Fix tab completion when you just do a plain tab without entering anything, and also fix show application tab completion. (issue #7089 reported by blitzrage)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@28792 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cli.c

@@ -1313,7 +1313,7 @@ static char *__ast_cli_generator(const char *text, const char *word, int state,
 	int matchnum=0;
 	char *ret = NULL;
 	char matchstr[80] = "";
-	int tws;
+	int tws = 0;
 	char *dup = parse_args(text, &x, argv, sizeof(argv) / sizeof(argv[0]), &tws);
 
 	if (!dup)	/* error */
@@ -1321,9 +1321,12 @@ static char *__ast_cli_generator(const char *text, const char *word, int state,
 	argindex = (!ast_strlen_zero(word) && x>0) ? x-1 : x;
 	/* rebuild the command, ignore tws */
 	ast_join(matchstr, sizeof(matchstr)-1, argv);
-	if (tws)
-		strcat(matchstr, " "); /* XXX */
 	matchlen = strlen(matchstr);
+	if (tws) {
+		strcat(matchstr, " "); /* XXX */
+		if (matchlen)
+			matchlen++;
+	}
 	if (lock)
 		AST_LIST_LOCK(&helpers);
 	while( !ret && (e = cli_next(&i)) ) {

pbx.c

@@ -2864,8 +2864,10 @@ static char *complete_show_application(const char *line, const char *word, int p
 	/* return the n-th [partial] matching entry */
 	AST_LIST_LOCK(&apps);
 	AST_LIST_TRAVERSE(&apps, a, list) {
-		if (!strncasecmp(word, a->name, wordlen) && ++which > state)
+		if (!strncasecmp(word, a->name, wordlen) && ++which > state) {
 			ret = strdup(a->name);
+			break;
+		}
 	}
 	AST_LIST_UNLOCK(&apps);