Adding dialplan function IFMODULE, so you can create dialplans that handle

various PBX installations and checks if a module is loaded before using
it.
	example IFMODULE(chan_sip3.so)

issue #6671 in the bug tracker, finally gone. Thanks to mithraen for keeping
it updated.


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@46513 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 20 insertions, 0 deletions

diff --git a/main/loader.c b/main/loader.c
index 192cbd894..c0636142a 100644
--- a/main/loader.c
+++ b/main/loader.c
@@ -871,6 +871,26 @@ int ast_update_module_list(int (*modentry)(const char *module, const char *descr
 	return total_mod_loaded;
 }
 
+int ast_module_check(char *name)
+{
+	struct ast_module *cur;
+	int unlock = -1;
+	int res = 0;
+
+	if (ast_strlen_zero(name))
+		return 0;       /* FALSE */
+
+	if (ast_mutex_trylock(&module_list.lock))
+		unlock = 0;
+	AST_LIST_TRAVERSE(&module_list, cur, entry)
+	if (!res && !strcasecmp(name, cur->resource))
+		res = 1;
+	if (unlock)
+		AST_LIST_UNLOCK(&module_list);
+	return res;
+}
+
+
 int ast_loader_register(int (*v)(void))
 {
 	struct loadupdate *tmp;