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/*
ldb database library
Copyright (C) Andrew Tridgell 2010
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Name: ldb
*
* Component: ldb options[] handling
*
* Author: Andrew Tridgell
*/
#include "ldb_private.h"
/*
find an option within an options array
accepts the following forms:
NAME
NAME:value
NAME=value
returns a pointer into an element of the options[] array, or NULL is
not found.
For the NAME form, returns a pointer to an empty string (thus
allowing for boolean options).
*/
const char *ldb_options_find(struct ldb_context *ldb, const char *options[],
const char *option_name)
{
size_t len = strlen(option_name);
int i;
if (options == NULL) {
return NULL;
}
for (i=0; options[i]; i++) {
if (strncmp(option_name, options[i], len) != 0) {
continue;
}
if (options[i][len] == ':' || options[i][len] == '=') {
return &options[i][len+1];
}
if (options[i][len] == 0) {
return &options[i][len];
}
}
return NULL;
}
const char **ldb_options_copy(TALLOC_CTX *ctx, const char *options[])
{
size_t num_options = 0;
const char **copy = NULL;
size_t i = 0;
if (options == NULL) {
return copy;
}
for (i=0; options[i]; i++) {
num_options++;
}
copy = talloc_zero_array(ctx, const char *, num_options + 1);
if (copy == NULL) {
return copy;
}
for (i=0; options[i]; i++) {
copy[i] = talloc_strdup(copy, options[i]);
if (copy[i] == NULL) {
TALLOC_FREE(copy);
return copy;
}
}
return copy;
}
const char **ldb_options_get(struct ldb_context *ldb)
{
return ldb->options;
}
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