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annotate tok.c @ 33:fa93d2ff9c62

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Prevent potential division by zero Add safeguard ensuring that there is at least one possible character to generate passwords from in order to exclude the possibility of a division by zero error in rand_uniform.
author Guido Berhoerster <guido+pwm@berhoerster.name>
date Tue, 30 Jul 2019 20:38:08 +0200
parents 722a45b4028b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name>
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining
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5 * a copy of this software and associated documentation files (the
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6 * "Software"), to deal in the Software without restriction, including
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7 * without limitation the rights to use, copy, modify, merge, publish,
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8 * distribute, sublicense, and/or sell copies of the Software, and to
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9 * permit persons to whom the Software is furnished to do so, subject to
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10 * the following conditions:
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11 *
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12 * The above copyright notice and this permission notice shall be included
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13 * in all copies or substantial portions of the Software.
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14 *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 */
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23
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24 #include "compat.h"
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25
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26 #include <ctype.h>
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27 #include <stdio.h>
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28 #include <stdlib.h>
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29 #include <string.h>
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30
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31 #include "tok.h"
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32 #include "util.h"
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33
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34 enum tok_states {
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35 STATE_INITIAL,
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36 STATE_IN_WORD,
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37 STATE_IN_QUOTE,
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38 STATE_IN_WORD_ESCAPE,
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39 STATE_IN_QUOTE_ESCAPE,
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40 STATE_IN_MACRO
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41 };
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42
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43 static inline void
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44 strbuf_appendc(char **bufp, size_t *buf_sizep, int c)
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45 {
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46 char *buf = *bufp;
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47 size_t buf_size = *buf_sizep;
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48 size_t len;
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49
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50 len = ((buf != NULL) && (c >= 0)) ? strlen(buf) : 0;
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51
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52 /* allocate buffer if *bufp is NULL and *buf_sizep is 0 */
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53 if (buf_size < len + (c >= 0) + 1) {
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54 buf_size = (buf_size * 2 > BUFSIZ) ? buf_size * 2 : BUFSIZ;
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55 buf = xrealloc(buf, buf_size);
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56 }
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57
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58 /* append character to string buffer or reset buffer if c is -1 */
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59 if (c >= 0) {
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60 buf[len++] = c;
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61 }
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62 buf[len] = '\0';
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63
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64 *bufp = buf;
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65 *buf_sizep = buf_size;
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66 }
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67
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68 void
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69 tok_free(union tok **tokenv)
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70 {
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71 size_t i;
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72
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73 if (tokenv == NULL) {
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74 return;
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75 }
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76
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77 for (i = 0; tokenv[i] != NULL; i++) {
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78 switch (tokenv[i]->any.type) {
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79 case TOK_MACRO:
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80 free(tokenv[i]->macro.name);
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81 break;
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82 case TOK_ARG:
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83 free(tokenv[i]->arg.value);
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84 break;
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85 }
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86 free(tokenv[i]);
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87 }
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88 free(tokenv);
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89 }
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90
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91 enum tok_err
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92 tok_tokenize(const char *s, size_t *tokencp, union tok ***tokenvp)
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93 {
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94 int retval = TOK_ERR_OK;
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95 union tok **tokenv;
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96 size_t tokenc = 0;
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97 const char *p = s;
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98 enum tok_states state = STATE_INITIAL;
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99 char quote;
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100 char *buf = NULL;
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101 size_t buf_size = 0;
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102 char *value;
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103 char *name;
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104
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105 /* allocate maximum number of tokens: ceil(length / 2) */
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106 tokenv = xmalloc((((strlen(s) + 2 - 1) / 2) + 1) *
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107 sizeof (union tok *));
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108
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109 for (;;) {
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110 switch (state) {
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111 case STATE_INITIAL:
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112 switch (*p) {
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113 case ' ': /* FALLTHROUGH */
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114 case '\t': /* FALLTHROUGH */
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115 case '\n':
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116 /* skip initial whitespace */
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117 break;
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118 case '"': /* FALLTHROUGH */
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119 case '\'':
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120 /* start quoted part of token */
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121 state = STATE_IN_QUOTE;
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122 quote = *p;
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123 strbuf_appendc(&buf, &buf_size, -1);
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124 break;
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125 case '\\':
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126 /* start token with a backslash escape */
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127 state = STATE_IN_WORD_ESCAPE;
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128 strbuf_appendc(&buf, &buf_size, -1);
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129 break;
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130 case '$':
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131 /* start macro token */
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132 state = STATE_IN_MACRO;
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133 strbuf_appendc(&buf, &buf_size, -1);
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134 break;
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135 case '\0':
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136 /* end of input */
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137 retval = TOK_ERR_OK;
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138 goto out;
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139 default:
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140 /* start token with a word */
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141 state = STATE_IN_WORD;
27
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Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
142 strbuf_appendc(&buf, &buf_size, -1);
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
143 strbuf_appendc(&buf, &buf_size, *p);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
144 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
145 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
146 case STATE_IN_WORD:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
147 switch (*p) {
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
148 case ' ': /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
149 case '\t': /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
150 case '\n': /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
151 case '\0':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
152 /* end of token */
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
153 value = xstrdup(buf);
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
154 tokenv[tokenc] = xmalloc(sizeof (union tok));
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
155 tokenv[tokenc]->arg.type = TOK_ARG;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
156 tokenv[tokenc]->arg.value = value;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
157 tokenc++;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
158
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
159 if (*p == '\0') {
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
160 retval = TOK_ERR_OK;
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
161 goto out;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
162 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
163 state = STATE_INITIAL;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
164 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
165 case '"': /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
166 case '\'':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
167 /* start quoted part of token */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
168 state = STATE_IN_QUOTE;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
169 quote = *p;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
170 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
171 case '\\':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
172 /* start backslash escape */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
173 state = STATE_IN_WORD_ESCAPE;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
174 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
175 default:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
176 /* regular character */
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
177 strbuf_appendc(&buf, &buf_size, *p);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
178 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
179 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
180 case STATE_IN_QUOTE:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
181 switch (*p) {
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
182 case '"': /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
183 case '\'':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
184 if (*p == quote) {
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
185 /* end quoted part of token */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
186 state = STATE_IN_WORD;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
187 } else {
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
188 /* quote quote character */
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
189 strbuf_appendc(&buf, &buf_size, *p);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
190 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
191 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
192 case '\\':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
193 /* start quoted backslash escape */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
194 state = STATE_IN_QUOTE_ESCAPE;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
195 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
196 case '\0':
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
197 /* unclosed quote */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
198 retval = TOK_ERR_UNTERMINATED_QUOTE;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
199 goto out;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
200 default:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
201 /* regular character */
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
202 strbuf_appendc(&buf, &buf_size, *p);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
203 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
204 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
205 case STATE_IN_WORD_ESCAPE: /* FALLTHROUGH */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
206 case STATE_IN_QUOTE_ESCAPE:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
207 if (*p == '\0') {
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
208 /* trailing backslash */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
209 retval = TOK_ERR_TRAILING_BACKSLASH;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
210 goto out;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
211 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
212 /* escaped character */
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
213 state = (state == STATE_IN_WORD_ESCAPE) ?
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
214 STATE_IN_WORD : STATE_IN_QUOTE;
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
215 strbuf_appendc(&buf, &buf_size, *p);
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
216 break;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
217 case STATE_IN_MACRO:
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
218 switch (*p) {
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
219 case ' ': /* FALLTHROUGH */
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
220 case '\t': /* FALLTHROUGH */
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
221 case '\n': /* FALLTHROUGH */
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
222 case '\0':
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
223 /* end of token */
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
224 name = xstrdup(buf);
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
225 tokenv[tokenc] = xmalloc(sizeof (union tok));
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
226 tokenv[tokenc]->macro.type = TOK_MACRO;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
227 tokenv[tokenc]->macro.name = name;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
228 tokenc++;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
229
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
230 if (*p == '\0') {
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
231 retval = TOK_ERR_OK;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
232 goto out;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
233 }
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
234 state = STATE_INITIAL;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
235 break;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
236 default:
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
237 /*
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
238 * macro names must only contain alphanumeric
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
239 * characters and underscores
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
240 */
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
241 if (!isascii(*p) || (!isalnum(*p) &&
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
242 (*p != '_'))) {
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
243 retval = TOK_ERR_INVALID_MACRO_NAME;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
244 goto out;
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
245 }
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
246 strbuf_appendc(&buf, &buf_size, *p);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
247 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
248 break;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
249 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
250 p++;
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
251 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
252
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
253 out:
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
254 if (retval < 0) {
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
255 tok_free(tokenv);
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
256 } else {
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
257 tokenv[tokenc] = NULL;
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
258 *tokencp = tokenc;
27
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
259 *tokenvp = xrealloc(tokenv, (tokenc + 1) *
722a45b4028b Add define command for defining macros
Guido Berhoerster <guido+pwm@berhoerster.name>
parents: 0
diff changeset
260 sizeof (union tok *));
0
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
261 }
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
262 free(buf);
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
263
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
264 return (retval);
a7e41e1a79c8 Initial revision
Guido Berhoerster <guido+pwm@berhoerster.name>
parents:
diff changeset
265 }