Mercurial > cpython-lru_cache-weakref

annotate Python/modsupport.c @ 957:5c6cdb58a801 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
check for embedded \0 in strings for z and s formats
author Guido van Rossum <guido@python.org>
date Fri, 14 Aug 1992 15:12:03 +0000
parents 39134c99c923
children 09b48604855f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /***********************************************************
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2 Copyright 1991, 1992 by Stichting Mathematisch Centrum, Amsterdam, The
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3 Netherlands.
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4
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5 All Rights Reserved
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6
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7 Permission to use, copy, modify, and distribute this software and its
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8 documentation for any purpose and without fee is hereby granted,
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9 provided that the above copyright notice appear in all copies and that
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10 both that copyright notice and this permission notice appear in
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11 supporting documentation, and that the names of Stichting Mathematisch
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12 Centrum or CWI not be used in advertising or publicity pertaining to
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13 distribution of the software without specific, written prior permission.
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14
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15 STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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16 THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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17 FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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18 FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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19 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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20 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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21 OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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22
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23 ******************************************************************/
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24
6
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25 /* Module support implementation */
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26
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27 #include "allobjects.h"
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28 #include "modsupport.h"
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29 #include "import.h"
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30
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31 #ifdef HAVE_PROTOTYPES
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32 #define USE_STDARG
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33 #endif
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34
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35 #ifdef USE_STDARG
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36 #include <stdarg.h>
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37 #else
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38 #include <varargs.h>
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39 #endif
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40
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41
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42 object *
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43 initmodule(name, methods)
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44 char *name;
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45 struct methodlist *methods;
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46 {
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47 object *m, *d, *v;
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48 struct methodlist *ml;
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49 char namebuf[256];
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50 if ((m = add_module(name)) == NULL) {
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51 fprintf(stderr, "initializing module: %s\n", name);
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52 fatal("can't create a module");
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53 }
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54 d = getmoduledict(m);
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55 for (ml = methods; ml->ml_name != NULL; ml++) {
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56 sprintf(namebuf, "%s.%s", name, ml->ml_name);
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57 v = newmethodobject(strdup(namebuf), ml->ml_meth,
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58 (object *)NULL, ml->ml_varargs);
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59 /* XXX The strdup'ed memory is never freed */
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60 if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) {
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61 fprintf(stderr, "initializing module: %s\n", name);
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62 fatal("can't initialize module");
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63 }
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64 DECREF(v);
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65 }
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66 return m;
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67 }
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68
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69
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70 /* Helper for getargs() and mkvalue() to scan the length of a format */
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71
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72 static int countformat PROTO((char *format, int endchar));
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73 static int countformat(format, endchar)
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74 char *format;
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75 int endchar;
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76 {
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77 int count = 0;
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78 int level = 0;
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79 while (level > 0 || *format != endchar) {
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80 if (*format == '\0') {
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81 /* Premature end */
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82 err_setstr(SystemError, "unmatched paren in format");
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83 return -1;
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84 }
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85 else if (*format == '(') {
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86 if (level == 0)
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87 count++;
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88 level++;
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89 }
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90 else if (*format == ')')
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91 level--;
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92 else if (level == 0 && *format != '#')
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93 count++;
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94 format++;
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95 }
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96 return count;
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97 }
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98
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99
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100 /* Generic argument list parser */
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101
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102 static int do_arg PROTO((object *arg, char** p_format, va_list *p_va));
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103 static int
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104 do_arg(arg, p_format, p_va)
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105 object *arg;
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106 char** p_format;
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107 va_list *p_va;
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108 {
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109 char *format = *p_format;
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110 va_list va = *p_va;
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111
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112 if (arg == NULL)
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113 return 0; /* Incomplete tuple or list */
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114
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115 switch (*format++) {
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116
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117 case '('/*')'*/: /* tuple, distributed over C parameters */ {
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118 int i, n;
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119 if (!is_tupleobject(arg))
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120 return 0;
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121 n = gettuplesize(arg);
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122 for (i = 0; i < n; i++) {
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123 if (!do_arg(gettupleitem(arg, i), &format, &va))
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124 return 0;
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125 }
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126 if (*format++ != /*'('*/')')
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127 return 0;
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128 break;
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129 }
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130
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131 case 'b': /* byte -- very short int */ {
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132 char *p = va_arg(va, char *);
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133 if (is_intobject(arg))
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134 *p = getintvalue(arg);
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135 else
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136 return 0;
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137 break;
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138 }
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139
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140 case 'h': /* short int */ {
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141 short *p = va_arg(va, short *);
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142 if (is_intobject(arg))
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143 *p = getintvalue(arg);
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144 else
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145 return 0;
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146 break;
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147 }
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148
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149 case 'i': /* int */ {
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150 int *p = va_arg(va, int *);
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151 if (is_intobject(arg))
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152 *p = getintvalue(arg);
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Guido van Rossum <guido@python.org>
parents: 488
diff changeset
153 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
154 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
155 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
156 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
157
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
158 case 'l': /* long int */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
159 long *p = va_arg(va, long *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
160 if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
161 *p = getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
162 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
163 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
164 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
165 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
166
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
167 case 'f': /* float */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
168 float *p = va_arg(va, float *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
169 if (is_floatobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
170 *p = getfloatvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
171 else if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
172 *p = (float)getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
173 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
174 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
175 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
176 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
177
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
178 case 'd': /* double */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
179 double *p = va_arg(va, double *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
180 if (is_floatobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
181 *p = getfloatvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
182 else if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
183 *p = (double)getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
184 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
185 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
186 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
187 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
188
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
189 case 'c': /* char */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
190 char *p = va_arg(va, char *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
191 if (is_stringobject(arg) && getstringsize(arg) == 1)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
192 *p = getstringvalue(arg)[0];
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
193 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
194 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
195 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
196 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
197
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
198 case 's': /* string */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
199 char **p = va_arg(va, char **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
200 if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
201 *p = getstringvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
202 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
203 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
204 if (*format == '#') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
205 int *q = va_arg(va, int *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
206 *q = getstringsize(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
207 format++;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
208 }
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
209 else if (strlen(*p) != getstringsize(arg)) {
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
210 err_setstr(ValueError, "embedded '\\0' in string arg");
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
211 return 0;
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
212 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
213 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
214 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
215
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
216 case 'z': /* string, may be NULL (None) */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
217 char **p = va_arg(va, char **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
218 if (arg == None)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
219 *p = 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
220 else if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
221 *p = getstringvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
222 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
223 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
224 if (*format == '#') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
225 int *q = va_arg(va, int *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
226 if (arg == None)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
227 *q = 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
228 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
229 *q = getstringsize(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
230 format++;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
231 }
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
232 else if (*p != NULL && strlen(*p) != getstringsize(arg)) {
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
233 err_setstr(ValueError, "embedded '\\0' in string arg");
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
234 return 0;
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
235 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
236 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
237 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
238
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
239 case 'S': /* string object */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
240 object **p = va_arg(va, object **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
241 if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
242 *p = arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
243 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
244 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
245 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
246 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
247
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
248 case 'O': /* object */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
249 object **p = va_arg(va, object **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
250 *p = arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
251 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
252 }
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
253
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
254 default:
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
255 fprintf(stderr, "bad do_arg format: x%x '%c'\n",
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
256 format[-1], format[-1]);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
257 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
258
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
259 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
260
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
261 *p_va = va;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
262 *p_format = format;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
263
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
264 return 1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
265 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
266
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
267 #ifdef USE_STDARG
733
f179d8d5ee8c Shut up lint
Guido van Rossum <guido@python.org>
parents: 637
diff changeset
268 /* VARARGS2 */
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
269 int getargs(object *arg, char *format, ...)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
270 #else
733
f179d8d5ee8c Shut up lint
Guido van Rossum <guido@python.org>
parents: 637
diff changeset
271 /* VARARGS */
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
272 int getargs(va_alist) va_dcl
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
273 #endif
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
274 {
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
275 char *f;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
276 int ok;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
277 va_list va;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
278 #ifdef USE_STDARG
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
279
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
280 va_start(va, format);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
281 #else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
282 object *arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
283 char *format;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
284
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
285 va_start(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
286 arg = va_arg(va, object *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
287 format = va_arg(va, char *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
288 #endif
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
289 if (*format == '\0') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
290 va_end(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
291 if (arg != NULL) {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
292 err_setstr(TypeError, "no arguments needed");
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
293 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
294 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
295 return 1;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
296 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
297
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
298 f = format;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
299 ok = do_arg(arg, &f, &va) && *f == '\0';
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
300 va_end(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
301 if (!ok) {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
302 char buf[256];
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
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parents: 860
diff changeset
303 if (!err_occurred()) {
5c6cdb58a801 check for embedded \0 in strings for z and s formats
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304 sprintf(buf, "bad argument list (format '%s')",
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
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diff changeset
305 format);
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
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diff changeset
306 err_setstr(TypeError, buf);
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
307 }
6
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parents:
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308 }
637
3cb686c48cdd New getargs() function: a single varargs function,
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parents: 488
diff changeset
309 return ok;
6
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parents:
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310 }
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311
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312 int
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313 getlongtuplearg(args, a, n)
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314 object *args;
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315 long *a; /* [n] */
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316 int n;
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parents:
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317 {
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318 int i;
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319 if (!is_tupleobject(args) || gettuplesize(args) != n) {
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320 return err_badarg();
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parents:
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321 }
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parents:
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322 for (i = 0; i < n; i++) {
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parents:
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323 object *v = gettupleitem(args, i);
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parents:
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324 if (!is_intobject(v)) {
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325 return err_badarg();
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parents:
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326 }
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327 a[i] = getintvalue(v);
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parents:
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328 }
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329 return 1;
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330 }
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331
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332 int
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333 getshorttuplearg(args, a, n)
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334 object *args;
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335 short *a; /* [n] */
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336 int n;
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parents:
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337 {
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338 int i;
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339 if (!is_tupleobject(args) || gettuplesize(args) != n) {
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340 return err_badarg();
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parents:
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341 }
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342 for (i = 0; i < n; i++) {
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parents:
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343 object *v = gettupleitem(args, i);
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parents:
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344 if (!is_intobject(v)) {
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345 return err_badarg();
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parents:
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346 }
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347 a[i] = getintvalue(v);
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parents:
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348 }
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349 return 1;
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parents:
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350 }
fc6fcd7df4f7 Initial revision
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parents:
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351
fc6fcd7df4f7 Initial revision
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parents:
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352 int
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parents:
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353 getlonglistarg(args, a, n)
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parents:
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354 object *args;
fc6fcd7df4f7 Initial revision
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parents:
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355 long *a; /* [n] */
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Guido van Rossum <guido@python.org>
parents:
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356 int n;
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
357 {
fc6fcd7df4f7 Initial revision
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parents:
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358 int i;
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parents:
diff changeset
359 if (!is_listobject(args) || getlistsize(args) != n) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
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360 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 for (i = 0; i < n; i++) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 object *v = getlistitem(args, i);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 if (!is_intobject(v)) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 return err_badarg();
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
366 }
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
367 a[i] = getintvalue(v);
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
368 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 return 1;
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
370 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
371
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 int
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 getshortlistarg(args, a, n)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 object *args;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 short *a; /* [n] */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 int n;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
377 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
378 int i;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 if (!is_listobject(args) || getlistsize(args) != n) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
380 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 for (i = 0; i < n; i++) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 object *v = getlistitem(args, i);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
384 if (!is_intobject(v)) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 a[i] = getintvalue(v);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 return 1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 }
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
391
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
392
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
393 /* Generic function to create a value -- the inverse of getargs() */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
394 /* After an original idea and first implementation by Steven Miale */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
395
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
396 static object *do_mktuple PROTO((char**, va_list *, int, int));
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
397 static object *do_mkvalue PROTO((char**, va_list *));
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
398
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
399 static object *
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
400 do_mktuple(p_format, p_va, endchar, n)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
401 char **p_format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
402 va_list *p_va;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
403 int endchar;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
404 int n;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
405 {
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
406 object *v;
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
407 int i;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
408 if (n < 0)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
409 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
410 if ((v = newtupleobject(n)) == NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
411 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
412 for (i = 0; i < n; i++) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
413 object *w = do_mkvalue(p_format, p_va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
414 if (w == NULL) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
415 DECREF(v);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
416 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
417 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
418 settupleitem(v, i, w);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
419 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
420 if (v != NULL && **p_format != endchar) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
421 DECREF(v);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
422 v = NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
423 err_setstr(SystemError, "Unmatched paren in format");
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
424 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
425 else if (endchar)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
426 ++*p_format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
427 return v;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
428 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
429
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
430 static object *
860
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
431 do_mkvalue(p_format, p_va)
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
432 char **p_format;
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
433 va_list *p_va;
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
434 {
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
435
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
436 switch (*(*p_format)++) {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
437
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
438 case '(':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
439 return do_mktuple(p_format, p_va, ')',
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
440 countformat(*p_format, ')'));
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
441
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
442 case 'b':
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
443 case 'h':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
444 case 'i':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
445 return newintobject((long)va_arg(*p_va, int));
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
446
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
447 case 'l':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
448 return newintobject((long)va_arg(*p_va, long));
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
449
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
450 case 'f':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
451 case 'd':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
452 return newfloatobject((double)va_arg(*p_va, double));
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
453
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
454 case 'c':
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
455 {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
456 char p[1];
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
457 p[0] = va_arg(*p_va, int);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
458 return newsizedstringobject(p, 1);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
459 }
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
460
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
461 case 's':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
462 case 'z':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
463 {
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
464 object *v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
465 char *str = va_arg(*p_va, char *);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
466 int n;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
467 if (**p_format == '#') {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
468 ++*p_format;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
469 n = va_arg(*p_va, int);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
470 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
471 else
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
472 n = -1;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
473 if (str == NULL) {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
474 v = None;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
475 INCREF(v);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
476 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
477 else {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
478 if (n < 0)
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
479 n = strlen(str);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
480 v = newsizedstringobject(str, n);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
481 }
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
482 return v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
483 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
484
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
485 case 'S':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
486 case 'O':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
487 {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
488 object *v;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
489 v = va_arg(*p_va, object *);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
490 if (v != NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
491 INCREF(v);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
492 else if (!err_occurred())
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
493 /* If a NULL was passed because a call
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
494 that should have constructed a value
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
495 failed, that's OK, and we pass the error
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
496 on; but if no error occurred it's not
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
497 clear that the caller knew what she
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
498 was doing. */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
499 err_setstr(SystemError,
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
500 "NULL object passed to mkvalue");
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
501 return v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
502 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
503
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
504 default:
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
505 err_setstr(SystemError, "bad format char passed to mkvalue");
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
506 return NULL;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
507
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
508 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
509 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
510
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
511 #ifdef USE_STDARG
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
512 /* VARARGS 2 */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
513 object *mkvalue(char *format, ...)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
514 #else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
515 /* VARARGS */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
516 object *mkvalue(va_alist) va_dcl
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
517 #endif
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
518 {
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
519 int n;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
520 char *f;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
521 va_list va;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
522 object* retval;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
523 #ifdef USE_STDARG
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
524 va_start(va, format);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
525 #else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
526 char *format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
527
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
528 va_start(va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
529 format = va_arg(va, char *);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
530 #endif
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
531 f = format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
532 n = countformat(f, '\0');
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
533 if (n < 0)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
534 retval = NULL; /* Error in the format */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
535 else if (n == 0) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
536 retval = None;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
537 INCREF(retval);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
538 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
539 else if (n == 1)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
540 retval = do_mkvalue(&f, &va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
541 else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
542 retval = do_mktuple(&f, &va, '\0', n);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
543 va_end(va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
544 if (retval == NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
545 fprintf(stderr, "format \"%s\", f \"%s\"\n", format, f);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
546 return retval;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
547 }