openldap/libraries/librewrite/params.c
2001-06-23 16:06:34 +00:00

141 lines
3.5 KiB
C

/******************************************************************************
*
* Copyright (C) 2000 Pierangelo Masarati, <ando@sys-net.it>
* All rights reserved.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
*
******************************************************************************/
#include <portable.h>
#include "rewrite-int.h"
/*
* Defines and inits a variable with global scope
*/
int
rewrite_param_set(
struct rewrite_info *info,
const char *name,
const char *value
)
{
struct rewrite_var *var;
assert( info != NULL );
assert( name != NULL );
assert( value != NULL );
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
var = rewrite_var_find( info->li_params, name );
if ( var != NULL ) {
assert( var->lv_value.bv_val != NULL );
free( var->lv_value.bv_val );
var->lv_value.bv_val = strdup( value );
var->lv_value.bv_len = strlen( value );
} else {
var = rewrite_var_insert( &info->li_params, name, value );
if ( var == NULL ) {
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wunlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return REWRITE_ERR;
}
}
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wunlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return REWRITE_SUCCESS;
}
/*
* Gets a var with global scope
*/
int
rewrite_param_get(
struct rewrite_info *info,
const char *name,
struct berval *value
)
{
struct rewrite_var *var;
assert( info != NULL );
assert( name != NULL );
assert( value != NULL );
value->bv_val = NULL;
value->bv_len = 0;
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_rlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
var = rewrite_var_find( info->li_params, name );
if ( var == NULL ) {
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_runlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return REWRITE_ERR;
} else {
value->bv_val = strdup( var->lv_value.bv_val );
value->bv_len = var->lv_value.bv_len;
}
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_runlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return REWRITE_SUCCESS;
}
/*
* Destroys the parameter tree
*/
int
rewrite_param_destroy(
struct rewrite_info *info
)
{
int count;
assert( info != NULL );
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
count = avl_free( info->li_params, NULL );
info->li_params = NULL;
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wunlock( &info->li_params_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return REWRITE_SUCCESS;
}