Merged revisions 152646 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

........
r152646 | mmichelson | 2008-10-29 15:53:53 -0500 (Wed, 29 Oct 2008) | 9 lines

If there was no named defined in a voicemail.conf mailbox
entry, then app_directory would crash when attempting to
read that entry from the file. We now check for the NULL
or empty string properly so that there will be no crash.

(closes issue #13804)
Reported by: bluecrow76


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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@152647 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_directory.c

@@ -222,6 +222,10 @@ static int compare(const char *text, const char *template)
 {
 	char digit;
 
+	if (ast_strlen_zero(text)) {
+		return -1;
+	}
+
 	while (*template) {
 		digit = toupper(*text++);
 		switch (digit) {