size(PyStructObject *self, void *unused)
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1911 {
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1912 return PyLong_FromSsize_t(self->s_size);
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1913 }
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1914
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1915 PyDoc_STRVAR(s_sizeof__doc__,
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1916 "S.__sizeof__() -> size of S in memory, in bytes");
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1917
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1918 static PyObject *
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1919 s_sizeof(PyStructObject *self, void *unused)
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1920 {
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1921 Py_ssize_t size;
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1922 formatcode *code;
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1923
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1924 size = sizeof(PyStructObject) + sizeof(formatcode);
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1925 for (code = self->s_codes; code->fmtdef != NULL; code++)
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1926 size += sizeof(formatcode);
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1927 return PyLong_FromSsize_t(size);
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1928 }
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1929
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1930 /* List of functions */
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1931
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1932 static struct PyMethodDef s_methods[] = {
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1933 {"iter_unpack", s_iter_unpack, METH_O, s_iter_unpack__doc__},
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1934 {"pack", s_pack, METH_VARARGS, s_pack__doc__},
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1935 {"pack_into", s_pack_into, METH_VARARGS, s_pack_into__doc__},
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1936 {"unpack", s_unpack, METH_O, s_unpack__doc__},
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1937 {"unpack_from", (PyCFunction)s_unpack_from, METH_VARARGS|METH_KEYWORDS,
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1938 s_unpack_from__doc__},
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1939 {"__sizeof__", (PyCFunction)s_sizeof, METH_NOARGS, s_sizeof__doc__},
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1940 {NULL, NULL} /* sentinel */
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1941 };
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1942
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1943 PyDoc_STRVAR(s__doc__,
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1944 "Struct(fmt) --> compiled struct object\n"
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1945 "\n"
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1946 "Return a new Struct object which writes and reads binary data according to\n"
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1947 "the format string fmt. See help(struct) for more on format strings.");
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1948
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1949 #define OFF(x) offsetof(PyStructObject, x)
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1950
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1951 static PyGetSetDef s_getsetlist[] = {
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1952 {"format", (getter)s_get_format, (setter)NULL, "struct format string", NULL},
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1953 {"size", (getter)s_get_size, (setter)NULL, "struct size in bytes", NULL},
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1954 {NULL} /* sentinel */
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1955 };
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1956
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1957 static
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1958 PyTypeObject PyStructType = {
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1959 PyVarObject_HEAD_INIT(NULL, 0)
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1960 "Struct",
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1961 sizeof(PyStructObject),
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1962 0,
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1963 (destructor)s_dealloc, /* tp_dealloc */
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1964 0, /* tp_print */
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1965 0, /* tp_getattr */
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1966 0, /* tp_setattr */
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1967 0, /* tp_reserved */
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1968 0, /* tp_repr */
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1969 0, /* tp_as_number */
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1970 0, /* tp_as_sequence */
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1971 0, /* tp_as_mapping */
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1972 0, /* tp_hash */
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1973 0, /* tp_call */
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1974 0, /* tp_str */
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1975 PyObject_GenericGetAttr, /* tp_getattro */
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1976 PyObject_GenericSetAttr, /* tp_setattro */
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1977 0, /* tp_as_buffer */
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1978 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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1979 s__doc__, /* tp_doc */
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1980 0, /* tp_traverse */
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1981 0, /* tp_clear */
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1982 0, /* tp_richcompare */
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1983 offsetof(PyStructObject, weakreflist), /* tp_weaklistoffset */
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1984 0, /* tp_iter */
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1985 0, /* tp_iternext */
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1986 s_methods, /* tp_methods */
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1987 NULL, /* tp_members */
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1988 s_getsetlist, /* tp_getset */
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1989 0, /* tp_base */
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1990 0, /* tp_dict */
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1991 0, /* tp_descr_get */
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1992 0, /* tp_descr_set */
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1993 0, /* tp_dictoffset */
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1994 s_init, /* tp_init */
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1995 PyType_GenericAlloc,/* tp_alloc */
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1996 s_new, /* tp_new */
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1997 PyObject_Del, /* tp_free */
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1998 };
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1999
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2000
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2001 /* ---- Standalone functions ---- */
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2002
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2003 #define MAXCACHE 100
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2004 static PyObject *cache = NULL;
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2005
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2006 static PyObject *
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2007 cache_struct(PyObject *fmt)
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2008 {
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2009 PyObject * s_object;
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2010
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2011 if (cache == NULL) {
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2012 cache = PyDict_New();
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2013 if (cache == NULL)
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2014 return NULL;
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2015 }
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2016
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2017 s_object = PyDict_GetItem(cache, fmt);
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2018 if (s_object != NULL) {
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2019 Py_INCREF(s_object);
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2020 return s_object;
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2021 }
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2022
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2023 s_object = PyObject_CallFunctionObjArgs((PyObject *)(&PyStructType), fmt, NULL);
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2024 if (s_object != NULL) {
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diff changeset
2025 if (PyDict_Size(cache) >= MAXCACHE)
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diff changeset
2026 PyDict_Clear(cache);
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diff changeset
2027 /* Attempt to cache the result */
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2028 if (PyDict_SetItem(cache, fmt, s_object) == -1)
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diff changeset
2029 PyErr_Clear();
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2030 }
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2031 return s_object;
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2032 }
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diff changeset
2033
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diff changeset
2034 PyDoc_STRVAR(clearcache_doc,
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diff changeset
2035 "Clear the internal cache.");
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diff changeset
2036
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diff changeset
2037 static PyObject *
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diff changeset
2038 clearcache(PyObject *self)
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diff changeset
2039 {
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2040 Py_CLEAR(cache);
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diff changeset
2041 Py_RETURN_NONE;
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2042 }
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2043
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2044 PyDoc_STRVAR(calcsize_doc,
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2045 "calcsize(fmt) -> integer\n\
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2046 \n\
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2047 Return size in bytes of the struct described by the format string fmt.");
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2048
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2049 static PyObject *
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2050 calcsize(PyObject *self, PyObject *fmt)
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diff changeset
2051 {
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2052 Py_ssize_t n;
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2053 PyObject *s_object = cache_struct(fmt);
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diff changeset
2054 if (s_object == NULL)
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2055 return NULL;
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diff changeset
2056 n = ((PyStructObject *)s_object)->s_size;
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2057 Py_DECREF(s_object);
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2058 return PyLong_FromSsize_t(n);
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2059 }
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2060
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2061 PyDoc_STRVAR(pack_doc,
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2062 "pack(fmt, v1, v2, ...) -> bytes\n\
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2063 \n\
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2064 Return a bytes object containing the values v1, v2, ... packed according\n\
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2065 to the format string fmt. See help(struct) for more on format strings.");
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diff changeset
2066
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2067 static PyObject *
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diff changeset
2068 pack(PyObject *self, PyObject *args)
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diff changeset
2069 {
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diff changeset
2070 PyObject *s_object, *fmt, *newargs, *result;
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diff changeset
2071 Py_ssize_t n = PyTuple_GET_SIZE(args);
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diff changeset
2072
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diff changeset
2073 if (n == 0) {
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diff changeset
2074 PyErr_SetString(PyExc_TypeError, "missing format argument");
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diff changeset
2075 return NULL;
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2076 }
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diff changeset
2077 fmt = PyTuple_GET_ITEM(args, 0);
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2078 newargs = PyTuple_GetSlice(args, 1, n);
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diff changeset
2079 if (newargs == NULL)
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2080 return NULL;
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2081
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2082 s_object = cache_struct(fmt);
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diff changeset
2083 if (s_object == NULL) {
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2084 Py_DECREF(newargs);
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diff changeset
2085 return NULL;
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2086 }
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diff changeset
2087 result = s_pack(s_object, newargs);
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diff changeset
2088 Py_DECREF(newargs);
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diff changeset
2089 Py_DECREF(s_object);
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2090 return result;
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2091 }
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diff changeset
2092
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diff changeset
2093 PyDoc_STRVAR(pack_into_doc,
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2094 "pack_into(fmt, buffer, offset, v1, v2, ...)\n\
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diff changeset
2095 \n\
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diff changeset
2096 Pack the values v1, v2, ... according to the format string fmt and write\n\
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diff changeset
2097 the packed bytes into the writable buffer buf starting at offset. Note\n\
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diff changeset
2098 that the offset is a required argument. See help(struct) for more\n\
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diff changeset
2099 on format strings.");
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2100
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diff changeset
2101 static PyObject *
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diff changeset
2102 pack_into(PyObject *self, PyObject *args)
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diff changeset
2103 {
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2104 PyObject *s_object, *fmt, *newargs, *result;
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diff changeset
2105 Py_ssize_t n = PyTuple_GET_SIZE(args);
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diff changeset
2106
61467
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2107 if (n == 0) {
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diff changeset
2108 PyErr_SetString(PyExc_TypeError, "missing format argument");
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diff changeset
2109 return NULL;
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2110 }
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diff changeset
2111 fmt = PyTuple_GET_ITEM(args, 0);
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2112 newargs = PyTuple_GetSlice(args, 1, n);
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diff changeset
2113 if (newargs == NULL)
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2114 return NULL;
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diff changeset
2115
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diff changeset
2116 s_object = cache_struct(fmt);
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diff changeset
2117 if (s_object == NULL) {
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2118 Py_DECREF(newargs);
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2119 return NULL;
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2120 }
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diff changeset
2121 result = s_pack_into(s_object, newargs);
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diff changeset
2122 Py_DECREF(newargs);
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diff changeset
2123 Py_DECREF(s_object);
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2124 return result;
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diff changeset
2125 }
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diff changeset
2126
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diff changeset
2127 PyDoc_STRVAR(unpack_doc,
62309
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2128 "unpack(fmt, buffer) -> (v1, v2, ...)\n\
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diff changeset
2129 \n\
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diff changeset
2130 Return a tuple containing values unpacked according to the format string\n\
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diff changeset
2131 fmt. Requires len(buffer) == calcsize(fmt). See help(struct) for more\n\
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2132 on format strings.");
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diff changeset
2133
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diff changeset
2134 static PyObject *
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diff changeset
2135 unpack(PyObject *self, PyObject *args)
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diff changeset
2136 {
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2137 PyObject *s_object, *fmt, *inputstr, *result;
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diff changeset
2138
61467
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diff changeset
2139 if (!PyArg_UnpackTuple(args, "unpack", 2, 2, &fmt, &inputstr))
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diff changeset
2140 return NULL;
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diff changeset
2141
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2142 s_object = cache_struct(fmt);
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diff changeset
2143 if (s_object == NULL)
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2144 return NULL;
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diff changeset
2145 result = s_unpack(s_object, inputstr);
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2146 Py_DECREF(s_object);
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2147 return result;
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diff changeset
2148 }
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2149
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2150 PyDoc_STRVAR(unpack_from_doc,
62315
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2151 "unpack_from(fmt, buffer, offset=0) -> (v1, v2, ...)\n\
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2152 \n\
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2153 Return a tuple containing values unpacked according to the format string\n\
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diff changeset
2154 fmt. Requires len(buffer[offset:]) >= calcsize(fmt). See help(struct)\n\
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diff changeset
2155 for more on format strings.");
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diff changeset
2156
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diff changeset
2157 static PyObject *
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diff changeset
2158 unpack_from(PyObject *self, PyObject *args, PyObject *kwds)
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diff changeset
2159 {
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diff changeset
2160 PyObject *s_object, *fmt, *newargs, *result;
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2161 Py_ssize_t n = PyTuple_GET_SIZE(args);
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2162
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2163 if (n == 0) {
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diff changeset
2164 PyErr_SetString(PyExc_TypeError, "missing format argument");
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diff changeset
2165 return NULL;
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diff changeset
2166 }
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diff changeset
2167 fmt = PyTuple_GET_ITEM(args, 0);
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diff changeset
2168 newargs = PyTuple_GetSlice(args, 1, n);
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diff changeset
2169 if (newargs == NULL)
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diff changeset
2170 return NULL;
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2171
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2172 s_object = cache_struct(fmt);
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2173 if (s_object == NULL) {
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diff changeset
2174 Py_DECREF(newargs);
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diff changeset
2175 return NULL;
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diff changeset
2176 }
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diff changeset
2177 result = s_unpack_from(s_object, newargs, kwds);
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2178 Py_DECREF(newargs);
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diff changeset
2179 Py_DECREF(s_object);
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diff changeset
2180 return result;
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2181 }
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2182
83524
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Antoine Pitrou <solipsis@pitrou.net>
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2183 PyDoc_STRVAR(iter_unpack_doc,
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
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diff changeset
2184 "iter_unpack(fmt, buffer) -> iterator(v1, v2, ...)\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2185 \n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
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parents: 82112
diff changeset
2186 Return an iterator yielding tuples unpacked from the given bytes\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2187 source according to the format string, like a repeated invocation of\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2188 unpack_from(). Requires that the bytes length be a multiple of the\n\
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2189 format struct size.");
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2190
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2191 static PyObject *
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2192 iter_unpack(PyObject *self, PyObject *args)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2193 {
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2194 PyObject *s_object, *fmt, *input, *result;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
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diff changeset
2195
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2196 if (!PyArg_ParseTuple(args, "OO:iter_unpack", &fmt, &input))
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2197 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2198
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
2199 s_object = cache_struct(fmt);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2200 if (s_object == NULL)
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2201 return NULL;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2202 result = s_iter_unpack(s_object, input);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2203 Py_DECREF(s_object);
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2204 return result;
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
Antoine Pitrou <solipsis@pitrou.net>
parents: 82112
diff changeset
2205 }
d232cff25bbd Issue #17804: New function ``struct.iter_unpack`` allows for streaming struct unpacking.
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diff changeset
2206
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diff changeset
2207 static struct PyMethodDef module_functions[] = {
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2208 {"_clearcache", (PyCFunction)clearcache, METH_NOARGS, clearcache_doc},
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diff changeset
2209 {"calcsize", calcsize, METH_O, calcsize_doc},
83524
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2210 {"iter_unpack", iter_unpack, METH_VARARGS, iter_unpack_doc},
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diff changeset
2211 {"pack", pack, METH_VARARGS, pack_doc},
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diff changeset
2212 {"pack_into", pack_into, METH_VARARGS, pack_into_doc},
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2213 {"unpack", unpack, METH_VARARGS, unpack_doc},
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2214 {"unpack_from", (PyCFunction)unpack_from,
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diff changeset
2215 METH_VARARGS|METH_KEYWORDS, unpack_from_doc},
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diff changeset
2216 {NULL, NULL} /* sentinel */
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2217 };
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2218
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2219
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diff changeset
2220 /* Module initialization */
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diff changeset
2221
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2222 PyDoc_STRVAR(module_doc,
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diff changeset
2223 "Functions to convert between Python values and C structs.\n\
48591
1de718a31004 update the struct documentation to refer to bytes
Benjamin Peterson <benjamin@python.org>
parents: 48321
diff changeset
2224 Python bytes objects are used to hold the data representing the C struct\n\
56418
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diff changeset
2225 and also as format strings (explained below) to describe the layout of data\n\
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diff changeset
2226 in the C struct.\n\
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diff changeset
2227 \n\
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diff changeset
2228 The optional first format char indicates byte order, size and alignment:\n\
56418
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diff changeset
2229 @: native order, size & alignment (default)\n\
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diff changeset
2230 =: native order, std. size & alignment\n\
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diff changeset
2231 <: little-endian, std. size & alignment\n\
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diff changeset
2232 >: big-endian, std. size & alignment\n\
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diff changeset
2233 !: same as >\n\
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2234 \n\
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2235 The remaining chars indicate types of args and must match exactly;\n\
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diff changeset
2236 these can be preceded by a decimal repeat count:\n\
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diff changeset
2237 x: pad byte (no data); c:char; b:signed byte; B:unsigned byte;\n\
56418
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diff changeset
2238 ?: _Bool (requires C99; if not available, char is used instead)\n\
44460
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diff changeset
2239 h:short; H:unsigned short; i:int; I:unsigned int;\n\
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diff changeset
2240 l:long; L:unsigned long; f:float; d:double.\n\
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diff changeset
2241 Special cases (preceding decimal count indicates length):\n\
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diff changeset
2242 s:string (array of char); p: pascal string (with count byte).\n\
72749
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
2243 Special cases (only available in native format):\n\
db3e15017172 Issue #3163: The struct module gets new format characters 'n' and 'N'
Antoine Pitrou <solipsis@pitrou.net>
parents: 68489
diff changeset
2244 n:ssize_t; N:size_t;\n\
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2245 P:an integer type that is wide enough to hold a pointer.\n\
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diff changeset
2246 Special case (not in native mode unless 'long long' in platform C):\n\
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diff changeset
2247 q:long long; Q:unsigned long long\n\
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diff changeset
2248 Whitespace between formats is ignored.\n\
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diff changeset
2249 \n\
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diff changeset
2250 The variable struct.error is an exception raised on errors.\n");
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diff changeset
2251
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Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2252
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2253 static struct PyModuleDef _structmodule = {
61467
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diff changeset
2254 PyModuleDef_HEAD_INIT,
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diff changeset
2255 "_struct",
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diff changeset
2256 module_doc,
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diff changeset
2257 -1,
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diff changeset
2258 module_functions,
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diff changeset
2259 NULL,
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diff changeset
2260 NULL,
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diff changeset
2261 NULL,
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diff changeset
2262 NULL
47580
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Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2263 };
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2264
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
2265 PyMODINIT_FUNC
47580
94f64f11fdd0 Implement PEP 3121: new module initialization and finalization API.
Martin v. Löwis <martin@v.loewis.de>
parents: 47301
diff changeset
2266 PyInit__struct(void)
38453
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
2267 {
62287
a490aa303d8a Remove unused variable.
Mark Dickinson <dickinsm@gmail.com>
parents: 62286
diff changeset
2268 PyObject *m;
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diff changeset
2269
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diff changeset
2270 m = PyModule_Create(&_structmodule);
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diff changeset
2271 if (m == NULL)
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diff changeset
2272 return NULL;
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Thomas Wouters <thomas@python.org>
parents:
diff changeset
2273
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diff changeset
2274 Py_TYPE(&PyStructType) = &PyType_Type;
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2275 if (PyType_Ready(&PyStructType) < 0)
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2276 return NULL;
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2277
61467
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2278 /* Check endian and swap in faster functions */
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2279 {
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2280 formatdef *native = native_table;
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diff changeset
2281 formatdef *other, *ptr;
79803
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
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diff changeset
2282 #if PY_LITTLE_ENDIAN
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diff changeset
2283 other = lilendian_table;
d2127cdec10e Issue #16166: Add PY_LITTLE_ENDIAN and PY_BIG_ENDIAN macros and unified
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diff changeset
2284 #else
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diff changeset
2285 other = bigendian_table;
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diff changeset
2286 #endif
61467
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2287 /* Scan through the native table, find a matching
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2288 entry in the endian table and swap in the
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diff changeset
2289 native implementations whenever possible
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2290 (64-bit platforms may not have "standard" sizes) */
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2291 while (native->format != '\0' && other->format != '\0') {
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diff changeset
2292 ptr = other;
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diff changeset
2293 while (ptr->format != '\0') {
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diff changeset
2294 if (ptr->format == native->format) {
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diff changeset
2295 /* Match faster when formats are
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diff changeset
2296 listed in the same order */
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diff changeset
2297 if (ptr == other)
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diff changeset
2298 other++;
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diff changeset
2299 /* Only use the trick if the
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diff changeset
2300 size matches */
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2301 if (ptr->size != native->size)
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2302 break;
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2303 /* Skip float and double, could be
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diff changeset
2304 "unknown" float format */
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2305 if (ptr->format == 'd' || ptr->format == 'f')
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2306 break;
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2307 ptr->pack = native->pack;
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2308 ptr->unpack = native->unpack;
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2309 break;
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2310 }
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2311 ptr++;
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2312 }
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2313 native++;
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2314 }
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2315 }
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2316
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2317 /* Add some symbolic constants to the module */
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2318 if (StructError == NULL) {
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2319 StructError = PyErr_NewException("struct.error", NULL, NULL);
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2320 if (StructError == NULL)
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2321 return NULL;
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2322 }
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2323
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2324 Py_INCREF(StructError);
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2325 PyModule_AddObject(m, "error", StructError);
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2326
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2327 Py_INCREF((PyObject*)&PyStructType);
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2328 PyModule_AddObject(m, "Struct", (PyObject*)&PyStructType);
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2329
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2330 return m;
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diff changeset
2331 }