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/*
* Copyright (c) 2007 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "hx_locl.h"
RCSID("$Id: env.c 19878 2007-01-13 00:58:39Z lha $");
struct hx509_env {
struct {
char *key;
char *value;
} *val;
size_t len;
};
int
hx509_env_init(hx509_context context, hx509_env *env)
{
*env = calloc(1, sizeof(**env));
if (*env == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
return 0;
}
int
hx509_env_add(hx509_context context, hx509_env env,
const char *key, const char *value)
{
void *ptr;
ptr = realloc(env->val, sizeof(env->val[0]) * (env->len + 1));
if (ptr == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->val = ptr;
env->val[env->len].key = strdup(key);
if (env->val[env->len].key == NULL) {
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->val[env->len].value = strdup(value);
if (env->val[env->len].value == NULL) {
free(env->val[env->len].key);
hx509_set_error_string(context, 0, ENOMEM, "out of memory");
return ENOMEM;
}
env->len++;
return 0;
}
const char *
hx509_env_lfind(hx509_context context, hx509_env env,
const char *key, size_t len)
{
size_t i;
for (i = 0; i < env->len; i++) {
char *s = env->val[i].key;
if (strncmp(key, s, len) == 0 && s[len] == '\0')
return env->val[i].value;
}
return NULL;
}
void
hx509_env_free(hx509_env *env)
{
size_t i;
for (i = 0; i < (*env)->len; i++) {
free((*env)->val[i].key);
free((*env)->val[i].value);
}
free((*env)->val);
free(*env);
*env = NULL;
}
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