annotate common/strhelp.c @ 713:cdf8a924e480

(UI) Increase apply/quit button height. Updated translations.
author Emanuel Schuetze <emanuel@intevation.de>
date Wed, 02 Jul 2014 15:46:50 +0200
parents 17e1c8f37d72
children 698b6a9bd75e
rev   line source
404
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 /* Needed to get asprintf */
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9 #define _GNU_SOURCE 1
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10
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11 #include <ctype.h>
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12 #include <stdarg.h>
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13 #include <stdbool.h>
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14 #include <stdio.h>
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15 #include <stdlib.h>
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16 #include <string.h>
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17 #include <assert.h>
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18
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19 #include <polarssl/base64.h>
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20
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21 #ifdef WIN32
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22 #include <windows.h>
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23 #endif
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24
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25 /* Remarks regarding the "Flawfinder: ignore" comments in this file:
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26 *
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27 * - strlen:
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28 *
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29 * It's true that strlen might crash if input is not null
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30 * terminated. But by design there is not safe way to get the
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31 * length of an string in C, and defining an additional length
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32 * parameter for string parameter will only transfere the problem to
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33 * the caller.
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34 */
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35
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36 static void
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37 out_of_core(void)
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38 {
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39 fputs("\nfatal: out of memory\n", stderr);
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40 exit(2);
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41 }
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42 void *
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43 xmalloc( size_t n )
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44 {
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45 void *p = malloc( n );
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46 if( !p )
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47 out_of_core();
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48 return p;
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49 }
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50
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51 void *
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52 xrealloc( void *a, size_t n )
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53 {
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54 void *p = realloc( a, n );
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55 if( !p )
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56 out_of_core();
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57 return p;
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58 }
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59
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60 char *
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61 xstrndup( const char *string, const size_t len )
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62 {
60
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63 char *p = xmalloc( len + 1 );
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64 memcpy( p, string, len );
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65 p[len] = '\0';
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66 return p;
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67 }
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68
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69 unsigned int
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70 strv_length (char **str_array)
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71 {
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72 unsigned int i = 0;
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73
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74 if (!str_array)
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75 return 0;
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76
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77 while (str_array[i])
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78 ++i;
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79
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80 return i;
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81 }
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82
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83 void strv_append (char ***pArray, const char *string, const size_t len)
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84 {
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85 unsigned int old_len = 0;
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86
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87 if (!*pArray) {
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88 *pArray = xmalloc(2 * sizeof(char*));
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89 (*pArray)[0] = xstrndup(string, len);
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90 (*pArray)[1] = NULL;
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91 return;
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92 }
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93 old_len = strv_length(*pArray);
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94 *pArray = xrealloc(*pArray, sizeof(char**) * (old_len + 2));
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95
60
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96 (*pArray)[old_len] = xstrndup(string, len);
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97 (*pArray)[old_len + 1] = NULL;
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98 }
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99
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100 void
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101 str_append_str(char **pDst, size_t *dst_len, const char *appendage, const size_t len)
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102 {
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103 if (!appendage)
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104 return;
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105
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106 if (!(*pDst)) {
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107 *pDst = xstrndup(appendage, len);
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108 *dst_len = len;
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109 } else {
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110 size_t new_size = (*dst_len) + len + 1;
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111 char *p_old = *pDst;
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112 *pDst = xmalloc(new_size);
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113 strncpy(*pDst, p_old, *dst_len);
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114 strncpy(*pDst + *dst_len, appendage, len);
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115 *dst_len = new_size - 1;
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116 (*pDst)[*dst_len] = '\0';
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117 free (p_old);
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118 }
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119 }
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120
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121 void
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122 strv_free (char **str_array)
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123 {
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124 if (str_array)
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125 {
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126 int i;
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127
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128 for (i = 0; str_array[i] != NULL; i++)
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129 free (str_array[i]);
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130
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131 free (str_array);
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132 }
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133 }
131
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134
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135 bool
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136 str_equal (char *s1, char *s2)
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137 {
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138 size_t l1 = strlen(s1); /* Flawfinder: ignore */
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139 size_t l2 = strlen(s2); /* Flawfinder: ignore */
131
9104b1b2e4da Added string comparison functions.
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parents: 116
diff changeset
140 if ((l1 == l2) &&
136
5fa4791d6d0e Replaced unnecessary strncmp with strcmp.
Sascha Wilde <wilde@intevation.de>
parents: 135
diff changeset
141 (strcmp(s1, s2) == 0))
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
142 return true;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
143 else
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
144 return false;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
145 }
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
146
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
147 bool
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
148 str_starts_with (char *s1, char *s2)
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
149 {
143
b026e6d2a161 Make flawfinder (a bit more) happy.
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parents: 136
diff changeset
150 size_t l2 = strlen(s2); /* Flawfinder: ignore */
b026e6d2a161 Make flawfinder (a bit more) happy.
Sascha Wilde <wilde@intevation.de>
parents: 136
diff changeset
151 if (strncmp(s1, s2, l2) == 0)
131
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
152 return true;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
153 else
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
154 return false;
9104b1b2e4da Added string comparison functions.
Sascha Wilde <wilde@intevation.de>
parents: 116
diff changeset
155 }
133
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
156
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
157 void
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
158 str_trim (char **s)
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
159 {
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
160 size_t i;
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
161 if (*s != NULL)
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
162 {
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
163 while (isspace(**s))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
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parents: 134
diff changeset
164 (*s)++;
143
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parents: 136
diff changeset
165 i = strlen(*s); /* Flawfinder: ignore */
135
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
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parents: 134
diff changeset
166 while (isspace((*s)[--i]))
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
167 (*s)[i] = '\0';
3fb6ddd6b70d str_trim: do nothing if *s is NULL.
Sascha Wilde <wilde@intevation.de>
parents: 134
diff changeset
168 }
133
c719d3fdbc15 Added functrion to trim white space from string.
Sascha Wilde <wilde@intevation.de>
parents: 131
diff changeset
169 }
160
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
170
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
171 int str_base64_decode(char **dst, size_t *dst_size, char *src,
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parents: 143
diff changeset
172 size_t src_size)
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parents: 143
diff changeset
173 {
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parents: 143
diff changeset
174 int ret = -1;
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parents: 143
diff changeset
175
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
176 if (!dst || *dst) {
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parents: 143
diff changeset
177 return -1;
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
178 }
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parents: 143
diff changeset
179
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
180 /* Check the needed size for the buffer */
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parents: 143
diff changeset
181 ret = base64_decode(NULL, dst_size,
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parents: 143
diff changeset
182 (unsigned char *)src, src_size);
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parents: 143
diff changeset
183
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
184 if (ret != 0 && ret != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) {
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
185 return ret;
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
186 }
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
187
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
188 *dst = xmalloc(*dst_size);
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
189 memset (*dst, 0, *dst_size);
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parents: 143
diff changeset
190
bf4bfd8843bd Add memory allocating base64 decode function
Andre Heinecke <aheinecke@intevation.de>
parents: 143
diff changeset
191 ret = base64_decode((unsigned char *)*dst, dst_size,
bf4bfd8843bd Add memory allocating base64 decode function
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parents: 143
diff changeset
192 (unsigned char *)src, src_size);
183
4def8b263dd3 Fix str_base64_decode
Andre Heinecke <aheinecke@intevation.de>
parents: 160
diff changeset
193 if (ret) {
160
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parents: 143
diff changeset
194 free (*dst);
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parents: 143
diff changeset
195 *dst = NULL;
183
4def8b263dd3 Fix str_base64_decode
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parents: 160
diff changeset
196 *dst_size = 0;
160
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parents: 143
diff changeset
197 }
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parents: 143
diff changeset
198 return ret;
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parents: 143
diff changeset
199 }
251
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
200
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
201 void
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parents: 183
diff changeset
202 xfree (void *p)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
203 {
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
204 if (p)
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
205 free (p);
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parents: 183
diff changeset
206 }
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
207
319
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
208 int
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
209 xasprintf (char **strp, const char *fmt, ...)
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parents: 288
diff changeset
210 {
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
211 int ret;
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
212 va_list ap;
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
213 va_start(ap, fmt);
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
214 ret = vasprintf(strp, fmt, ap);
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
215 va_end(ap);
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
216
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
217 if (ret == -1)
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
218 out_of_core();
4077eff1dd39 Added terminateing version of asprintf.
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parents: 288
diff changeset
219
4077eff1dd39 Added terminateing version of asprintf.
Sascha Wilde <wilde@intevation.de>
parents: 288
diff changeset
220 return ret;
4077eff1dd39 Added terminateing version of asprintf.
Sascha Wilde <wilde@intevation.de>
parents: 288
diff changeset
221 }
4077eff1dd39 Added terminateing version of asprintf.
Sascha Wilde <wilde@intevation.de>
parents: 288
diff changeset
222
251
c596568fa45b Add utf16 conversion functions for Windows.
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diff changeset
223 #ifdef WIN32
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diff changeset
224 /* Adapted from GPGOL rev. e512053 */
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
225 char *
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
226 wchar_to_utf8 (const wchar_t *string, size_t len)
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
227 {
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
228 int n, ilen;
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parents: 183
diff changeset
229 char *result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
230
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
231 ilen = (int) len;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
232 if (ilen < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
233 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
234
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
235 /* 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
236 than NT.*/
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
237 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
238 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
239 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
240
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
241 result = xmalloc ((size_t)n+1);
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
242 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
243 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
244 {
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
245 xfree (result);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
246 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
247 }
288
c4a989a0d6cf Ensure that the utf8 string is always 0 terminated.
Andre Heinecke <aheinecke@intevation.de>
parents: 251
diff changeset
248 result[n] = 0;
251
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
249 return result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
250 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
251
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
252 /* Adapted from GPGOL rev. e512053 */
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
253 wchar_t *
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
254 utf8_to_wchar (const char *string, size_t len)
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
255 {
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
256 int n, ilen;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
257 wchar_t *result;
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
258
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
259 ilen = (int) len;
c596568fa45b Add utf16 conversion functions for Windows.
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parents: 183
diff changeset
260 if (ilen < 0)
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Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
261 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
262
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
263 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
264 if (n < 0 || n + 1 < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
265 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
266
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
267 result = xmalloc ((size_t)(n+1) * sizeof *result);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
268 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
269 if (n < 0)
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
270 {
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
271 xfree (result);
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
272 return NULL;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
273 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
274 result[n] = 0;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
275 return result;
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
276 }
c596568fa45b Add utf16 conversion functions for Windows.
Andre Heinecke <aheinecke@intevation.de>
parents: 183
diff changeset
277 #endif

http://wald.intevation.org/projects/trustbridge/