Mercurial > cpython-lru_cache-weakref

annotate Modules/md5module.c @ 1590:ac2e5cc29949 legacy-trunk

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Added tests for missing host to open_http and open_gopher
author Guido van Rossum <guido@python.org>
date Mon, 18 Apr 1994 09:39:56 +0000
parents b1bb74a2b593
children 1940892d2fe3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /***********************************************************
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2 Copyright 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 /* MD5 module */
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25
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26 /* This module provides an interface to a message digest algorithm,
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27 MD5 in this case */
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28
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29 /* MD5 objects */
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30
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31 #include "allobjects.h"
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32 #include "modsupport.h" /* For getargs() etc. */
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33
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34 #include "md5.h"
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35 typedef struct {
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36 OB_HEAD
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37 MD5_CTX md5; /* the context holder */
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38 } md5object;
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39
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40 extern typeobject MD5type; /* Really static, forward */
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41
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42 #define is_md5object(v) ((v)->ob_type == &MD5type)
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43
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44 /* #define MD5_DEBUG */
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45
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46 static md5object *
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47 newmd5object()
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48 {
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49 md5object *md5p;
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50
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51
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52 #ifdef MD5_DEBUG
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53 fputs( "md5_object() called...\n", stderr );
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54 #endif /* def MD5_DEBUG */
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55 md5p = NEWOBJ(md5object, &MD5type);
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56 if (md5p == NULL)
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57 return NULL;
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58
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59 MD5Init(&md5p->md5); /* actual initialisation */
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60 return md5p;
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61 } /* newmd5object() */
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62
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63
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64 /* MD5 methods */
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65
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66 static void
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67 md5_dealloc(md5p)
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68 md5object *md5p;
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69 {
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70 #ifdef MD5_DEBUG
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71 fputs( "md5_dealloc() called...\n", stderr );
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72 #endif /* def MD5_DEBUG */
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73
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74 DEL(md5p);
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75 } /* md5_dealloc() */
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76
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77
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78 /* MD5 initialisation */
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79
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80 static object *
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81 MD5_md5(self, args)
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82 object *self;
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83 object *args;
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84 {
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85 md5object *md5p;
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86 char *cp = (char *)NULL;
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87 int len;
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88
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89
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90 #ifdef MD5_DEBUG
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91 fputs("MD5_md5() called...\n", stderr);
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92 #endif /* def MD5_DEBUG */
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93
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94 if (!getargs(args, "")) {
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95 err_clear();
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96 if (!getargs(args, "s#", &cp, &len))
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97 return NULL;
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98 }
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99
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100 if ((md5p = newmd5object()) == NULL)
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101 return NULL;
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102
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103 if (cp)
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104 MD5Update(&md5p->md5, cp, len);
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105
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106 return (object *)md5p;
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107 } /* MD5_md5() */
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108
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109
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110 /* MD5 methods-as-attributes */
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111 static object *
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112 md5_update(self, args)
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113 md5object *self;
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114 object *args;
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115 {
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116 char *cp;
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117 int len;
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118
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119
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120 if (!getargs(args, "s#", &cp, &len))
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121 return NULL;
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122
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123 MD5Update(&self->md5, cp, len);
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124
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125 INCREF(None);
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126 return None;
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127 } /* md5_update() */
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128
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158f0d9cdd40 Simplify life for md5: include (slightly modified) md5.h and md5c.c
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129 #define DIGESTLEN 16 /* this is used twice--walrus@umich.edu */
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130 static object *
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131 md5_digest(self, args)
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132 md5object *self;
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133 object *args;
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134 {
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135
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136 MD5_CTX mdContext;
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137 char aDigest[DIGESTLEN];
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138
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139
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140 if (!getnoarg(args))
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141 return NULL;
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142
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143 /* make a temporary copy, and perform the final */
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144 mdContext = self->md5;
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145 MD5Final(aDigest, &mdContext);
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146
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147 return newsizedstringobject((char *)aDigest, DIGESTLEN);
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148 } /* md5_digest() */
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149 #undef DIGESTLEN
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150
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151 static object *
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152 md5_copy(self, args)
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153 md5object *self;
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154 object *args;
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155 {
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156 md5object *md5p;
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157
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158
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159 if (!getnoarg(args))
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160 return NULL;
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161
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162 if ((md5p = newmd5object()) == NULL)
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163 return NULL;
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164
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165 md5p->md5 = self->md5;
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166
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167 return (object *)md5p;
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168 } /* md5_copy() */
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169
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170
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171 static struct methodlist md5_methods[] = {
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172 {"update", md5_update},
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173 {"digest", md5_digest},
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174 {"copy", md5_copy},
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175 {NULL, NULL} /* sentinel */
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176 };
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177
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178 static object *
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179 md5_getattr(self, name)
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180 md5object *self;
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181 char *name;
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182 {
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183 return findmethod(md5_methods, (object *)self, name);
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184 } /* md5_getattr() */
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185
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186 #ifndef _AIX
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187 static
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188 #endif
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189 typeobject MD5type = {
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190 OB_HEAD_INIT(&Typetype)
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191 0, /*ob_size*/
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192 "md5", /*tp_name*/
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193 sizeof(md5object), /*tp_size*/
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194 0, /*tp_itemsize*/
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195 /* methods */
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196 md5_dealloc, /*tp_dealloc*/
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197 0, /*tp_print*/
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198 md5_getattr, /*tp_getattr*/
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199 0, /*tp_setattr*/
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200 0, /*tp_compare*/
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201 0, /*tp_repr*/
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202 0, /*tp_as_number*/
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203 };
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204
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205 /* List of functions exported by this module */
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206
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207 static struct methodlist md5_functions[] = {
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208 {"md5", MD5_md5},
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209 {NULL, NULL} /* Sentinel */
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210 };
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211
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212
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213 /* Initialize this module. */
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214
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215 void
6461dac9a9f2 * mymalloc.h: always allocate one extra byte, since some malloc's
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216 initmd5()
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217 {
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218 #ifdef MD5_DEBUG
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219 fputs( "initmd5() called...\n", stderr );
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220 #endif /* def MD5_DEBUG */
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221 (void)initmodule("md5", md5_functions);
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222 } /* initmd5() */
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223
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224 #ifdef MAKEDUMMYINT
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225 int _md5_dummy_int; /* XXX otherwise, we're .bss-less (DYNLOAD->Jack?) */
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226 #endif /* def MAKEDUMMYINT */