2 * Copyright (c) 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 RCSID("$Id: env.c 22349 2007-12-26 19:32:49Z lha $");
38 * @page page_env Hx509 enviroment functions
40 * See the library functions here: @ref hx509_env
52 * Allocate a new hx509_env container object.
54 * @param context A hx509 context.
55 * @param env return a hx509_env structure, free with hx509_env_free().
57 * @return An hx509 error code, see hx509_get_error_string().
63 hx509_env_init(hx509_context context, hx509_env *env)
65 *env = calloc(1, sizeof(**env));
67 hx509_set_error_string(context, 0, ENOMEM, "out of memory");
74 * Add a new key/value pair to the hx509_env.
76 * @param context A hx509 context.
77 * @param env enviroment to add the enviroment variable too.
78 * @param key key to add
79 * @param value value to add
81 * @return An hx509 error code, see hx509_get_error_string().
87 hx509_env_add(hx509_context context, hx509_env env,
88 const char *key, const char *value)
92 ptr = realloc(env->val, sizeof(env->val[0]) * (env->len + 1));
94 hx509_set_error_string(context, 0, ENOMEM, "out of memory");
98 env->val[env->len].key = strdup(key);
99 if (env->val[env->len].key == NULL) {
100 hx509_set_error_string(context, 0, ENOMEM, "out of memory");
103 env->val[env->len].value = strdup(value);
104 if (env->val[env->len].value == NULL) {
105 free(env->val[env->len].key);
106 hx509_set_error_string(context, 0, ENOMEM, "out of memory");
114 * Search the hx509_env for a key.
116 * @param context A hx509 context.
117 * @param env enviroment to add the enviroment variable too.
118 * @param key key to search for.
119 * @param len length of key.
121 * @return the value if the key is found, NULL otherwise.
127 hx509_env_lfind(hx509_context context, hx509_env env,
128 const char *key, size_t len)
132 for (i = 0; i < env->len; i++) {
133 char *s = env->val[i].key;
134 if (strncmp(key, s, len) == 0 && s[len] == '\0')
135 return env->val[i].value;
141 * Free an hx509_env enviroment context.
143 * @param env the enviroment to free.
149 hx509_env_free(hx509_env *env)
153 for (i = 0; i < (*env)->len; i++) {
154 free((*env)->val[i].key);
155 free((*env)->val[i].value);