Bug 6830 - Let GosubIf work with the same conditions as a GotoIf (change in API approved by Russell)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@16192 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_stack.c

@@ -139,7 +139,7 @@ static int gosubif_exec(struct ast_channel *chan, void *data)
 	label1 = strsep(&args, ":");
 	label2 = args;
 
-	if (ast_true(condition)) {
+	if (pbx_checkcondition(condition)) {
 		if (label1) {
 			res = gosub_exec(chan, label1);
 		}

include/asterisk/pbx.h

@@ -569,6 +569,9 @@ int ast_pbx_outgoing_exten(const char *type, int format, void *data, int timeout
    particular application with given extension */
 int ast_pbx_outgoing_app(const char *type, int format, void *data, int timeout, const char *app, const char *appdata, int *reason, int sync, const char *cid_num, const char *cid_name, struct ast_variable *vars, const char *account, struct ast_channel **locked_channel);
 
+/* Evaluate a condition for non-falseness and return a boolean */
+int pbx_checkcondition(char *condition);
+
 /* Functions for returning values from structures */
 const char *ast_get_context_name(struct ast_context *con);
 const char *ast_get_extension_name(struct ast_exten *exten);

pbx.c

@@ -6107,7 +6107,7 @@ void pbx_builtin_clear_globals(void)
 	ast_mutex_unlock(&globalslock);
 }
 
-static int pbx_checkcondition(char *condition) 
+int pbx_checkcondition(char *condition) 
 {
 	if (condition) {
 		if (*condition == '\0') {