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annotate common/strhelp.c @ 285:f23e0ccd5d14

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Fix call to windows process. This now uses the correct parameters, emits the signals correctly as errors and waits for the process to finish instead of relying on NOASYNC which did not work for runas and also made it impossible to get the return code
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 02 Apr 2014 13:45:57 +0000
parents c596568fa45b
children c4a989a0d6cf
rev   line source
134
5f830969e4a1 Added missing include.
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1 #include <ctype.h>
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2 #include <stdbool.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include <assert.h>
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7
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8 #include <polarssl/base64.h>
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9
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10 #ifdef WIN32
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11 #include <windows.h>
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12 #endif
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13
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14 /* Remarks regarding the "Flawfinder: ignore" comments in this file:
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15 *
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16 * - strlen:
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17 *
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18 * It's true that strlen might crash if input is not null
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19 * terminated. But by design there is not safe way to get the
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20 * length of an string in C, and defining an additional length
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21 * parameter for string parameter will only transfere the problem to
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22 * the caller.
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23 */
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24
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25 static void
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26 out_of_core(void)
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27 {
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28 fputs("\nfatal: out of memory\n", stderr);
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29 exit(2);
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30 }
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31 void *
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32 xmalloc( size_t n )
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33 {
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34 void *p = malloc( n );
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35 if( !p )
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36 out_of_core();
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37 return p;
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38 }
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39
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40 void *
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41 xrealloc( void *a, size_t n )
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42 {
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43 void *p = realloc( a, n );
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44 if( !p )
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45 out_of_core();
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46 return p;
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47 }
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48
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49 char *
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50 xstrndup( const char *string, const size_t len )
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51 {
60
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52 char *p = xmalloc( len + 1 );
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53 memcpy( p, string, len );
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54 p[len] = '\0';
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55 return p;
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56 }
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57
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58 unsigned int
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59 strv_length (char **str_array)
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60 {
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61 unsigned int i = 0;
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62
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63 if (!str_array)
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64 return 0;
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65
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66 while (str_array[i])
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67 ++i;
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68
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69 return i;
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70 }
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71
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72 void strv_append (char ***pArray, const char *string, const size_t len)
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73 {
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74 unsigned int old_len = 0;
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75
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76 if (!*pArray) {
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77 *pArray = xmalloc(2 * sizeof(char*));
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78 (*pArray)[0] = xstrndup(string, len);
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79 (*pArray)[1] = NULL;
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80 return;
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81 }
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82 old_len = strv_length(*pArray);
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83 *pArray = xrealloc(*pArray, sizeof(char**) * (old_len + 2));
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84
60
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85 (*pArray)[old_len] = xstrndup(string, len);
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86 (*pArray)[old_len + 1] = NULL;
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87 }
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88
91
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89 void
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90 str_append_str(char **pDst, size_t *dst_len, const char *appendage, const size_t len)
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91 {
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92 if (!appendage)
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93 return;
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94
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95 if (!(*pDst)) {
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96 *pDst = xstrndup(appendage, len);
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97 *dst_len = len;
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98 } else {
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99 size_t new_size = (*dst_len) + len + 1;
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100 char *p_old = *pDst;
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101 *pDst = xmalloc(new_size);
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102 strncpy(*pDst, p_old, *dst_len);
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103 strncpy(*pDst + *dst_len, appendage, len);
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104 *dst_len = new_size - 1;
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105 (*pDst)[*dst_len] = '\0';
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106 free (p_old);
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107 }
59
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108 }
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109
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110 void
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111 strv_free (char **str_array)
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112 {
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113 if (str_array)
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114 {
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115 int i;
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116
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117 for (i = 0; str_array[i] != NULL; i++)
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118 free (str_array[i]);
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119
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120 free (str_array);
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121 }
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122 }
131
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123
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124 bool
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125 str_equal (char *s1, char *s2)
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126 {
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127 size_t l1 = strlen(s1); /* Flawfinder: ignore */
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128 size_t l2 = strlen(s2); /* Flawfinder: ignore */
131
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129 if ((l1 == l2) &&
136
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130 (strcmp(s1, s2) == 0))
131
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131 return true;
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132 else
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133 return false;
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134 }
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135
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136 bool
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137 str_starts_with (char *s1, char *s2)
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138 {
143
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diff changeset
139 size_t l2 = strlen(s2); /* Flawfinder: ignore */
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140 if (strncmp(s1, s2, l2) == 0)
131
9104b1b2e4da Added string comparison functions.
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141 return true;
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parents: 116
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142 else
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parents: 116
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143 return false;
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parents: 116
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144 }
133
c719d3fdbc15 Added functrion to trim white space from string.
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parents: 131
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145
c719d3fdbc15 Added functrion to trim white space from string.
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parents: 131
diff changeset
146 void
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parents: 131
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147 str_trim (char **s)
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parents: 131
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148 {
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parents: 131
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149 size_t i;
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
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150 if (*s != NULL)
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
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parents: 134
diff changeset
151 {
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
152 while (isspace(**s))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
153 (*s)++;
143
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parents: 136
diff changeset
154 i = strlen(*s); /* Flawfinder: ignore */
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
155 while (isspace((*s)[--i]))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
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156 (*s)[i] = '\0';
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
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parents: 134
diff changeset
157 }
133
c719d3fdbc15 Added functrion to trim white space from string.
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parents: 131
diff changeset
158 }
160
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parents: 143
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159
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parents: 143
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160 int str_base64_decode(char **dst, size_t *dst_size, char *src,
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parents: 143
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161 size_t src_size)
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parents: 143
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162 {
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163 int ret = -1;
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164
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parents: 143
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165 if (!dst || *dst) {
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166 return -1;
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parents: 143
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167 }
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parents: 143
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168
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169 /* Check the needed size for the buffer */
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170 ret = base64_decode(NULL, dst_size,
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171 (unsigned char *)src, src_size);
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172
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173 if (ret != 0 && ret != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) {
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174 return ret;
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175 }
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parents: 143
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176
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diff changeset
177 *dst = xmalloc(*dst_size);
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178 memset (*dst, 0, *dst_size);
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179
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180 ret = base64_decode((unsigned char *)*dst, dst_size,
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parents: 143
diff changeset
181 (unsigned char *)src, src_size);
183
4def8b263dd3 Fix str_base64_decode
Andre Heinecke <aheinecke@intevation.de>
parents: 160
diff changeset
182 if (ret) {
160
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parents: 143
diff changeset
183 free (*dst);
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184 *dst = NULL;
183
4def8b263dd3 Fix str_base64_decode
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parents: 160
diff changeset
185 *dst_size = 0;
160
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186 }
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parents: 143
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187 return ret;
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parents: 143
diff changeset
188 }
251
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
189
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diff changeset
190 void
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parents: 183
diff changeset
191 xfree (void *p)
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
192 {
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
193 if (p)
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
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194 free (p);
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parents: 183
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195 }
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196
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
197 #ifdef WIN32
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198 /* Adapted from GPGOL rev. e512053 */
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diff changeset
199 char *
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diff changeset
200 wchar_to_utf8 (const wchar_t *string, size_t len)
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parents: 183
diff changeset
201 {
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diff changeset
202 int n, ilen;
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Andre Heinecke <aheinecke@intevation.de>
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diff changeset
203 char *result;
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parents: 183
diff changeset
204
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205 ilen = (int) len;
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parents: 183
diff changeset
206 if (ilen < 0)
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
207 return NULL;
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
208
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
209 /* Note, that CP_UTF8 is not defined in Windows versions earlier
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
210 than NT.*/
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parents: 183
diff changeset
211 n = WideCharToMultiByte (CP_UTF8, 0, string, ilen, NULL, 0, NULL, NULL);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
212 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
213 return NULL;
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parents: 183
diff changeset
214
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
215 result = xmalloc ((size_t)n+1);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
216 n = WideCharToMultiByte (CP_UTF8, 0, string, ilen, result, n, NULL, NULL);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
217 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
218 {
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
219 xfree (result);
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
220 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
221 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
222 return result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
223 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
224
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
225 /* Adapted from GPGOL rev. e512053 */
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
226 wchar_t *
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
227 utf8_to_wchar (const char *string, size_t len)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
228 {
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
229 int n, ilen;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
230 wchar_t *result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
231
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
232 ilen = (int) len;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
233 if (ilen < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
234 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
235
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
236 n = MultiByteToWideChar (CP_UTF8, 0, string, ilen, NULL, 0);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
237 if (n < 0 || n + 1 < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
238 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
239
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
240 result = xmalloc ((size_t)(n+1) * sizeof *result);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
241 n = MultiByteToWideChar (CP_UTF8, 0, string, ilen, result, n);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
242 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
243 {
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
244 xfree (result);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
245 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
246 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
247 result[n] = 0;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
248 return result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
249 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
250 #endif
http://wald.intevation.org/projects/trustbridge/