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;
+}