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-rw-r--r--lib/ldb/common/ldb_options.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/lib/ldb/common/ldb_options.c b/lib/ldb/common/ldb_options.c
new file mode 100644
index 0000000..ee8c728
--- /dev/null
+++ b/lib/ldb/common/ldb_options.c
@@ -0,0 +1,107 @@
+/*
+ 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;
+}