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annotate Python/getargs.c @ 78185:54524897fafc

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Issue #15365: Make traceback reporting ignore any errors when printing out the source line. Such errors can't be reported anyway. This makes error reporting work, even if the "io" module can't be loaded.
author Kristján Valur Jónsson <kristjan@ccpgames.com>
date Thu, 19 Jul 2012 21:02:03 +0000
parents 1700fb28d2ab
children 29abedd4f4bb
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
8623aa3915db * Python/{modsupport.c,getargs.c,Makefile.in},
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2 /* New getargs implementation */
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3
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4 #include "Python.h"
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5
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6 #include <ctype.h>
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9 #ifdef __cplusplus
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10 extern "C" {
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11 #endif
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12 int PyArg_Parse(PyObject *, const char *, ...);
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13 int PyArg_ParseTuple(PyObject *, const char *, ...);
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14 int PyArg_VaParse(PyObject *, const char *, va_list);
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16 int PyArg_ParseTupleAndKeywords(PyObject *, PyObject *,
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17 const char *, char **, ...);
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18 int PyArg_VaParseTupleAndKeywords(PyObject *, PyObject *,
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19 const char *, char **, va_list);
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21 #ifdef HAVE_DECLSPEC_DLL
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22 /* Export functions */
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23 PyAPI_FUNC(int) _PyArg_Parse_SizeT(PyObject *, char *, ...);
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24 PyAPI_FUNC(int) _PyArg_ParseTuple_SizeT(PyObject *, char *, ...);
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25 PyAPI_FUNC(int) _PyArg_ParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
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26 const char *, char **, ...);
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27 PyAPI_FUNC(PyObject *) _Py_BuildValue_SizeT(const char *, ...);
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28 PyAPI_FUNC(int) _PyArg_VaParse_SizeT(PyObject *, char *, va_list);
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29 PyAPI_FUNC(int) _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *, PyObject *,
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30 const char *, char **, va_list);
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31 #endif
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32
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33 #define FLAG_COMPAT 1
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34 #define FLAG_SIZE_T 2
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35
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36 typedef int (*destr_t)(PyObject *, void *);
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39 /* Keep track of "objects" that have been allocated or initialized and
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40 which will need to be deallocated or cleaned up somehow if overall
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41 parsing fails.
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42 */
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43 typedef struct {
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44 void *item;
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45 destr_t destructor;
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46 } freelistentry_t;
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48 typedef struct {
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49 int first_available;
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50 freelistentry_t *entries;
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51 } freelist_t;
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54 /* Forward */
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55 static int vgetargs1(PyObject *, const char *, va_list *, int);
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56 static void seterror(int, const char *, int *, const char *, const char *);
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57 static char *convertitem(PyObject *, const char **, va_list *, int, int *,
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58 char *, size_t, freelist_t *);
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59 static char *converttuple(PyObject *, const char **, va_list *, int,
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60 int *, char *, size_t, int, freelist_t *);
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61 static char *convertsimple(PyObject *, const char **, va_list *, int, char *,
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62 size_t, freelist_t *);
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63 static Py_ssize_t convertbuffer(PyObject *, void **p, char **);
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64 static int getbuffer(PyObject *, Py_buffer *, char**);
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66 static int vgetargskeywords(PyObject *, PyObject *,
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67 const char *, char **, va_list *, int);
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68 static char *skipitem(const char **, va_list *, int);
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69
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70 int
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71 PyArg_Parse(PyObject *args, const char *format, ...)
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72 {
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73 int retval;
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74 va_list va;
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75
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76 va_start(va, format);
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77 retval = vgetargs1(args, format, &va, FLAG_COMPAT);
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78 va_end(va);
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79 return retval;
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80 }
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81
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82 int
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83 _PyArg_Parse_SizeT(PyObject *args, char *format, ...)
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84 {
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85 int retval;
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86 va_list va;
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87
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88 va_start(va, format);
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89 retval = vgetargs1(args, format, &va, FLAG_COMPAT|FLAG_SIZE_T);
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90 va_end(va);
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91 return retval;
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92 }
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95 int
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96 PyArg_ParseTuple(PyObject *args, const char *format, ...)
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97 {
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98 int retval;
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99 va_list va;
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100
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101 va_start(va, format);
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102 retval = vgetargs1(args, format, &va, 0);
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103 va_end(va);
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104 return retval;
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105 }
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106
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107 int
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108 _PyArg_ParseTuple_SizeT(PyObject *args, char *format, ...)
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109 {
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110 int retval;
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111 va_list va;
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112
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113 va_start(va, format);
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114 retval = vgetargs1(args, format, &va, FLAG_SIZE_T);
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115 va_end(va);
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116 return retval;
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117 }
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120 int
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121 PyArg_VaParse(PyObject *args, const char *format, va_list va)
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122 {
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123 va_list lva;
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124
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125 Py_VA_COPY(lva, va);
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126
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127 return vgetargs1(args, format, &lva, 0);
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128 }
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129
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130 int
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131 _PyArg_VaParse_SizeT(PyObject *args, char *format, va_list va)
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132 {
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133 va_list lva;
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134
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135 Py_VA_COPY(lva, va);
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136
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137 return vgetargs1(args, format, &lva, FLAG_SIZE_T);
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138 }
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139
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140
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141 /* Handle cleanup of allocated memory in case of exception */
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142
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143 static int
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144 cleanup_ptr(PyObject *self, void *ptr)
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145 {
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146 if (ptr) {
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147 PyMem_FREE(ptr);
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148 }
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149 return 0;
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150 }
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151
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152 static int
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153 cleanup_buffer(PyObject *self, void *ptr)
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154 {
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155 Py_buffer *buf = (Py_buffer *)ptr;
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156 if (buf) {
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157 PyBuffer_Release(buf);
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158 }
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159 return 0;
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160 }
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161
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162 static int
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163 addcleanup(void *ptr, freelist_t *freelist, destr_t destructor)
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164 {
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165 int index;
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166
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167 index = freelist->first_available;
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168 freelist->first_available += 1;
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169
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170 freelist->entries[index].item = ptr;
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171 freelist->entries[index].destructor = destructor;
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172
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173 return 0;
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174 }
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175
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176 static int
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177 cleanreturn(int retval, freelist_t *freelist)
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178 {
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179 int index;
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180
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181 if (retval == 0) {
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182 /* A failure occurred, therefore execute all of the cleanup
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183 functions.
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184 */
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185 for (index = 0; index < freelist->first_available; ++index) {
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186 freelist->entries[index].destructor(NULL,
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187 freelist->entries[index].item);
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188 }
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189 }
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190 PyMem_FREE(freelist->entries);
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191 return retval;
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192 }
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193
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194
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195 static int
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196 vgetargs1(PyObject *args, const char *format, va_list *p_va, int flags)
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197 {
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198 char msgbuf[256];
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199 int levels[32];
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200 const char *fname = NULL;
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201 const char *message = NULL;
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202 int min = -1;
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203 int max = 0;
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204 int level = 0;
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205 int endfmt = 0;
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206 const char *formatsave = format;
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207 Py_ssize_t i, len;
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208 char *msg;
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209 freelist_t freelist = {0, NULL};
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210 int compat = flags & FLAG_COMPAT;
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211
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212 assert(compat || (args != (PyObject*)NULL));
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213 flags = flags & ~FLAG_COMPAT;
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214
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215 while (endfmt == 0) {
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216 int c = *format++;
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217 switch (c) {
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218 case '(':
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219 if (level == 0)
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220 max++;
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221 level++;
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222 if (level >= 30)
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223 Py_FatalError("too many tuple nesting levels "
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224 "in argument format string");
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225 break;
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226 case ')':
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227 if (level == 0)
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228 Py_FatalError("excess ')' in getargs format");
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229 else
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230 level--;
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231 break;
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232 case '\0':
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233 endfmt = 1;
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234 break;
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235 case ':':
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236 fname = format;
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237 endfmt = 1;
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238 break;
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239 case ';':
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240 message = format;
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241 endfmt = 1;
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242 break;
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243 default:
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244 if (level == 0) {
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245 if (c == 'O')
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246 max++;
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247 else if (isalpha(Py_CHARMASK(c))) {
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248 if (c != 'e') /* skip encoded */
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249 max++;
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250 } else if (c == '|')
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251 min = max;
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252 }
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253 break;
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254 }
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255 }
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256
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257 if (level != 0)
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258 Py_FatalError(/* '(' */ "missing ')' in getargs format");
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259
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260 if (min < 0)
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261 min = max;
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262
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263 format = formatsave;
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264
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265 freelist.entries = PyMem_NEW(freelistentry_t, max);
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266 if (freelist.entries == NULL) {
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267 PyErr_NoMemory();
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268 return 0;
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269 }
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270
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271 if (compat) {
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272 if (max == 0) {
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273 if (args == NULL)
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274 return 1;
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275 PyErr_Format(PyExc_TypeError,
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276 "%.200s%s takes no arguments",
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277 fname==NULL ? "function" : fname,
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278 fname==NULL ? "" : "()");
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279 return cleanreturn(0, &freelist);
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280 }
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281 else if (min == 1 && max == 1) {
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282 if (args == NULL) {
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283 PyErr_Format(PyExc_TypeError,
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284 "%.200s%s takes at least one argument",
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285 fname==NULL ? "function" : fname,
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286 fname==NULL ? "" : "()");
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287 return cleanreturn(0, &freelist);
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288 }
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289 msg = convertitem(args, &format, p_va, flags, levels,
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290 msgbuf, sizeof(msgbuf), &freelist);
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291 if (msg == NULL)
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292 return cleanreturn(1, &freelist);
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293 seterror(levels[0], msg, levels+1, fname, message);
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294 return cleanreturn(0, &freelist);
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295 }
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296 else {
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297 PyErr_SetString(PyExc_SystemError,
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298 "old style getargs format uses new features");
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299 return cleanreturn(0, &freelist);
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300 }
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301 }
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302
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303 if (!PyTuple_Check(args)) {
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304 PyErr_SetString(PyExc_SystemError,
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305 "new style getargs format but argument is not a tuple");
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306 return cleanreturn(0, &freelist);
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307 }
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308
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309 len = PyTuple_GET_SIZE(args);
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310
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311 if (len < min || max < len) {
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312 if (message == NULL)
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313 PyErr_Format(PyExc_TypeError,
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314 "%.150s%s takes %s %d argument%s (%ld given)",
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315 fname==NULL ? "function" : fname,
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316 fname==NULL ? "" : "()",
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317 min==max ? "exactly"
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318 : len < min ? "at least" : "at most",
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319 len < min ? min : max,
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320 (len < min ? min : max) == 1 ? "" : "s",
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321 Py_SAFE_DOWNCAST(len, Py_ssize_t, long));
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322 else
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323 PyErr_SetString(PyExc_TypeError, message);
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324 return cleanreturn(0, &freelist);
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325 }
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326
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327 for (i = 0; i < len; i++) {
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328 if (*format == '|')
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329 format++;
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330 msg = convertitem(PyTuple_GET_ITEM(args, i), &format, p_va,
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331 flags, levels, msgbuf,
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332 sizeof(msgbuf), &freelist);
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333 if (msg) {
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334 seterror(i+1, msg, levels, fname, msg);
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335 return cleanreturn(0, &freelist);
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336 }
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337 }
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338
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339 if (*format != '\0' && !isalpha(Py_CHARMASK(*format)) &&
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340 *format != '(' &&
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341 *format != '|' && *format != ':' && *format != ';') {
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342 PyErr_Format(PyExc_SystemError,
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343 "bad format string: %.200s", formatsave);
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344 return cleanreturn(0, &freelist);
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345 }
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346
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347 return cleanreturn(1, &freelist);
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348 }
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349
8623aa3915db * Python/{modsupport.c,getargs.c,Makefile.in},
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350
8623aa3915db * Python/{modsupport.c,getargs.c,Makefile.in},
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351
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352 static void
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353 seterror(int iarg, const char *msg, int *levels, const char *fname,
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354 const char *message)
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355 {
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356 char buf[512];
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357 int i;
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358 char *p = buf;
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359
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360 if (PyErr_Occurred())
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361 return;
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362 else if (message == NULL) {
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363 if (fname != NULL) {
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364 PyOS_snprintf(p, sizeof(buf), "%.200s() ", fname);
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365 p += strlen(p);
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366 }
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367 if (iarg != 0) {
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368 PyOS_snprintf(p, sizeof(buf) - (p - buf),
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369 "argument %d", iarg);
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370 i = 0;
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371 p += strlen(p);
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372 while (levels[i] > 0 && i < 32 && (int)(p-buf) < 220) {
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373 PyOS_snprintf(p, sizeof(buf) - (p - buf),
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374 ", item %d", levels[i]-1);
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375 p += strlen(p);
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376 i++;
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377 }
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378 }
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379 else {
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380 PyOS_snprintf(p, sizeof(buf) - (p - buf), "argument");
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381 p += strlen(p);
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382 }
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383 PyOS_snprintf(p, sizeof(buf) - (p - buf), " %.256s", msg);
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384 message = buf;
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385 }
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386 PyErr_SetString(PyExc_TypeError, message);
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387 }
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388
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389
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390 /* Convert a tuple argument.
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391 On entry, *p_format points to the character _after_ the opening '('.
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392 On successful exit, *p_format points to the closing ')'.
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393 If successful:
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394 *p_format and *p_va are updated,
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395 *levels and *msgbuf are untouched,
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396 and NULL is returned.
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397 If the argument is invalid:
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398 *p_format is unchanged,
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399 *p_va is undefined,
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400 *levels is a 0-terminated list of item numbers,
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401 *msgbuf contains an error message, whose format is:
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402 "must be <typename1>, not <typename2>", where:
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403 <typename1> is the name of the expected type, and
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404 <typename2> is the name of the actual type,
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405 and msgbuf is returned.
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406 */
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407
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408 static char *
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409 converttuple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
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410 int *levels, char *msgbuf, size_t bufsize, int toplevel,
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411 freelist_t *freelist)
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412 {
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413 int level = 0;
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414 int n = 0;
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415 const char *format = *p_format;
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416 int i;
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417
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418 for (;;) {
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419 int c = *format++;
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420 if (c == '(') {
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421 if (level == 0)
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422 n++;
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423 level++;
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424 }
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425 else if (c == ')') {
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426 if (level == 0)
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427 break;
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428 level--;
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429 }
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430 else if (c == ':' || c == ';' || c == '\0')
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431 break;
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432 else if (level == 0 && isalpha(Py_CHARMASK(c)))
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433 n++;
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434 }
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435
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436 if (!PySequence_Check(arg) || PyBytes_Check(arg)) {
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437 levels[0] = 0;
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438 PyOS_snprintf(msgbuf, bufsize,
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439 toplevel ? "expected %d arguments, not %.50s" :
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440 "must be %d-item sequence, not %.50s",
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441 n,
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442 arg == Py_None ? "None" : arg->ob_type->tp_name);
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443 return msgbuf;
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444 }
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445
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446 if ((i = PySequence_Size(arg)) != n) {
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447 levels[0] = 0;
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448 PyOS_snprintf(msgbuf, bufsize,
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449 toplevel ? "expected %d arguments, not %d" :
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450 "must be sequence of length %d, not %d",
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451 n, i);
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452 return msgbuf;
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453 }
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454
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455 format = *p_format;
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456 for (i = 0; i < n; i++) {
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457 char *msg;
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458 PyObject *item;
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459 item = PySequence_GetItem(arg, i);
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460 if (item == NULL) {
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461 PyErr_Clear();
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462 levels[0] = i+1;
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463 levels[1] = 0;
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464 strncpy(msgbuf, "is not retrievable", bufsize);
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465 return msgbuf;
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466 }
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467 msg = convertitem(item, &format, p_va, flags, levels+1,
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468 msgbuf, bufsize, freelist);
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469 /* PySequence_GetItem calls tp->sq_item, which INCREFs */
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470 Py_XDECREF(item);
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471 if (msg != NULL) {
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472 levels[0] = i+1;
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473 return msg;
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474 }
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475 }
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476
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477 *p_format = format;
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478 return NULL;
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479 }
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480
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481
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482 /* Convert a single item. */
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483
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484 static char *
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485 convertitem(PyObject *arg, const char **p_format, va_list *p_va, int flags,
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486 int *levels, char *msgbuf, size_t bufsize, freelist_t *freelist)
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487 {
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488 char *msg;
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489 const char *format = *p_format;
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490
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491 if (*format == '(' /* ')' */) {
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492 format++;
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493 msg = converttuple(arg, &format, p_va, flags, levels, msgbuf,
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494 bufsize, 0, freelist);
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495 if (msg == NULL)
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496 format++;
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497 }
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498 else {
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499 msg = convertsimple(arg, &format, p_va, flags,
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500 msgbuf, bufsize, freelist);
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501 if (msg != NULL)
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502 levels[0] = 0;
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503 }
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504 if (msg == NULL)
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505 *p_format = format;
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506 return msg;
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507 }
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508
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Guido van Rossum <guido@python.org>
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509
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Guido van Rossum <guido@python.org>
parents:
diff changeset
510
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diff changeset
511 /* Format an error message generated by convertsimple(). */
1913
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512
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513 static char *
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
514 converterr(const char *expected, PyObject *arg, char *msgbuf, size_t bufsize)
17996
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diff changeset
515 {
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516 assert(expected != NULL);
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517 assert(arg != NULL);
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518 PyOS_snprintf(msgbuf, bufsize,
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519 "must be %.50s, not %.50s", expected,
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520 arg == Py_None ? "None" : arg->ob_type->tp_name);
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521 return msgbuf;
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522 }
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523
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diff changeset
524 #define CONV_UNICODE "(unicode conversion error)"
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diff changeset
525
36988
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diff changeset
526 /* Explicitly check for float arguments when integers are expected.
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diff changeset
527 Return 1 for error, 0 if ok. */
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Neil Schemenauer <nascheme@enme.ucalgary.ca>
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528 static int
9e47f9ed49f6 If a float is passed where a int is expected, issue a DeprecationWarning
Neil Schemenauer <nascheme@enme.ucalgary.ca>
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diff changeset
529 float_argument_error(PyObject *arg)
9e47f9ed49f6 If a float is passed where a int is expected, issue a DeprecationWarning
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parents: 27363
diff changeset
530 {
61467
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531 if (PyFloat_Check(arg)) {
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532 PyErr_SetString(PyExc_TypeError,
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533 "integer argument expected, got float" );
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534 return 1;
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535 }
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536 else
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537 return 0;
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538 }
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539
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540 /* Convert a non-tuple argument. Return NULL if conversion went OK,
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541 or a string with a message describing the failure. The message is
5a9debb14440 Internal refactoring of convertsimple() and friends.
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542 formatted as "must be <desired type>, not <actual type>".
5a9debb14440 Internal refactoring of convertsimple() and friends.
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543 When failing, an exception may or may not have been raised.
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
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diff changeset
544 Don't call if a tuple is expected.
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
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diff changeset
545
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
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parents: 35449
diff changeset
546 When you add new format codes, please don't forget poor skipitem() below.
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547 */
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diff changeset
548
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parents: 17857
diff changeset
549 static char *
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550 convertsimple(PyObject *arg, const char **p_format, va_list *p_va, int flags,
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
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diff changeset
551 char *msgbuf, size_t bufsize, freelist_t *freelist)
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552 {
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553 /* For # codes */
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554 #define FETCH_SIZE int *q=NULL;Py_ssize_t *q2=NULL;\
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555 if (flags & FLAG_SIZE_T) q2=va_arg(*p_va, Py_ssize_t*); \
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556 else q=va_arg(*p_va, int*);
68794
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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parents: 62483
diff changeset
557 #define STORE_SIZE(s) \
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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558 if (flags & FLAG_SIZE_T) \
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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559 *q2=s; \
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560 else { \
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561 if (INT_MAX < s) { \
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562 PyErr_SetString(PyExc_OverflowError, \
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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563 "size does not fit in an int"); \
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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parents: 62483
diff changeset
564 return converterr("", arg, msgbuf, bufsize); \
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565 } \
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566 *q=s; \
d9633064458c Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
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diff changeset
567 }
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diff changeset
568 #define BUFFER_LEN ((flags & FLAG_SIZE_T) ? *q2:*q)
67346
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parents: 67345
diff changeset
569 #define RETURN_ERR_OCCURRED return msgbuf
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diff changeset
570
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571 const char *format = *p_format;
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572 char c = *format++;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
573 char *sarg;
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574
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575 switch (c) {
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576
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577 case 'b': { /* unsigned byte -- very short int */
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578 char *p = va_arg(*p_va, char *);
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diff changeset
579 long ival;
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580 if (float_argument_error(arg))
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diff changeset
581 RETURN_ERR_OCCURRED;
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582 ival = PyLong_AsLong(arg);
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583 if (ival == -1 && PyErr_Occurred())
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584 RETURN_ERR_OCCURRED;
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585 else if (ival < 0) {
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586 PyErr_SetString(PyExc_OverflowError,
67346
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587 "unsigned byte integer is less than minimum");
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
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588 RETURN_ERR_OCCURRED;
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589 }
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590 else if (ival > UCHAR_MAX) {
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591 PyErr_SetString(PyExc_OverflowError,
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592 "unsigned byte integer is greater than maximum");
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
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593 RETURN_ERR_OCCURRED;
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594 }
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595 else
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596 *p = (unsigned char) ival;
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597 break;
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598 }
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599
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600 case 'B': {/* byte sized bitfield - both signed and unsigned
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601 values allowed */
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602 char *p = va_arg(*p_va, char *);
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603 long ival;
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604 if (float_argument_error(arg))
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605 RETURN_ERR_OCCURRED;
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606 ival = PyLong_AsUnsignedLongMask(arg);
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607 if (ival == -1 && PyErr_Occurred())
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608 RETURN_ERR_OCCURRED;
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609 else
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610 *p = (unsigned char) ival;
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611 break;
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612 }
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613
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614 case 'h': {/* signed short int */
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615 short *p = va_arg(*p_va, short *);
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616 long ival;
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617 if (float_argument_error(arg))
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618 RETURN_ERR_OCCURRED;
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619 ival = PyLong_AsLong(arg);
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620 if (ival == -1 && PyErr_Occurred())
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621 RETURN_ERR_OCCURRED;
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622 else if (ival < SHRT_MIN) {
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623 PyErr_SetString(PyExc_OverflowError,
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624 "signed short integer is less than minimum");
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625 RETURN_ERR_OCCURRED;
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626 }
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627 else if (ival > SHRT_MAX) {
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628 PyErr_SetString(PyExc_OverflowError,
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629 "signed short integer is greater than maximum");
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630 RETURN_ERR_OCCURRED;
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631 }
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632 else
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633 *p = (short) ival;
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634 break;
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635 }
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636
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637 case 'H': { /* short int sized bitfield, both signed and
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638 unsigned allowed */
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639 unsigned short *p = va_arg(*p_va, unsigned short *);
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640 long ival;
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641 if (float_argument_error(arg))
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642 RETURN_ERR_OCCURRED;
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643 ival = PyLong_AsUnsignedLongMask(arg);
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644 if (ival == -1 && PyErr_Occurred())
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645 RETURN_ERR_OCCURRED;
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646 else
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647 *p = (unsigned short) ival;
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648 break;
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649 }
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650
61467
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651 case 'i': {/* signed int */
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652 int *p = va_arg(*p_va, int *);
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653 long ival;
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654 if (float_argument_error(arg))
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655 RETURN_ERR_OCCURRED;
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656 ival = PyLong_AsLong(arg);
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657 if (ival == -1 && PyErr_Occurred())
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658 RETURN_ERR_OCCURRED;
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659 else if (ival > INT_MAX) {
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660 PyErr_SetString(PyExc_OverflowError,
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661 "signed integer is greater than maximum");
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662 RETURN_ERR_OCCURRED;
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663 }
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664 else if (ival < INT_MIN) {
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665 PyErr_SetString(PyExc_OverflowError,
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666 "signed integer is less than minimum");
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667 RETURN_ERR_OCCURRED;
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668 }
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669 else
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670 *p = ival;
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671 break;
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672 }
17996
5a9debb14440 Internal refactoring of convertsimple() and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
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673
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674 case 'I': { /* int sized bitfield, both signed and
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675 unsigned allowed */
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676 unsigned int *p = va_arg(*p_va, unsigned int *);
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677 unsigned int ival;
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678 if (float_argument_error(arg))
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679 RETURN_ERR_OCCURRED;
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680 ival = (unsigned int)PyLong_AsUnsignedLongMask(arg);
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681 if (ival == (unsigned int)-1 && PyErr_Occurred())
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682 RETURN_ERR_OCCURRED;
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683 else
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684 *p = ival;
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685 break;
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686 }
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687
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688 case 'n': /* Py_ssize_t */
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689 {
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690 PyObject *iobj;
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691 Py_ssize_t *p = va_arg(*p_va, Py_ssize_t *);
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692 Py_ssize_t ival = -1;
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693 if (float_argument_error(arg))
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694 RETURN_ERR_OCCURRED;
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695 iobj = PyNumber_Index(arg);
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696 if (iobj != NULL) {
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697 ival = PyLong_AsSsize_t(iobj);
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698 Py_DECREF(iobj);
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699 }
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700 if (ival == -1 && PyErr_Occurred())
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701 RETURN_ERR_OCCURRED;
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702 *p = ival;
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703 break;
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704 }
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705 case 'l': {/* long int */
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706 long *p = va_arg(*p_va, long *);
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707 long ival;
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708 if (float_argument_error(arg))
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709 RETURN_ERR_OCCURRED;
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710 ival = PyLong_AsLong(arg);
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711 if (ival == -1 && PyErr_Occurred())
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712 RETURN_ERR_OCCURRED;
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713 else
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714 *p = ival;
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715 break;
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716 }
28652
28a2975514cd SF # 595026: support for masks in getargs.c.
Thomas Heller <theller@ctypes.org>
parents: 28437
diff changeset
717
61467
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718 case 'k': { /* long sized bitfield */
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719 unsigned long *p = va_arg(*p_va, unsigned long *);
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720 unsigned long ival;
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721 if (PyLong_Check(arg))
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722 ival = PyLong_AsUnsignedLongMask(arg);
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723 else
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724 return converterr("integer<k>", arg, msgbuf, bufsize);
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725 *p = ival;
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726 break;
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727 }
43777
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728
9949
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Guido van Rossum <guido@python.org>
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729 #ifdef HAVE_LONG_LONG
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730 case 'L': {/* PY_LONG_LONG */
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731 PY_LONG_LONG *p = va_arg( *p_va, PY_LONG_LONG * );
61466
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732 PY_LONG_LONG ival;
62221
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Mark Dickinson <dickinsm@gmail.com>
parents: 62202
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733 if (float_argument_error(arg))
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734 RETURN_ERR_OCCURRED;
61466
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735 ival = PyLong_AsLongLong(arg);
62221
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Mark Dickinson <dickinsm@gmail.com>
parents: 62202
diff changeset
736 if (ival == (PY_LONG_LONG)-1 && PyErr_Occurred())
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737 RETURN_ERR_OCCURRED;
62221
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Mark Dickinson <dickinsm@gmail.com>
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738 else
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739 *p = ival;
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740 break;
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741 }
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diff changeset
742
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743 case 'K': { /* long long sized bitfield */
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744 unsigned PY_LONG_LONG *p = va_arg(*p_va, unsigned PY_LONG_LONG *);
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745 unsigned PY_LONG_LONG ival;
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746 if (PyLong_Check(arg))
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747 ival = PyLong_AsUnsignedLongLongMask(arg);
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748 else
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749 return converterr("integer<K>", arg, msgbuf, bufsize);
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750 *p = ival;
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751 break;
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752 }
8822
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Guido van Rossum <guido@python.org>
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753 #endif
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754
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755 case 'f': {/* float */
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756 float *p = va_arg(*p_va, float *);
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757 double dval = PyFloat_AsDouble(arg);
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758 if (PyErr_Occurred())
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diff changeset
759 RETURN_ERR_OCCURRED;
61467
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diff changeset
760 else
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diff changeset
761 *p = (float) dval;
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diff changeset
762 break;
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diff changeset
763 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
764
61467
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diff changeset
765 case 'd': {/* double */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
766 double *p = va_arg(*p_va, double *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
767 double dval = PyFloat_AsDouble(arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
768 if (PyErr_Occurred())
67346
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
769 RETURN_ERR_OCCURRED;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
770 else
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parents: 57549
diff changeset
771 *p = dval;
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parents: 57549
diff changeset
772 break;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
773 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
774
61467
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parents: 57549
diff changeset
775 case 'D': {/* complex double */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
776 Py_complex *p = va_arg(*p_va, Py_complex *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
777 Py_complex cval;
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diff changeset
778 cval = PyComplex_AsCComplex(arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
779 if (PyErr_Occurred())
67346
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
780 RETURN_ERR_OCCURRED;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
781 else
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parents: 57549
diff changeset
782 *p = cval;
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parents: 57549
diff changeset
783 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
784 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
785
61467
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parents: 57549
diff changeset
786 case 'c': {/* char */
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parents: 57549
diff changeset
787 char *p = va_arg(*p_va, char *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
788 if (PyBytes_Check(arg) && PyBytes_Size(arg) == 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
789 *p = PyBytes_AS_STRING(arg)[0];
71543
536fccc75f5a Issue #12380: PyArg_ParseTuple now accepts a bytearray for the 'c' format.
Eli Bendersky <eliben@gmail.com>
parents: 68809
diff changeset
790 else if (PyByteArray_Check(arg) && PyByteArray_Size(arg) == 1)
536fccc75f5a Issue #12380: PyArg_ParseTuple now accepts a bytearray for the 'c' format.
Eli Bendersky <eliben@gmail.com>
parents: 68809
diff changeset
791 *p = PyByteArray_AS_STRING(arg)[0];
61467
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diff changeset
792 else
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parents: 57549
diff changeset
793 return converterr("a byte string of length 1", arg, msgbuf, bufsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
794 break;
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parents: 57549
diff changeset
795 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
796
61467
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parents: 57549
diff changeset
797 case 'C': {/* unicode char */
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parents: 57549
diff changeset
798 int *p = va_arg(*p_va, int *);
72679
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
799 int kind;
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
800 void *data;
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
801
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
802 if (!PyUnicode_Check(arg))
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
803 return converterr("a unicode character", arg, msgbuf, bufsize);
72679
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
804
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
805 if (PyUnicode_READY(arg))
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
806 RETURN_ERR_OCCURRED;
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
807
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
808 if (PyUnicode_GET_LENGTH(arg) != 1)
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
809 return converterr("a unicode character", arg, msgbuf, bufsize);
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
810
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
811 kind = PyUnicode_KIND(arg);
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
812 data = PyUnicode_DATA(arg);
b66033a0f140 Fix usage og PyUnicode_READY()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72475
diff changeset
813 *p = PyUnicode_READ(kind, data, 0);
61467
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814 break;
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diff changeset
815 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
816
76776
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
817 case 'p': {/* boolean *p*redicate */
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
818 int *p = va_arg(*p_va, int *);
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
819 int val = PyObject_IsTrue(arg);
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
820 if (val > 0)
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
821 *p = 1;
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
822 else if (val == 0)
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
823 *p = 0;
61467
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diff changeset
824 else
76776
bc6d28e726d8 Issue #14705: Add 'p' format character to PyArg_ParseTuple* for bool support.
Larry Hastings <larry@hastings.org>
parents: 75842
diff changeset
825 RETURN_ERR_OCCURRED;
61467
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diff changeset
826 break;
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diff changeset
827 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
828
62202
d7113cacd428 Issue #8838, #8339: Remove codecs.charbuffer_encode() and "t#" parsing format
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62197
diff changeset
829 /* XXX WAAAAH! 's', 'y', 'z', 'u', 'Z', 'e', 'w' codes all
61467
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parents: 57549
diff changeset
830 need to be cleaned up! */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
831
61467
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diff changeset
832 case 'y': {/* any buffer-like object, but not PyUnicode */
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parents: 57549
diff changeset
833 void **p = (void **)va_arg(*p_va, char **);
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parents: 57549
diff changeset
834 char *buf;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
835 Py_ssize_t count;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
836 if (*format == '*') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
837 if (getbuffer(arg, (Py_buffer*)p, &buf) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
838 return converterr(buf, arg, msgbuf, bufsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
839 format++;
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
840 if (addcleanup(p, freelist, cleanup_buffer)) {
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
841 return converterr(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
842 "(cleanup problem)",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
843 arg, msgbuf, bufsize);
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diff changeset
844 }
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diff changeset
845 break;
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diff changeset
846 }
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parents: 57549
diff changeset
847 count = convertbuffer(arg, p, &buf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
848 if (count < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
849 return converterr(buf, arg, msgbuf, bufsize);
62322
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
850 if (*format == '#') {
61467
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diff changeset
851 FETCH_SIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
852 STORE_SIZE(count);
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
853 format++;
62322
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
854 } else {
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
855 if (strlen(*p) != count)
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
856 return converterr(
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
857 "bytes without null bytes",
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
858 arg, msgbuf, bufsize);
61467
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diff changeset
859 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
860 break;
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diff changeset
861 }
41611
c48fe4dc34a9 Change UnicodeDecodeError objects so that the 'object' attribute
Walter Dörwald <walter@livinglogic.de>
parents: 41596
diff changeset
862
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
863 case 's': /* text string */
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
864 case 'z': /* text string or None */
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
865 {
61467
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diff changeset
866 if (*format == '*') {
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
867 /* "s*" or "z*" */
61467
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diff changeset
868 Py_buffer *p = (Py_buffer *)va_arg(*p_va, Py_buffer *);
48683
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Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
869
62478
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
870 if (c == 'z' && arg == Py_None)
61467
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parents: 57549
diff changeset
871 PyBuffer_FillInfo(p, NULL, NULL, 0, 1, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
872 else if (PyUnicode_Check(arg)) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
873 Py_ssize_t len;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
874 sarg = PyUnicode_AsUTF8AndSize(arg, &len);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
875 if (sarg == NULL)
61467
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diff changeset
876 return converterr(CONV_UNICODE,
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diff changeset
877 arg, msgbuf, bufsize);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
878 PyBuffer_FillInfo(p, arg, sarg, len, 1, 0);
61467
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diff changeset
879 }
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diff changeset
880 else { /* any buffer-like object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
881 char *buf;
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diff changeset
882 if (getbuffer(arg, p, &buf) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
883 return converterr(buf, arg, msgbuf, bufsize);
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diff changeset
884 }
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
885 if (addcleanup(p, freelist, cleanup_buffer)) {
61467
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diff changeset
886 return converterr(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
887 "(cleanup problem)",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
888 arg, msgbuf, bufsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
889 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
890 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
891 } else if (*format == '#') { /* any buffer-like object */
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
892 /* "s#" or "z#" */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
893 void **p = (void **)va_arg(*p_va, char **);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
894 FETCH_SIZE;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
895
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
896 if (c == 'z' && arg == Py_None) {
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
897 *p = NULL;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
898 STORE_SIZE(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
899 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
900 else if (PyUnicode_Check(arg)) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
901 Py_ssize_t len;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
902 sarg = PyUnicode_AsUTF8AndSize(arg, &len);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
903 if (sarg == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
904 return converterr(CONV_UNICODE,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
905 arg, msgbuf, bufsize);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
906 *p = sarg;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
907 STORE_SIZE(len);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
908 }
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909 else { /* any buffer-like object */
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diff changeset
910 /* XXX Really? */
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diff changeset
911 char *buf;
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diff changeset
912 Py_ssize_t count = convertbuffer(arg, p, &buf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
913 if (count < 0)
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diff changeset
914 return converterr(buf, arg, msgbuf, bufsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
915 STORE_SIZE(count);
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parents: 57549
diff changeset
916 }
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diff changeset
917 format++;
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diff changeset
918 } else {
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
919 /* "s" or "z" */
61467
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920 char **p = va_arg(*p_va, char **);
72475
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Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
921 Py_ssize_t len;
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
922 sarg = NULL;
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
923
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diff changeset
924 if (c == 'z' && arg == Py_None)
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
925 *p = NULL;
61467
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diff changeset
926 else if (PyUnicode_Check(arg)) {
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
927 sarg = PyUnicode_AsUTF8AndSize(arg, &len);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
928 if (sarg == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
929 return converterr(CONV_UNICODE,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
930 arg, msgbuf, bufsize);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
931 *p = sarg;
61467
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diff changeset
932 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
933 else
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
934 return converterr(c == 'z' ? "str or None" : "str",
61467
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diff changeset
935 arg, msgbuf, bufsize);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
936 if (*p != NULL && sarg != NULL && (Py_ssize_t) strlen(*p) != len)
61467
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diff changeset
937 return converterr(
72915
9685f893fffe convertsimple(): "str without bytes" => "str without characters"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72861
diff changeset
938 c == 'z' ? "str without null characters or None"
9685f893fffe convertsimple(): "str without bytes" => "str without characters"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72861
diff changeset
939 : "str without null characters",
61467
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diff changeset
940 arg, msgbuf, bufsize);
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diff changeset
941 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
942 break;
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diff changeset
943 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
944
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
945 case 'u': /* raw unicode buffer (Py_UNICODE *) */
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
946 case 'Z': /* raw unicode buffer or None */
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
947 {
68102
e2f96bd29252 Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents: 67346
diff changeset
948 Py_UNICODE **p = va_arg(*p_va, Py_UNICODE **);
e2f96bd29252 Issue #8914: fix various warnings from the Clang static analyzer v254.
Brett Cannon <bcannon@gmail.com>
parents: 67346
diff changeset
949
61467
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diff changeset
950 if (*format == '#') { /* any buffer-like object */
62478
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parents: 62476
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951 /* "s#" or "Z#" */
61467
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diff changeset
952 FETCH_SIZE;
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
953
62478
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
954 if (c == 'Z' && arg == Py_None) {
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
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parents: 62476
diff changeset
955 *p = NULL;
61467
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diff changeset
956 STORE_SIZE(0);
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diff changeset
957 }
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diff changeset
958 else if (PyUnicode_Check(arg)) {
72861
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
959 Py_ssize_t len;
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
960 *p = PyUnicode_AsUnicodeAndSize(arg, &len);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
961 if (*p == NULL)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
962 RETURN_ERR_OCCURRED;
72861
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
963 STORE_SIZE(len);
61467
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diff changeset
964 }
62198
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parents: 61467
diff changeset
965 else
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966 return converterr("str or None", arg, msgbuf, bufsize);
61467
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967 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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968 } else {
62478
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
969 /* "s" or "Z" */
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
970 if (c == 'Z' && arg == Py_None)
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
971 *p = NULL;
62322
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
972 else if (PyUnicode_Check(arg)) {
72861
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
973 Py_ssize_t len;
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
974 *p = PyUnicode_AsUnicodeAndSize(arg, &len);
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
975 if (*p == NULL)
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71543
diff changeset
976 RETURN_ERR_OCCURRED;
72861
6358e5d29dea Use PyUnicode_AsUnicodeAndSize() instead of PyUnicode_GET_SIZE()
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72679
diff changeset
977 if (Py_UNICODE_strlen(*p) != len)
62322
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
978 return converterr(
72915
9685f893fffe convertsimple(): "str without bytes" => "str without characters"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 72861
diff changeset
979 "str without null characters or None",
62322
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
980 arg, msgbuf, bufsize);
b32a2816f6e9 Issue #8592: PyArg_Parse*() functions raise a TypeError for "y", "u" and "Z"
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62221
diff changeset
981 } else
62478
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
982 return converterr(c == 'Z' ? "str or None" : "str",
893970141608 PyArg_Parse*() functions: factorize code for s/z and u/Z formats
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62476
diff changeset
983 arg, msgbuf, bufsize);
61467
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diff changeset
984 }
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985 break;
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diff changeset
986 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
987
61467
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988 case 'e': {/* encoded string */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
989 char **buffer;
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diff changeset
990 const char *encoding;
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diff changeset
991 PyObject *s;
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diff changeset
992 int recode_strings;
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993 Py_ssize_t size;
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diff changeset
994 const char *ptr;
12051
d89556c04ef9 Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 11975
diff changeset
995
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996 /* Get 'e' parameter: the encoding name */
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997 encoding = (const char *)va_arg(*p_va, const char *);
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diff changeset
998 if (encoding == NULL)
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diff changeset
999 encoding = PyUnicode_GetDefaultEncoding();
43777
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parents: 43651
diff changeset
1000
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diff changeset
1001 /* Get output buffer parameter:
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diff changeset
1002 's' (recode all objects via Unicode) or
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1003 't' (only recode non-string objects)
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diff changeset
1004 */
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1005 if (*format == 's')
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1006 recode_strings = 1;
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1007 else if (*format == 't')
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1008 recode_strings = 0;
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diff changeset
1009 else
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1010 return converterr(
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1011 "(unknown parser marker combination)",
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1012 arg, msgbuf, bufsize);
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1013 buffer = (char **)va_arg(*p_va, char **);
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1014 format++;
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1015 if (buffer == NULL)
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1016 return converterr("(buffer is NULL)",
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1017 arg, msgbuf, bufsize);
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1018
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1019 /* Encode object */
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1020 if (!recode_strings &&
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1021 (PyBytes_Check(arg) || PyByteArray_Check(arg))) {
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1022 s = arg;
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1023 Py_INCREF(s);
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1024 if (PyObject_AsCharBuffer(s, &ptr, &size) < 0)
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1025 return converterr("(AsCharBuffer failed)",
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1026 arg, msgbuf, bufsize);
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1027 }
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1028 else {
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1029 PyObject *u;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 18887
diff changeset
1030
61467
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1031 /* Convert object to Unicode */
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1032 u = PyUnicode_FromObject(arg);
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1033 if (u == NULL)
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1034 return converterr(
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1035 "string or unicode or text buffer",
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1036 arg, msgbuf, bufsize);
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1037
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1038 /* Encode object; use default error handling */
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1039 s = PyUnicode_AsEncodedString(u,
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1040 encoding,
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1041 NULL);
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1042 Py_DECREF(u);
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1043 if (s == NULL)
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1044 return converterr("(encoding failed)",
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1045 arg, msgbuf, bufsize);
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1046 if (!PyBytes_Check(s)) {
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1047 Py_DECREF(s);
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1048 return converterr(
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1049 "(encoder failed to return bytes)",
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1050 arg, msgbuf, bufsize);
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1051 }
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1052 size = PyBytes_GET_SIZE(s);
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1053 ptr = PyBytes_AS_STRING(s);
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1054 if (ptr == NULL)
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1055 ptr = "";
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1056 }
12051
d89556c04ef9 Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
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diff changeset
1057
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1058 /* Write output; output is guaranteed to be 0-terminated */
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1059 if (*format == '#') {
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1060 /* Using buffer length parameter '#':
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1061
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1062 - if *buffer is NULL, a new buffer of the
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1063 needed size is allocated and the data
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1064 copied into it; *buffer is updated to point
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1065 to the new buffer; the caller is
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1066 responsible for PyMem_Free()ing it after
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1067 usage
12051
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1068
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1069 - if *buffer is not NULL, the data is
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1070 copied to *buffer; *buffer_len has to be
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1071 set to the size of the buffer on input;
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1072 buffer overflow is signalled with an error;
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1073 buffer has to provide enough room for the
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1074 encoded string plus the trailing 0-byte
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1075
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1076 - in both cases, *buffer_len is updated to
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1077 the size of the buffer /excluding/ the
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1078 trailing 0-byte
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1079
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1080 */
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1081 FETCH_SIZE;
12051
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1082
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1083 format++;
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1084 if (q == NULL && q2 == NULL) {
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1085 Py_DECREF(s);
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1086 return converterr(
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1087 "(buffer_len is NULL)",
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1088 arg, msgbuf, bufsize);
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1089 }
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1090 if (*buffer == NULL) {
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1091 *buffer = PyMem_NEW(char, size + 1);
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1092 if (*buffer == NULL) {
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1093 Py_DECREF(s);
62151
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 62149
diff changeset
1094 PyErr_NoMemory();
67346
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Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
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1095 RETURN_ERR_OCCURRED;
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1096 }
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1097 if (addcleanup(*buffer, freelist, cleanup_ptr)) {
61467
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1098 Py_DECREF(s);
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1099 return converterr(
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1100 "(cleanup problem)",
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1101 arg, msgbuf, bufsize);
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1102 }
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1103 } else {
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1104 if (size + 1 > BUFFER_LEN) {
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1105 Py_DECREF(s);
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1106 return converterr(
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1107 "(buffer overflow)",
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1108 arg, msgbuf, bufsize);
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1109 }
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1110 }
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1111 memcpy(*buffer, ptr, size+1);
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1112 STORE_SIZE(size);
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1113 } else {
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1114 /* Using a 0-terminated buffer:
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1115
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1116 - the encoded string has to be 0-terminated
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1117 for this variant to work; if it is not, an
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1118 error raised
17996
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17857
diff changeset
1119
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1120 - a new buffer of the needed size is
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1121 allocated and the data copied into it;
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1122 *buffer is updated to point to the new
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1123 buffer; the caller is responsible for
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1124 PyMem_Free()ing it after usage
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1125
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1126 */
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1127 if ((Py_ssize_t)strlen(ptr) != size) {
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1128 Py_DECREF(s);
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1129 return converterr(
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1130 "encoded string without NULL bytes",
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1131 arg, msgbuf, bufsize);
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1132 }
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1133 *buffer = PyMem_NEW(char, size + 1);
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1134 if (*buffer == NULL) {
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1135 Py_DECREF(s);
62151
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1136 PyErr_NoMemory();
67346
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1137 RETURN_ERR_OCCURRED;
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1138 }
75733
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Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1139 if (addcleanup(*buffer, freelist, cleanup_ptr)) {
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diff changeset
1140 Py_DECREF(s);
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diff changeset
1141 return converterr("(cleanup problem)",
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diff changeset
1142 arg, msgbuf, bufsize);
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diff changeset
1143 }
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diff changeset
1144 memcpy(*buffer, ptr, size+1);
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diff changeset
1145 }
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diff changeset
1146 Py_DECREF(s);
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diff changeset
1147 break;
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diff changeset
1148 }
12570
3dbe41380266 Brian Hooper <brian_takashi@hotmail.com>:
Fred Drake <fdrake@acm.org>
parents: 12510
diff changeset
1149
61467
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diff changeset
1150 case 'S': { /* PyBytes object */
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diff changeset
1151 PyObject **p = va_arg(*p_va, PyObject **);
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1152 if (PyBytes_Check(arg))
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diff changeset
1153 *p = arg;
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diff changeset
1154 else
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diff changeset
1155 return converterr("bytes", arg, msgbuf, bufsize);
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diff changeset
1156 break;
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diff changeset
1157 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1158
61467
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diff changeset
1159 case 'Y': { /* PyByteArray object */
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diff changeset
1160 PyObject **p = va_arg(*p_va, PyObject **);
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diff changeset
1161 if (PyByteArray_Check(arg))
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diff changeset
1162 *p = arg;
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1163 else
62198
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diff changeset
1164 return converterr("bytearray", arg, msgbuf, bufsize);
61467
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1165 break;
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1166 }
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1167
61467
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diff changeset
1168 case 'U': { /* PyUnicode object */
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diff changeset
1169 PyObject **p = va_arg(*p_va, PyObject **);
77222
1700fb28d2ab PyArg_Parse*("U"): ensure that the Unicode string is ready
Victor Stinner <victor.stinner@gmail.com>
parents: 76845
diff changeset
1170 if (PyUnicode_Check(arg)) {
1700fb28d2ab PyArg_Parse*("U"): ensure that the Unicode string is ready
Victor Stinner <victor.stinner@gmail.com>
parents: 76845
diff changeset
1171 if (PyUnicode_READY(arg) == -1)
1700fb28d2ab PyArg_Parse*("U"): ensure that the Unicode string is ready
Victor Stinner <victor.stinner@gmail.com>
parents: 76845
diff changeset
1172 RETURN_ERR_OCCURRED;
61467
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diff changeset
1173 *p = arg;
77222
1700fb28d2ab PyArg_Parse*("U"): ensure that the Unicode string is ready
Victor Stinner <victor.stinner@gmail.com>
parents: 76845
diff changeset
1174 }
61467
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1175 else
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diff changeset
1176 return converterr("str", arg, msgbuf, bufsize);
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diff changeset
1177 break;
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1178 }
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1179
61467
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diff changeset
1180 case 'O': { /* object */
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diff changeset
1181 PyTypeObject *type;
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diff changeset
1182 PyObject **p;
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diff changeset
1183 if (*format == '!') {
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diff changeset
1184 type = va_arg(*p_va, PyTypeObject*);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1185 p = va_arg(*p_va, PyObject **);
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diff changeset
1186 format++;
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diff changeset
1187 if (PyType_IsSubtype(arg->ob_type, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1188 *p = arg;
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diff changeset
1189 else
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diff changeset
1190 return converterr(type->tp_name, arg, msgbuf, bufsize);
8358
da4bdceeaad7 Another veeeeeery old patch...
Guido van Rossum <guido@python.org>
parents: 7982
diff changeset
1191
61467
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1192 }
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diff changeset
1193 else if (*format == '&') {
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diff changeset
1194 typedef int (*converter)(PyObject *, void *);
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diff changeset
1195 converter convert = va_arg(*p_va, converter);
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diff changeset
1196 void *addr = va_arg(*p_va, void *);
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diff changeset
1197 int res;
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diff changeset
1198 format++;
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diff changeset
1199 if (! (res = (*convert)(arg, addr)))
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diff changeset
1200 return converterr("(unspecified)",
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diff changeset
1201 arg, msgbuf, bufsize);
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diff changeset
1202 if (res == Py_CLEANUP_SUPPORTED &&
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1203 addcleanup(addr, freelist, convert) == -1)
61467
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diff changeset
1204 return converterr("(cleanup problem)",
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diff changeset
1205 arg, msgbuf, bufsize);
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diff changeset
1206 }
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diff changeset
1207 else {
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diff changeset
1208 p = va_arg(*p_va, PyObject **);
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diff changeset
1209 *p = arg;
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diff changeset
1210 }
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diff changeset
1211 break;
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1212 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1213
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1214
62484
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1215 case 'w': { /* "w*": memory buffer, read-write access */
61467
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diff changeset
1216 void **p = va_arg(*p_va, void **);
48683
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Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
1217
62484
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1218 if (*format != '*')
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1219 return converterr(
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1220 "invalid use of 'w' format character",
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1221 arg, msgbuf, bufsize);
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1222 format++;
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1223
62484
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1224 /* Caller is interested in Py_buffer, and the object
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1225 supports it directly. */
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1226 if (PyObject_GetBuffer(arg, (Py_buffer*)p, PyBUF_WRITABLE) < 0) {
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1227 PyErr_Clear();
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1228 return converterr("read-write buffer", arg, msgbuf, bufsize);
61467
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diff changeset
1229 }
63259
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1230 if (!PyBuffer_IsContiguous((Py_buffer*)p, 'C')) {
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1231 PyBuffer_Release((Py_buffer*)p);
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1232 return converterr("contiguous buffer", arg, msgbuf, bufsize);
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1233 }
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1234 if (addcleanup(p, freelist, cleanup_buffer)) {
61467
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diff changeset
1235 return converterr(
62484
bcc0e825faa0 Issue #8850: Remove "w" and "w#" formats from PyArg_Parse*() functions, use
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62482
diff changeset
1236 "(cleanup problem)",
61467
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diff changeset
1237 arg, msgbuf, bufsize);
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diff changeset
1238 }
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diff changeset
1239 break;
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diff changeset
1240 }
9306
79439e4e9976 Implement new format character 't#'. This is like s#, accepting an
Guido van Rossum <guido@python.org>
parents: 9044
diff changeset
1241
61467
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diff changeset
1242 default:
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diff changeset
1243 return converterr("impossible<bad format char>", arg, msgbuf, bufsize);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1244
61467
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1245 }
43777
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Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1246
61467
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diff changeset
1247 *p_format = format;
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diff changeset
1248 return NULL;
67346
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
1249
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
1250 #undef FETCH_SIZE
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
1251 #undef STORE_SIZE
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
1252 #undef BUFFER_LEN
98c8aa237fc1 Issue #8992: convertsimple() doesn't need to fill msgbuf if an error occurred
Victor Stinner <victor.stinner@haypocalc.com>
parents: 67345
diff changeset
1253 #undef RETURN_ERR_OCCURRED
1913
8623aa3915db * Python/{modsupport.c,getargs.c,Makefile.in},
Guido van Rossum <guido@python.org>
parents:
diff changeset
1254 }
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1255
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1256 static Py_ssize_t
20629
acc7e3b4d042 Style conformance: function name begins a new line *consistently*.
Fred Drake <fdrake@acm.org>
parents: 20371
diff changeset
1257 convertbuffer(PyObject *arg, void **p, char **errmsg)
17996
5a9debb14440 Internal refactoring of convertsimple() and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17857
diff changeset
1258 {
62149
9d49b744078c Simplify getbuffer(): convertbuffer() fails anyway if bf_getbuffer is NULL
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61972
diff changeset
1259 PyBufferProcs *pb = Py_TYPE(arg)->tp_as_buffer;
61467
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diff changeset
1260 Py_ssize_t count;
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diff changeset
1261 Py_buffer view;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42139
diff changeset
1262
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diff changeset
1263 *errmsg = NULL;
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diff changeset
1264 *p = NULL;
63259
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1265 if (pb != NULL && pb->bf_releasebuffer != NULL) {
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1266 *errmsg = "read-only pinned buffer";
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1267 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1268 }
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42139
diff changeset
1269
63259
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1270 if (getbuffer(arg, &view, errmsg) < 0)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1271 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1272 count = view.len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1273 *p = view.buf;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1274 PyBuffer_Release(&view);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1275 return count;
17996
5a9debb14440 Internal refactoring of convertsimple() and friends.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17857
diff changeset
1276 }
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1277
48683
cd3b0b7fd8e1 Merged revisions 65654 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
1278 static int
48848
5c75a33ef5b2 Merged revisions 66006 via svnmerge from
Neal Norwitz <nnorwitz@gmail.com>
parents: 48683
diff changeset
1279 getbuffer(PyObject *arg, Py_buffer *view, char **errmsg)
48683
cd3b0b7fd8e1 Merged revisions 65654 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
1280 {
63259
ac7eb6eaef68 Issue #8991: convertbuffer() rejects discontigious buffers
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62484
diff changeset
1281 if (PyObject_GetBuffer(arg, view, PyBUF_SIMPLE) != 0) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1282 *errmsg = "bytes or buffer";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1283 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1284 }
62149
9d49b744078c Simplify getbuffer(): convertbuffer() fails anyway if bf_getbuffer is NULL
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61972
diff changeset
1285 if (!PyBuffer_IsContiguous(view, 'C')) {
62482
bb6222a4ed24 getbuffer(): release the buffer on error (if the buffer is not contiguous)
Victor Stinner <victor.stinner@haypocalc.com>
parents: 62478
diff changeset
1286 PyBuffer_Release(view);
62149
9d49b744078c Simplify getbuffer(): convertbuffer() fails anyway if bf_getbuffer is NULL
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61972
diff changeset
1287 *errmsg = "contiguous buffer";
9d49b744078c Simplify getbuffer(): convertbuffer() fails anyway if bf_getbuffer is NULL
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61972
diff changeset
1288 return -1;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1289 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1290 return 0;
48683
cd3b0b7fd8e1 Merged revisions 65654 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
1291 }
cd3b0b7fd8e1 Merged revisions 65654 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 48660
diff changeset
1292
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1293 /* Support for keyword arguments donated by
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1294 Geoff Philbrick <philbric@delphi.hks.com> */
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1295
20711
2890769b1e69 PyArg_ParseTupleAndKeywords: return false on internal error, not -1 (I
Tim Peters <tim.peters@gmail.com>
parents: 20710
diff changeset
1296 /* Return false (0) for error, else true. */
20629
acc7e3b4d042 Style conformance: function name begins a new line *consistently*.
Fred Drake <fdrake@acm.org>
parents: 20371
diff changeset
1297 int
acc7e3b4d042 Style conformance: function name begins a new line *consistently*.
Fred Drake <fdrake@acm.org>
parents: 20371
diff changeset
1298 PyArg_ParseTupleAndKeywords(PyObject *args,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1299 PyObject *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1300 const char *format,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1301 char **kwlist, ...)
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1302 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1303 int retval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1304 va_list va;
20710
a44cc0c21cfe PyArg_ParseTupleAndKeywords: do basic sanity checks on the arguments,
Tim Peters <tim.peters@gmail.com>
parents: 20709
diff changeset
1305
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1306 if ((args == NULL || !PyTuple_Check(args)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1307 (keywords != NULL && !PyDict_Check(keywords)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1308 format == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1309 kwlist == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1310 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1311 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1312 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1313 }
20710
a44cc0c21cfe PyArg_ParseTupleAndKeywords: do basic sanity checks on the arguments,
Tim Peters <tim.peters@gmail.com>
parents: 20709
diff changeset
1314
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1315 va_start(va, kwlist);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1316 retval = vgetargskeywords(args, keywords, format, kwlist, &va, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1317 va_end(va);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1318 return retval;
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1319 }
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1320
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1321 int
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1322 _PyArg_ParseTupleAndKeywords_SizeT(PyObject *args,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1323 PyObject *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1324 const char *format,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1325 char **kwlist, ...)
36501
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
1326 {
61467
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diff changeset
1327 int retval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1328 va_list va;
36501
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
1329
61467
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diff changeset
1330 if ((args == NULL || !PyTuple_Check(args)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1331 (keywords != NULL && !PyDict_Check(keywords)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1332 format == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1333 kwlist == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1334 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1335 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1336 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1337 }
36501
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diff changeset
1338
61467
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diff changeset
1339 va_start(va, kwlist);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1340 retval = vgetargskeywords(args, keywords, format,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1341 kwlist, &va, FLAG_SIZE_T);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1342 va_end(va);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1343 return retval;
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1344 }
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1345
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1346
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1347 int
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1348 PyArg_VaParseTupleAndKeywords(PyObject *args,
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35552
diff changeset
1349 PyObject *keywords,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1350 const char *format,
36675
dba6494735d0 Revert backwards-incompatible const changes.
Martin v. Löwis <martin@v.loewis.de>
parents: 36625
diff changeset
1351 char **kwlist, va_list va)
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1352 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1353 int retval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1354 va_list lva;
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1355
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1356 if ((args == NULL || !PyTuple_Check(args)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1357 (keywords != NULL && !PyDict_Check(keywords)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1358 format == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1359 kwlist == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1360 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1361 PyErr_BadInternalCall();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1362 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1363 }
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1364
63924
9108e7dcd7d8 Issue #2443: Added a new macro, Py_VA_COPY, which is equivalent to C99
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63259
diff changeset
1365 Py_VA_COPY(lva, va);
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1366
61467
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diff changeset
1367 retval = vgetargskeywords(args, keywords, format, kwlist, &lva, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1368 return retval;
36501
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diff changeset
1369 }
7fdc639bc5b4 Merge ssize_t branch.
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diff changeset
1370
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
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diff changeset
1371 int
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1372 _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *args,
61467
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diff changeset
1373 PyObject *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1374 const char *format,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1375 char **kwlist, va_list va)
36501
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diff changeset
1376 {
61467
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diff changeset
1377 int retval;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1378 va_list lva;
36501
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diff changeset
1379
61467
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diff changeset
1380 if ((args == NULL || !PyTuple_Check(args)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1381 (keywords != NULL && !PyDict_Check(keywords)) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1382 format == NULL ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1383 kwlist == NULL)
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diff changeset
1384 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1385 PyErr_BadInternalCall();
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parents: 57549
diff changeset
1386 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1387 }
36501
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Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1388
63924
9108e7dcd7d8 Issue #2443: Added a new macro, Py_VA_COPY, which is equivalent to C99
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents: 63259
diff changeset
1389 Py_VA_COPY(lva, va);
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1390
61467
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diff changeset
1391 retval = vgetargskeywords(args, keywords, format,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1392 kwlist, &lva, FLAG_SIZE_T);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1393 return retval;
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1394 }
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1395
60931
79128efe8a99 prevent the dict constructor from accepting non-string keyword args #8419
Benjamin Peterson <benjamin@python.org>
parents: 60399
diff changeset
1396 int
79128efe8a99 prevent the dict constructor from accepting non-string keyword args #8419
Benjamin Peterson <benjamin@python.org>
parents: 60399
diff changeset
1397 PyArg_ValidateKeywordArguments(PyObject *kwargs)
79128efe8a99 prevent the dict constructor from accepting non-string keyword args #8419
Benjamin Peterson <benjamin@python.org>
parents: 60399
diff changeset
1398 {
66220
379029714e24 handle dict subclasses gracefully in PyArg_ValidateKeywordArguments
Benjamin Peterson <benjamin@python.org>
parents: 63924
diff changeset
1399 if (!PyDict_Check(kwargs)) {
61466
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1400 PyErr_BadInternalCall();
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1401 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1402 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1403 if (!_PyDict_HasOnlyStringKeys(kwargs)) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1404 PyErr_SetString(PyExc_TypeError,
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1405 "keyword arguments must be strings");
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Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1406 return 0;
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parents: 60931
diff changeset
1407 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 60931
diff changeset
1408 return 1;
60931
79128efe8a99 prevent the dict constructor from accepting non-string keyword args #8419
Benjamin Peterson <benjamin@python.org>
parents: 60399
diff changeset
1409 }
79128efe8a99 prevent the dict constructor from accepting non-string keyword args #8419
Benjamin Peterson <benjamin@python.org>
parents: 60399
diff changeset
1410
45548
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Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1411 #define IS_END_OF_FORMAT(c) (c == '\0' || c == ';' || c == ':')
32606
cc1f74d19fcb Add PyArg_VaParseTupleAndKeywords(). Document this function and
Brett Cannon <bcannon@gmail.com>
parents: 28952
diff changeset
1412
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1413 static int
35999
9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35552
diff changeset
1414 vgetargskeywords(PyObject *args, PyObject *keywords, const char *format,
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1415 char **kwlist, va_list *p_va, int flags)
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1416 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1417 char msgbuf[512];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1418 int levels[32];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1419 const char *fname, *msg, *custom_msg, *keyword;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1420 int min = INT_MAX;
75842
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1421 int max = INT_MAX;
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1422 int i, len, nargs, nkeywords;
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1423 PyObject *current_arg;
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1424 freelist_t freelist = {0, NULL};
20708
e912b683ed3e vgetargskeywords(): remove test that can't succeed. Not a bugfix, just
Tim Peters <tim.peters@gmail.com>
parents: 20632
diff changeset
1425
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1426 assert(args != NULL && PyTuple_Check(args));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1427 assert(keywords == NULL || PyDict_Check(keywords));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1428 assert(format != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1429 assert(kwlist != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1430 assert(p_va != NULL);
20710
a44cc0c21cfe PyArg_ParseTupleAndKeywords: do basic sanity checks on the arguments,
Tim Peters <tim.peters@gmail.com>
parents: 20709
diff changeset
1431
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1432 /* grab the function name or custom error msg first (mutually exclusive) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1433 fname = strchr(format, ':');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1434 if (fname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1435 fname++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1436 custom_msg = NULL;
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1437 }
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1438 else {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1439 custom_msg = strchr(format,';');
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1440 if (custom_msg)
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1441 custom_msg++;
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parents: 57549
diff changeset
1442 }
45548
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Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1443
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1444 /* scan kwlist and get greatest possible nbr of args */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1445 for (len=0; kwlist[len]; len++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1446 continue;
20711
2890769b1e69 PyArg_ParseTupleAndKeywords: return false on internal error, not -1 (I
Tim Peters <tim.peters@gmail.com>
parents: 20710
diff changeset
1447
75747
212f20284724 use memory macros
Benjamin Peterson <benjamin@python.org>
parents: 75746
diff changeset
1448 freelist.entries = PyMem_NEW(freelistentry_t, len);
75746
2b8994c2851a check result of PyMem_New
Benjamin Peterson <benjamin@python.org>
parents: 75733
diff changeset
1449 if (freelist.entries == NULL) {
2b8994c2851a check result of PyMem_New
Benjamin Peterson <benjamin@python.org>
parents: 75733
diff changeset
1450 PyErr_NoMemory();
2b8994c2851a check result of PyMem_New
Benjamin Peterson <benjamin@python.org>
parents: 75733
diff changeset
1451 return 0;
2b8994c2851a check result of PyMem_New
Benjamin Peterson <benjamin@python.org>
parents: 75733
diff changeset
1452 }
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1453
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1454 nargs = PyTuple_GET_SIZE(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1455 nkeywords = (keywords == NULL) ? 0 : PyDict_Size(keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1456 if (nargs + nkeywords > len) {
68809
4c2135930882 Issue #10833: Use PyErr_Format() and PyUnicode_FromFormat() instead of
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68796
diff changeset
1457 PyErr_Format(PyExc_TypeError,
4c2135930882 Issue #10833: Use PyErr_Format() and PyUnicode_FromFormat() instead of
Victor Stinner <victor.stinner@haypocalc.com>
parents: 68796
diff changeset
1458 "%s%s takes at most %d argument%s (%d given)",
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1459 (fname == NULL) ? "function" : fname,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1460 (fname == NULL) ? "" : "()",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1461 len,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1462 (len == 1) ? "" : "s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1463 nargs + nkeywords);
75750
d08f0f3ab23e plug memory leak (closes #14325)
Benjamin Peterson <benjamin@python.org>
parents: 75748
diff changeset
1464 return cleanreturn(0, &freelist);
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1465 }
20723
6ac45244c41e vgetargskeywords()
Tim Peters <tim.peters@gmail.com>
parents: 20722
diff changeset
1466
61467
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Antoine Pitrou <solipsis@pitrou.net>
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diff changeset
1467 /* convert tuple args and keyword args in same loop, using kwlist to drive process */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1468 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1469 keyword = kwlist[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1470 if (*format == '|') {
75842
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1471 if (min != INT_MAX) {
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1472 PyErr_SetString(PyExc_RuntimeError,
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1473 "Invalid format string (| specified twice)");
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1474 return cleanreturn(0, &freelist);
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1475 }
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1476
61467
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1477 min = i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1478 format++;
75842
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1479
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1480 if (max != INT_MAX) {
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1481 PyErr_SetString(PyExc_RuntimeError,
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1482 "Invalid format string ($ before |)");
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1483 return cleanreturn(0, &freelist);
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1484 }
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1485 }
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1486 if (*format == '$') {
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1487 if (max != INT_MAX) {
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1488 PyErr_SetString(PyExc_RuntimeError,
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1489 "Invalid format string ($ specified twice)");
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1490 return cleanreturn(0, &freelist);
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1491 }
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1492
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1493 max = i;
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1494 format++;
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1495
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1496 if (max < nargs) {
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1497 PyErr_Format(PyExc_TypeError,
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1498 "Function takes %s %d positional arguments"
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1499 " (%d given)",
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1500 (min != INT_MAX) ? "at most" : "exactly",
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1501 max, nargs);
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1502 return cleanreturn(0, &freelist);
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1503 }
61467
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diff changeset
1504 }
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diff changeset
1505 if (IS_END_OF_FORMAT(*format)) {
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diff changeset
1506 PyErr_Format(PyExc_RuntimeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1507 "More keyword list entries (%d) than "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1508 "format specifiers (%d)", len, i);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1509 return cleanreturn(0, &freelist);
61467
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diff changeset
1510 }
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diff changeset
1511 current_arg = NULL;
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parents: 57549
diff changeset
1512 if (nkeywords) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1513 current_arg = PyDict_GetItemString(keywords, keyword);
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parents: 57549
diff changeset
1514 }
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diff changeset
1515 if (current_arg) {
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1516 --nkeywords;
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parents: 57549
diff changeset
1517 if (i < nargs) {
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parents: 57549
diff changeset
1518 /* arg present in tuple and in dict */
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parents: 57549
diff changeset
1519 PyErr_Format(PyExc_TypeError,
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diff changeset
1520 "Argument given by name ('%s') "
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diff changeset
1521 "and position (%d)",
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diff changeset
1522 keyword, i+1);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1523 return cleanreturn(0, &freelist);
61467
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diff changeset
1524 }
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diff changeset
1525 }
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diff changeset
1526 else if (nkeywords && PyErr_Occurred())
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1527 return cleanreturn(0, &freelist);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1528 else if (i < nargs)
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diff changeset
1529 current_arg = PyTuple_GET_ITEM(args, i);
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parents: 57549
diff changeset
1530
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diff changeset
1531 if (current_arg) {
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parents: 57549
diff changeset
1532 msg = convertitem(current_arg, &format, p_va, flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1533 levels, msgbuf, sizeof(msgbuf), &freelist);
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parents: 57549
diff changeset
1534 if (msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1535 seterror(i+1, msg, levels, fname, custom_msg);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1536 return cleanreturn(0, &freelist);
61467
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diff changeset
1537 }
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diff changeset
1538 continue;
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diff changeset
1539 }
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Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1540
61467
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diff changeset
1541 if (i < min) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1542 PyErr_Format(PyExc_TypeError, "Required argument "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1543 "'%s' (pos %d) not found",
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Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1544 keyword, i+1);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1545 return cleanreturn(0, &freelist);
61467
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diff changeset
1546 }
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parents: 57549
diff changeset
1547 /* current code reports success when all required args
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parents: 57549
diff changeset
1548 * fulfilled and no keyword args left, with no further
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1549 * validation. XXX Maybe skip this in debug build ?
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parents: 57549
diff changeset
1550 */
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diff changeset
1551 if (!nkeywords)
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1552 return cleanreturn(1, &freelist);
45548
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Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1553
61467
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diff changeset
1554 /* We are into optional args, skip thru to any remaining
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1555 * keyword args */
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diff changeset
1556 msg = skipitem(&format, p_va, flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1557 if (msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1558 PyErr_Format(PyExc_RuntimeError, "%s: '%s'", msg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1559 format);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1560 return cleanreturn(0, &freelist);
61467
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diff changeset
1561 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1562 }
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1563
75842
052779d34945 Issue #14328: Add keyword-only parameters to PyArg_ParseTupleAndKeywords.
Larry Hastings <larry@hastings.org>
parents: 75750
diff changeset
1564 if (!IS_END_OF_FORMAT(*format) && (*format != '|') && (*format != '$')) {
61467
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parents: 57549
diff changeset
1565 PyErr_Format(PyExc_RuntimeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1566 "more argument specifiers than keyword list entries "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1567 "(remaining format:'%s')", format);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1568 return cleanreturn(0, &freelist);
61467
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diff changeset
1569 }
20715
5e6f8187bd48 vgetargskeywords:
Tim Peters <tim.peters@gmail.com>
parents: 20714
diff changeset
1570
61467
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diff changeset
1571 /* make sure there are no extraneous keyword arguments */
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parents: 57549
diff changeset
1572 if (nkeywords > 0) {
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diff changeset
1573 PyObject *key, *value;
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parents: 57549
diff changeset
1574 Py_ssize_t pos = 0;
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diff changeset
1575 while (PyDict_Next(keywords, &pos, &key, &value)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1576 int match = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1577 char *ks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1578 if (!PyUnicode_Check(key)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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parents: 57549
diff changeset
1579 PyErr_SetString(PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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diff changeset
1580 "keywords must be strings");
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1581 return cleanreturn(0, &freelist);
61467
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diff changeset
1582 }
61717
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1583 /* check that _PyUnicode_AsString() result is not NULL */
61467
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parents: 57549
diff changeset
1584 ks = _PyUnicode_AsString(key);
61717
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1585 if (ks != NULL) {
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1586 for (i = 0; i < len; i++) {
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1587 if (!strcmp(ks, kwlist[i])) {
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1588 match = 1;
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1589 break;
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1590 }
61467
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diff changeset
1591 }
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diff changeset
1592 }
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diff changeset
1593 if (!match) {
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diff changeset
1594 PyErr_Format(PyExc_TypeError,
61717
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1595 "'%U' is an invalid keyword "
61467
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diff changeset
1596 "argument for this function",
61717
1504cc5a15a1 Issue #6697: Fix a crash if a keyword contains a surrogate
Victor Stinner <victor.stinner@haypocalc.com>
parents: 61466
diff changeset
1597 key);
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1598 return cleanreturn(0, &freelist);
61467
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diff changeset
1599 }
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diff changeset
1600 }
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1601 }
20723
6ac45244c41e vgetargskeywords()
Tim Peters <tim.peters@gmail.com>
parents: 20722
diff changeset
1602
75733
9fc456ac20cf Issue #14325: Stop using python lists, capsules, and the garbage collector to deal with PyArg_Parse* cleanup.
Jean-Paul Calderone <exarkun@twistedmatrix.com>
parents: 72915
diff changeset
1603 return cleanreturn(1, &freelist);
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1604 }
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1605
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1606
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1607 static char *
36501
7fdc639bc5b4 Merge ssize_t branch.
Martin v. Löwis <martin@v.loewis.de>
parents: 36345
diff changeset
1608 skipitem(const char **p_format, va_list *p_va, int flags)
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1609 {
61467
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1610 const char *format = *p_format;
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diff changeset
1611 char c = *format++;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1612
61467
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diff changeset
1613 switch (c) {
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1614
76845
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1615 /*
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1616 * codes that take a single data pointer as an argument
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1617 * (the type of the pointer is irrelevant)
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1618 */
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1619
61467
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diff changeset
1620 case 'b': /* byte -- very short int */
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diff changeset
1621 case 'B': /* byte as bitfield */
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diff changeset
1622 case 'h': /* short int */
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diff changeset
1623 case 'H': /* short int as bitfield */
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diff changeset
1624 case 'i': /* int */
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diff changeset
1625 case 'I': /* int sized bitfield */
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diff changeset
1626 case 'l': /* long int */
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diff changeset
1627 case 'k': /* long int sized bitfield */
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1628 #ifdef HAVE_LONG_LONG
61467
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diff changeset
1629 case 'L': /* PY_LONG_LONG */
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diff changeset
1630 case 'K': /* PY_LONG_LONG sized bitfield */
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1631 #endif
76845
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1632 case 'n': /* Py_ssize_t */
61467
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diff changeset
1633 case 'f': /* float */
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diff changeset
1634 case 'd': /* double */
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diff changeset
1635 case 'D': /* complex double */
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diff changeset
1636 case 'c': /* char */
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parents: 57549
diff changeset
1637 case 'C': /* unicode char */
76816
e4617650f006 Issue #14705: Added support for the new 'p' format unit to skipitem().
Larry Hastings <larry@hastings.org>
parents: 76776
diff changeset
1638 case 'p': /* boolean predicate */
76845
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1639 case 'S': /* string object */
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1640 case 'Y': /* string object */
8ab37fa24e58 Issue #14746: Remove redundant paragraphs from skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 76835
diff changeset
1641 case 'U': /* unicode string object */
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1642 {
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1643 (void) va_arg(*p_va, void *);
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diff changeset
1644 break;
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1645 }
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1646
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1647 /* string codes */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1648
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1649 case 'e': /* string with encoding */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1650 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1651 (void) va_arg(*p_va, const char *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1652 if (!(*format == 's' || *format == 't'))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1653 /* after 'e', only 's' and 't' is allowed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1654 goto err;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1655 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1656 /* explicit fallthrough to string cases */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1657 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1658
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1659 case 's': /* string */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1660 case 'z': /* string or None */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1661 case 'y': /* bytes */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1662 case 'u': /* unicode string */
76834
91612618985b Issue #14749: Add support for 'Z' to skipitem() in Python/getargs.c.
Larry Hastings <larry@hastings.org>
parents: 68795
diff changeset
1663 case 'Z': /* unicode string or None */
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1664 case 'w': /* buffer, read-write */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1665 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1666 (void) va_arg(*p_va, char **);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1667 if (*format == '#') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1668 if (flags & FLAG_SIZE_T)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1669 (void) va_arg(*p_va, Py_ssize_t *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1670 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1671 (void) va_arg(*p_va, int *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1672 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1673 } else if ((c == 's' || c == 'z' || c == 'y') && *format == '*') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1674 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1675 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1676 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1677 }
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1678
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1679 case 'O': /* object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1680 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1681 if (*format == '!') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1682 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1683 (void) va_arg(*p_va, PyTypeObject*);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1684 (void) va_arg(*p_va, PyObject **);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1685 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1686 else if (*format == '&') {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1687 typedef int (*converter)(PyObject *, void *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1688 (void) va_arg(*p_va, converter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1689 (void) va_arg(*p_va, void *);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1690 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1691 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1692 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1693 (void) va_arg(*p_va, PyObject **);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1694 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1695 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1696 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1697
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1698 case '(': /* bypass tuple, not handled at all previously */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1699 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1700 char *msg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1701 for (;;) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1702 if (*format==')')
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1703 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1704 if (IS_END_OF_FORMAT(*format))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1705 return "Unmatched left paren in format "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1706 "string";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1707 msg = skipitem(&format, p_va, flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1708 if (msg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1709 return msg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1710 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1711 format++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1712 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1713 }
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1714
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1715 case ')':
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1716 return "Unmatched right paren in format string";
45548
8c3c5b4eef55 Merged revisions 61038,61042-61045,61047,61050,61053,61055-61056,61061-61062,61066,61068,61070,61081-61095 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 45534
diff changeset
1717
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1718 default:
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1719 err:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1720 return "impossible<bad format char>";
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43651
diff changeset
1721
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1722 }
35552
9b7d117eb4bc Complete format code support in getargs.c::skipitem(), which is called when
Georg Brandl <georg@python.org>
parents: 35449
diff changeset
1723
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1724 *p_format = format;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1725 return NULL;
4026
6bbc13b7dca8 Support for keyword arguments (PyArg_ParseTupleAndKeywords) donated by
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1726 }
20632
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1727
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1728
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1729 int
36750
92ba72484ff3 Use Py_ssize_t for PyArg_UnpackTuple arguments.
Martin v. Löwis <martin@v.loewis.de>
parents: 36675
diff changeset
1730 PyArg_UnpackTuple(PyObject *args, const char *name, Py_ssize_t min, Py_ssize_t max, ...)
20632
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1731 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1732 Py_ssize_t i, l;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1733 PyObject **o;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1734 va_list vargs;
20632
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1735
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1736 #ifdef HAVE_STDARG_PROTOTYPES
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1737 va_start(vargs, max);
20632
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1738 #else
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1739 va_start(vargs);
20632
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1740 #endif
6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
parents: 20629
diff changeset
1741
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1742 assert(min >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1743 assert(min <= max);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1744 if (!PyTuple_Check(args)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1745 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1746 "PyArg_UnpackTuple() argument list is not a tuple");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1747 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1748 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1749 l = PyTuple_GET_SIZE(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1750 if (l < min) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1751 if (name != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1752 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1753 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1754 "%s expected %s%zd arguments, got %zd",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1755 name, (min == max ? "" : "at least "), min, l);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1756 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1757 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1758 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1759 "unpacked tuple should have %s%zd elements,"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1760 " but has %zd",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1761 (min == max ? "" : "at least "), min, l);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1762 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1763 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1764 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1765 if (l > max) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1766 if (name != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1767 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1768 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1769 "%s expected %s%zd arguments, got %zd",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1770 name, (min == max ? "" : "at most "), max, l);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1771 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1772 PyErr_Format(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1773 PyExc_TypeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1774 "unpacked tuple should have %s%zd elements,"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1775 " but has %zd",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1776 (min == max ? "" : "at most "), max, l);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1777 va_end(vargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57549
diff changeset
1778 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
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1779 }
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1780 for (i = 0; i < l; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1781 o = va_arg(vargs, PyObject **);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1782 *o = PyTuple_GET_ITEM(args, i);
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1783 }
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1784 va_end(vargs);
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1785 return 1;
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6c84d55abb58 PyArg_UnpackTuple(): New argument unpacking function suggested by Jim
Fred Drake <fdrake@acm.org>
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1786 }
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Georg Brandl <georg@python.org>
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1787
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1788
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1789 /* For type constructors that don't take keyword args
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1790 *
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Guido van Rossum <guido@python.org>
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1791 * Sets a TypeError and returns 0 if the kwds dict is
40450
cc992d75d5b3 Four months of trunk changes (including a few releases...)
Thomas Wouters <thomas@python.org>
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1792 * not empty, returns 1 otherwise
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Georg Brandl <georg@python.org>
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1793 */
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Georg Brandl <georg@python.org>
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1794 int
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9541369b0dca Add const to several API functions that take char *.
Jeremy Hylton <jeremy@alum.mit.edu>
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diff changeset
1795 _PyArg_NoKeywords(const char *funcname, PyObject *kw)
35449
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Georg Brandl <georg@python.org>
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1796 {
61467
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1797 if (kw == NULL)
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1798 return 1;
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1799 if (!PyDict_CheckExact(kw)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1800 PyErr_BadInternalCall();
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1801 return 0;
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1802 }
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1803 if (PyDict_Size(kw) == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1804 return 1;
43777
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Guido van Rossum <guido@python.org>
parents: 43651
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1805
61467
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1806 PyErr_Format(PyExc_TypeError, "%s does not take keyword arguments",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1807 funcname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
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1808 return 0;
35449
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Georg Brandl <georg@python.org>
parents: 34846
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1809 }
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f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair
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1810 #ifdef __cplusplus
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1811 };
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1812 #endif