Mercurial > cpython-lru_cache-weakref

annotate Python/modsupport.c @ 1181:950cd37fcddc legacy-trunk

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* Makefile: use cp -r to install the library * ceval.c: use #ifdef COMPAT_HACKS instead of #if 0 * Makefile: fix to make clmodule.c compile; make config.o dependent on libpython.a (so date is always correct) * timemodule.c: now sleep() also takes a float argument. * posixmodule.c: added nice().
author Guido van Rossum <guido@python.org>
date Sat, 09 Jan 1993 17:18:52 +0000
parents 533e36de1e4d
children 2937897a7d8b
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1 /***********************************************************
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0cd197947d81 Copyright for 1992 added
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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;
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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 namebuf = NEW(char, strlen(name) + strlen(ml->ml_name) + 2);
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57 if (namebuf == NULL)
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58 fatal("out of mem for method name");
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59 sprintf(namebuf, "%s.%s", name, ml->ml_name);
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60 v = newmethodobject(namebuf, ml->ml_meth,
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61 (object *)NULL, ml->ml_varargs);
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62 /* XXX The malloc'ed memory in namebuf is never freed */
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63 if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) {
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64 fprintf(stderr, "initializing module: %s\n", name);
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65 fatal("can't initialize module");
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66 }
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67 DECREF(v);
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68 }
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69 return m;
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70 }
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71
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72
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73 /* Helper for getargs() and mkvalue() to scan the length of a format */
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74
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75 static int countformat PROTO((char *format, int endchar));
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76 static int countformat(format, endchar)
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77 char *format;
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78 int endchar;
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79 {
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80 int count = 0;
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81 int level = 0;
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82 while (level > 0 || *format != endchar) {
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83 if (*format == '\0') {
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84 /* Premature end */
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85 err_setstr(SystemError, "unmatched paren in format");
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86 return -1;
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87 }
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88 else if (*format == '(') {
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89 if (level == 0)
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90 count++;
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91 level++;
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92 }
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93 else if (*format == ')')
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94 level--;
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95 else if (level == 0 && *format != '#')
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96 count++;
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97 format++;
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98 }
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99 return count;
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100 }
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101
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102
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103 /* Generic argument list parser */
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104
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105 static int do_arg PROTO((object *arg, char** p_format, va_list *p_va));
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106 static int
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107 do_arg(arg, p_format, p_va)
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108 object *arg;
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109 char** p_format;
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110 va_list *p_va;
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111 {
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112 char *format = *p_format;
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113 va_list va = *p_va;
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114
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115 if (arg == NULL)
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116 return 0; /* Incomplete tuple or list */
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117
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118 switch (*format++) {
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119
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120 case '(': /* tuple, distributed over C parameters */ {
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121 int i, n;
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122 if (!is_tupleobject(arg))
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123 return 0;
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124 n = gettuplesize(arg);
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125 for (i = 0; i < n; i++) {
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126 if (!do_arg(gettupleitem(arg, i), &format, &va))
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127 return 0;
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128 }
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129 if (*format++ != ')')
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130 return 0;
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131 break;
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132 }
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133
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134 case ')': /* End of format -- too many arguments */
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135 return 0;
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136
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137 case 'b': /* byte -- very short int */ {
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138 char *p = va_arg(va, char *);
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139 if (is_intobject(arg))
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140 *p = getintvalue(arg);
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141 else
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142 return 0;
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143 break;
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144 }
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145
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146 case 'h': /* short int */ {
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147 short *p = va_arg(va, short *);
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148 if (is_intobject(arg))
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149 *p = getintvalue(arg);
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Guido van Rossum <guido@python.org>
parents: 488
diff changeset
150 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
151 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
152 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
153 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
154
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
155 case 'i': /* int */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
156 int *p = va_arg(va, int *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
157 if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
158 *p = getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
159 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
160 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
161 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
162 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
163
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
164 case 'l': /* long int */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
165 long *p = va_arg(va, long *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
166 if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
167 *p = getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
168 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
169 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
170 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
171 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
172
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
173 case 'f': /* float */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
174 float *p = va_arg(va, float *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
175 if (is_floatobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
176 *p = getfloatvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
177 else if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
178 *p = (float)getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
179 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
180 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
181 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
182 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
183
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
184 case 'd': /* double */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
185 double *p = va_arg(va, double *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
186 if (is_floatobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
187 *p = getfloatvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
188 else if (is_intobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
189 *p = (double)getintvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
190 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
191 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
192 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
193 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
194
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
195 case 'c': /* char */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
196 char *p = va_arg(va, char *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
197 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
198 *p = getstringvalue(arg)[0];
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
199 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
200 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
201 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
202 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
203
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
204 case 's': /* string */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
205 char **p = va_arg(va, char **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
206 if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
207 *p = getstringvalue(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
208 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
209 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
210 if (*format == '#') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
211 int *q = va_arg(va, int *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
212 *q = getstringsize(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
213 format++;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
214 }
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
215 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
216 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
217 return 0;
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
218 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
219 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
220 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
221
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
222 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
223 char **p = va_arg(va, char **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
224 if (arg == None)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
225 *p = 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
226 else if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
227 *p = getstringvalue(arg);
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 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
230 if (*format == '#') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
231 int *q = va_arg(va, int *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
232 if (arg == None)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
233 *q = 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
234 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
235 *q = getstringsize(arg);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
236 format++;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
237 }
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
238 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
239 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
240 return 0;
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
241 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
242 break;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
243 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
244
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
245 case 'S': /* string object */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
246 object **p = va_arg(va, object **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
247 if (is_stringobject(arg))
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
248 *p = arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
249 else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
250 return 0;
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 }
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
253
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
254 case 'O': /* object */ {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
255 object **p = va_arg(va, object **);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
256 *p = arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
257 break;
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 default:
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
261 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
262 format[-1], format[-1]);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
263 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
264
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
265 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
266
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
267 *p_va = va;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
268 *p_format = format;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
269
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
270 return 1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
271 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
272
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
273 #ifdef USE_STDARG
733
f179d8d5ee8c Shut up lint
Guido van Rossum <guido@python.org>
parents: 637
diff changeset
274 /* VARARGS2 */
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
275 int getargs(object *arg, char *format, ...)
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
276 #else
733
f179d8d5ee8c Shut up lint
Guido van Rossum <guido@python.org>
parents: 637
diff changeset
277 /* VARARGS */
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
278 int getargs(va_alist) va_dcl
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
279 #endif
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
280 {
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
281 char *f;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
282 int ok;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
283 va_list va;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
284 #ifdef USE_STDARG
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
285
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
286 va_start(va, format);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
287 #else
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
288 object *arg;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
289 char *format;
6
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
290
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
291 va_start(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
292 arg = va_arg(va, object *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
293 format = va_arg(va, char *);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
294 #endif
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
295 if (*format == '\0') {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
296 va_end(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
297 if (arg != NULL) {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
298 err_setstr(TypeError, "no arguments needed");
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
299 return 0;
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
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300 }
3cb686c48cdd New getargs() function: a single varargs function,
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parents: 488
diff changeset
301 return 1;
6
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parents:
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302 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
303
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
304 f = format;
3cb686c48cdd New getargs() function: a single varargs function,
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parents: 488
diff changeset
305 ok = do_arg(arg, &f, &va) && *f == '\0';
3cb686c48cdd New getargs() function: a single varargs function,
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parents: 488
diff changeset
306 va_end(va);
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
307 if (!ok) {
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
308 char buf[256];
957
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
309 if (!err_occurred()) {
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
310 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>
parents: 860
diff changeset
311 format);
5c6cdb58a801 check for embedded \0 in strings for z and s formats
Guido van Rossum <guido@python.org>
parents: 860
diff changeset
312 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
313 }
6
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parents:
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314 }
637
3cb686c48cdd New getargs() function: a single varargs function,
Guido van Rossum <guido@python.org>
parents: 488
diff changeset
315 return ok;
6
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parents:
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316 }
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parents:
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317
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parents:
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318 int
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parents:
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319 getlongtuplearg(args, a, n)
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parents:
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320 object *args;
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321 long *a; /* [n] */
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parents:
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322 int n;
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parents:
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323 {
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324 int i;
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parents:
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325 if (!is_tupleobject(args) || gettuplesize(args) != n) {
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parents:
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326 return err_badarg();
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parents:
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327 }
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parents:
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328 for (i = 0; i < n; i++) {
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329 object *v = gettupleitem(args, i);
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parents:
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330 if (!is_intobject(v)) {
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331 return err_badarg();
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parents:
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332 }
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333 a[i] = getintvalue(v);
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parents:
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334 }
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Guido van Rossum <guido@python.org>
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335 return 1;
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parents:
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336 }
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337
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338 int
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339 getshorttuplearg(args, a, n)
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340 object *args;
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341 short *a; /* [n] */
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parents:
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342 int n;
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parents:
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343 {
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parents:
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344 int i;
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parents:
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345 if (!is_tupleobject(args) || gettuplesize(args) != n) {
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Guido van Rossum <guido@python.org>
parents:
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346 return err_badarg();
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parents:
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347 }
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parents:
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348 for (i = 0; i < n; i++) {
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parents:
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349 object *v = gettupleitem(args, i);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 if (!is_intobject(v)) {
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Guido van Rossum <guido@python.org>
parents:
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351 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
352 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
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353 a[i] = getintvalue(v);
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
354 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
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355 return 1;
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
356 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
357
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
358 int
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
359 getlonglistarg(args, a, n)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
360 object *args;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
361 long *a; /* [n] */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
362 int n;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
363 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
364 int i;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
365 if (!is_listobject(args) || getlistsize(args) != n) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
366 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
367 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
368 for (i = 0; i < n; i++) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
369 object *v = getlistitem(args, i);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
370 if (!is_intobject(v)) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
371 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
372 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
373 a[i] = getintvalue(v);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
374 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
375 return 1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
376 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
377
fc6fcd7df4f7 Initial revision
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parents:
diff changeset
378 int
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
379 getshortlistarg(args, a, n)
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
380 object *args;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
381 short *a; /* [n] */
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
382 int n;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
384 int i;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
385 if (!is_listobject(args) || getlistsize(args) != n) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
386 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
387 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
388 for (i = 0; i < n; i++) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
389 object *v = getlistitem(args, i);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
390 if (!is_intobject(v)) {
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
391 return err_badarg();
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
392 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
393 a[i] = getintvalue(v);
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
394 }
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
395 return 1;
fc6fcd7df4f7 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
396 }
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
397
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
398
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
399 /* 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
400 /* 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
401
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
402 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
403 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
404
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
405 static object *
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
406 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
407 char **p_format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
408 va_list *p_va;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
409 int endchar;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
410 int n;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
411 {
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
412 object *v;
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
413 int i;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
414 if (n < 0)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
415 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
416 if ((v = newtupleobject(n)) == NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
417 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
418 for (i = 0; i < n; i++) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
419 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
420 if (w == NULL) {
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 return NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
423 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
424 settupleitem(v, i, w);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
425 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
426 if (v != NULL && **p_format != endchar) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
427 DECREF(v);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
428 v = NULL;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
429 err_setstr(SystemError, "Unmatched paren in format");
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
430 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
431 else if (endchar)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
432 ++*p_format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
433 return v;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
434 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
435
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
436 static object *
860
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
437 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
438 char **p_format;
39134c99c923 Added parameter decls to do_mkvalue for non-template machines
Guido van Rossum <guido@python.org>
parents: 817
diff changeset
439 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
440 {
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
441
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
442 switch (*(*p_format)++) {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
443
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
444 case '(':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
445 return do_mktuple(p_format, p_va, ')',
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
446 countformat(*p_format, ')'));
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
447
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
448 case 'b':
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
449 case 'h':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
450 case 'i':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
451 return newintobject((long)va_arg(*p_va, int));
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
452
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
453 case 'l':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
454 return newintobject((long)va_arg(*p_va, long));
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
455
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
456 case 'f':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
457 case 'd':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
458 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
459
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
460 case 'c':
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
461 {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
462 char p[1];
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
463 p[0] = va_arg(*p_va, int);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
464 return newsizedstringobject(p, 1);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
465 }
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
466
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
467 case 's':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
468 case 'z':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
469 {
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
470 object *v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
471 char *str = va_arg(*p_va, char *);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
472 int n;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
473 if (**p_format == '#') {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
474 ++*p_format;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
475 n = va_arg(*p_va, int);
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 n = -1;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
479 if (str == NULL) {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
480 v = None;
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
481 INCREF(v);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
482 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
483 else {
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
484 if (n < 0)
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
485 n = strlen(str);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
486 v = newsizedstringobject(str, n);
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
487 }
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
488 return v;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
489 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
490
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
491 case 'S':
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
492 case 'O':
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
493 {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
494 object *v;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
495 v = va_arg(*p_va, object *);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
496 if (v != NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
497 INCREF(v);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
498 else if (!err_occurred())
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
499 /* 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
500 that should have constructed a value
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
501 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
502 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
503 clear that the caller knew what she
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
504 was doing. */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
505 err_setstr(SystemError,
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
506 "NULL object passed to mkvalue");
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
507 return v;
816
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 default:
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
511 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
512 return NULL;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
513
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
514 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
515 }
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
516
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
517 #ifdef USE_STDARG
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
518 /* VARARGS 2 */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
519 object *mkvalue(char *format, ...)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
520 #else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
521 /* VARARGS */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
522 object *mkvalue(va_alist) va_dcl
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
523 #endif
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
524 {
817
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
525 int n;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
526 char *f;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
527 va_list va;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
528 object* retval;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
529 #ifdef USE_STDARG
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
530 va_start(va, format);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
531 #else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
532 char *format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
533
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
534 va_start(va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
535 format = va_arg(va, char *);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
536 #endif
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
537 f = format;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
538 n = countformat(f, '\0');
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
539 if (n < 0)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
540 retval = NULL; /* Error in the format */
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
541 else if (n == 0) {
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
542 retval = None;
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
543 INCREF(retval);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
544 }
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
545 else if (n == 1)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
546 retval = do_mkvalue(&f, &va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
547 else
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
548 retval = do_mktuple(&f, &va, '\0', n);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
549 va_end(va);
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
550 if (retval == NULL)
aa633f0defa6 Merged with Steve Miale's version
Guido van Rossum <guido@python.org>
parents: 816
diff changeset
551 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
552 return retval;
816
e4a27d84ea36 Added mkvalue() function
Guido van Rossum <guido@python.org>
parents: 795
diff changeset
553 }