fix setlanguage seg fault (bug #2641)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4005 65c4cc65-6c06-0410-ace0-fbb531ad65f3
21 years ago · 663636b515
parent 8bccbf9afb
commit 663636b515
1 changed files with 2 additions and 1 deletions
--- a/pbx.c
+++ b/pbx.c
@ -4381,7 +4381,8 @@ static int pbx_builtin_answer(struct ast_channel *chan, void *data)
 static int pbx_builtin_setlanguage(struct ast_channel *chan, void *data)
 {
 	/* Copy the language as specified */
-	strncpy(chan->language, (char *)data, sizeof(chan->language)-1);
+	if (data)	
+		strncpy(chan->language, (char *)data, sizeof(chan->language)-1);
 	return 0;
 }