Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
145 lines
2.2 KiB
C
145 lines
2.2 KiB
C
/*
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* $Id: env.c,v 1.6 2007/06/21 18:07:23 cparker Exp $
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*
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* Copyright (C) 1995,1996,1997 Lars Fenneberg
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*
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* See the file COPYRIGHT for the respective terms and conditions.
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* If the file is missing contact me at lf@elemental.net
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* and I'll send you a copy.
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*
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*/
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#include <config.h>
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#include <includes.h>
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#include <freeradius-client.h>
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/*
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* Function: rc_new_env
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*
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* Purpose: allocate space for a new environment
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*
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*/
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ENV *rc_new_env(int size)
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{
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ENV *p;
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if (size < 1)
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return NULL;
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if ((p = malloc(sizeof(*p))) == NULL)
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return NULL;
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if ((p->env = malloc(size * sizeof(char *))) == NULL)
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{
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rc_log(LOG_CRIT, "rc_new_env: out of memory");
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free(p);
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return NULL;
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}
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p->env[0] = NULL;
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p->size = 0;
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p->maxsize = size;
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return p;
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}
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/*
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* Function: rc_free_env
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*
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* Purpose: free the space used by an env structure
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*
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*/
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void rc_free_env(ENV *env)
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{
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free(env->env);
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free(env);
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}
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/*
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* Function: rc_add_env
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*
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* Purpose: add an environment entry
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*
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*/
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int rc_add_env(ENV *env, char *name, char *value)
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{
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int i;
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char *new_env;
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for (i = 0; env->env[i] != NULL; i++)
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{
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if (strncmp(env->env[i], name, MAX(strchr(env->env[i], '=') - env->env[i], (int)strlen(name))) == 0)
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break;
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}
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if (env->env[i])
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{
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if ((new_env = realloc(env->env[i], strlen(name)+strlen(value)+2)) == NULL)
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return -1;
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env->env[i] = new_env;
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sprintf(env->env[i],"%s=%s", name, value);
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} else {
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if (env->size == (env->maxsize-1)) {
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rc_log(LOG_CRIT, "rc_add_env: not enough space for environment (increase ENV_SIZE)");
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return -1;
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}
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if ((env->env[env->size] = malloc(strlen(name)+strlen(value)+2)) == NULL) {
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rc_log(LOG_CRIT, "rc_add_env: out of memory");
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return -1;
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}
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sprintf(env->env[env->size],"%s=%s", name, value);
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env->size++;
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env->env[env->size] = NULL;
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}
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return 0;
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}
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/*
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* Function: rc_import_env
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*
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* Purpose: imports an array of null-terminated strings
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*
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*/
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int rc_import_env(ENV *env, char **import)
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{
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char *es;
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while (*import)
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{
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es = strchr(*import, '=');
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if (!es)
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{
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import++;
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continue;
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}
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/* ok, i grant thats not very clean... */
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*es = '\0';
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if (rc_add_env(env, *import, es+1) < 0)
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{
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*es = '=';
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return -1;
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}
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*es = '=';
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import++;
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}
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return 0;
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}
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