1 /*
2  * Copyright (C) 2010 Dan Carpenter.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16  */
17 
18 #include "smatch.h"
19 #include "smatch_slist.h"
20 
21 static int my_id;
22 
match_select(struct expression * expr)23 static void match_select(struct expression *expr)
24 {
25 	if (expr->cond_true)
26 		return;
27 	expr = strip_expr(expr->conditional);
28 	if (expr->type != EXPR_COMPARE)
29 		return;
30 	sm_warning("boolean comparison inside select");
31 }
32 
check_select(int id)33 void check_select(int id)
34 {
35 	my_id = id;
36 	add_hook(&match_select, SELECT_HOOK);
37 }
38