From: Tilghman Lesher <tilghman@meg.abyt.es>
Date: Tue, 25 Sep 2007 14:13:25 +0000 (+0000)
Subject: jmls pointed out that unsetting the group and setting the group to the blank string... 
X-Git-Tag: 1.4.12~36
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=20e50a731bf58324c41d96cfb5a67db6a55c80e5;p=thirdparty%2Fasterisk.git

jmls pointed out that unsetting the group and setting the group to the blank string aren't quite the same.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@83773 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/app.c b/main/app.c
index d65ff53f7a..c84bd0f54c 100644
--- a/main/app.c
+++ b/main/app.c
@@ -814,8 +814,10 @@ int ast_app_group_set_channel(struct ast_channel *chan, const char *data)
 		}
 	}
 	AST_LIST_TRAVERSE_SAFE_END
-	
-	if ((gi = calloc(1, len))) {
+
+	if (ast_strlen_zero(group)) {
+		/* Enable unsetting the group */
+	} else if ((gi = calloc(1, len))) {
 		gi->chan = chan;
 		gi->group = (char *) gi + sizeof(*gi);
 		strcpy(gi->group, group);