Merged revisions 258433 via svnmerge from

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

................
  r258433 | jpeeler | 2010-04-21 16:56:09 -0500 (Wed, 21 Apr 2010) | 15 lines
  
  Merged revisions 258432 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r258432 | jpeeler | 2010-04-21 16:45:36 -0500 (Wed, 21 Apr 2010) | 8 lines
    
    Fix looping forever when no input received in certain voicemail menu scenarios.
    
    Specifically, prompting for an extension (when leaving or forwarding a message)
    or when prompting for a digit (when saving a message or changing folders).
    
    ABE-2122
    SWP-1268
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.1@258435 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -6190,10 +6190,16 @@ static int get_folder(struct ast_channel *chan, int start)
 static int get_folder2(struct ast_channel *chan, char *fn, int start)
 {
 	int res = 0;
+	int loops = 0;
 	res = ast_play_and_wait(chan, fn);	/* Folder name */
 	while (((res < '0') || (res > '9')) &&
-			(res != '#') && (res >= 0)) {
+			(res != '#') && (res >= 0) &&
+			loops < 4) {
 		res = get_folder(chan, 0);
+		loops++;
+	}
+	if (loops == 4) { /* give up */
+		return '#';
 	}
 	return res;
 }
@@ -6508,6 +6514,7 @@ static int forward_message(struct ast_channel *chan, char *context, struct vm_st
 	int curmsg;
 	char urgent_str[7] = "";
 	char tmptxtfile[PATH_MAX];
+	int prompt_played = 0;
 #ifndef IMAP_STORAGE
 	char msgfile[PATH_MAX], textfile[PATH_MAX], backup[PATH_MAX], backup_textfile[PATH_MAX];
 #endif
@@ -6593,7 +6600,8 @@ static int forward_message(struct ast_channel *chan, char *context, struct vm_st
 		} else {
 			/* Ask for an extension */
 			res = ast_streamfile(chan, "vm-extension", chan->language);	/* "extension" */
-			if (res)
+			prompt_played++;
+			if (res || prompt_played > 4)
 				break;
 			if ((res = ast_readstring(chan, username, sizeof(username) - 1, 2000, 10000, "#") < 0))
 				break;