config: Create ast_variable_find_in_list()

Add
const char *ast_variable_find_in_list(const struct ast_variable *list,
   const char *variable);

ast_variable_find() requires a config category to search whereas
ast_variable_find_in_list() just needs the root list element which is
useful if you don't have a category.

Tested-by: George Joseph

Review: https://reviewboard.asterisk.org/r/4217/
........

Merged revisions 428733 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/13@428734 65c4cc65-6c06-0410-ace0-fbb531ad65f3

1 files changed, 7 insertions, 2 deletions

diff --git a/main/config.c b/main/config.c
index 95f0b696e..fe3ad3f9a 100644
--- a/main/config.c
+++ b/main/config.c
@@ -720,9 +720,14 @@ const char *ast_variable_retrieve_filtered(struct ast_config *config,
 
 const char *ast_variable_find(const struct ast_category *category, const char *variable)
 {
-	struct ast_variable *v;
+	return ast_variable_find_in_list(category->root, variable);
+}
+
+const char *ast_variable_find_in_list(const struct ast_variable *list, const char *variable)
+{
+	const struct ast_variable *v;
 
-	for (v = category->root; v; v = v->next) {
+	for (v = list; v; v = v->next) {
 		if (!strcasecmp(variable, v->name)) {
 			return v->value;
 		}