1*1f5207b7SJohn Levon /*
2*1f5207b7SJohn Levon  * Copyright (C) 2010 Dan Carpenter.
3*1f5207b7SJohn Levon  *
4*1f5207b7SJohn Levon  * This program is free software; you can redistribute it and/or
5*1f5207b7SJohn Levon  * modify it under the terms of the GNU General Public License
6*1f5207b7SJohn Levon  * as published by the Free Software Foundation; either version 2
7*1f5207b7SJohn Levon  * of the License, or (at your option) any later version.
8*1f5207b7SJohn Levon  *
9*1f5207b7SJohn Levon  * This program is distributed in the hope that it will be useful,
10*1f5207b7SJohn Levon  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11*1f5207b7SJohn Levon  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12*1f5207b7SJohn Levon  * GNU General Public License for more details.
13*1f5207b7SJohn Levon  *
14*1f5207b7SJohn Levon  * You should have received a copy of the GNU General Public License
15*1f5207b7SJohn Levon  * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
16*1f5207b7SJohn Levon  */
17*1f5207b7SJohn Levon 
18*1f5207b7SJohn Levon #include "smatch.h"
19*1f5207b7SJohn Levon #include "smatch_slist.h"
20*1f5207b7SJohn Levon 
21*1f5207b7SJohn Levon static int my_id;
22*1f5207b7SJohn Levon 
match_select(struct expression * expr)23*1f5207b7SJohn Levon static void match_select(struct expression *expr)
24*1f5207b7SJohn Levon {
25*1f5207b7SJohn Levon 	if (expr->cond_true)
26*1f5207b7SJohn Levon 		return;
27*1f5207b7SJohn Levon 	expr = strip_expr(expr->conditional);
28*1f5207b7SJohn Levon 	if (expr->type != EXPR_COMPARE)
29*1f5207b7SJohn Levon 		return;
30*1f5207b7SJohn Levon 	sm_warning("boolean comparison inside select");
31*1f5207b7SJohn Levon }
32*1f5207b7SJohn Levon 
check_select(int id)33*1f5207b7SJohn Levon void check_select(int id)
34*1f5207b7SJohn Levon {
35*1f5207b7SJohn Levon 	my_id = id;
36*1f5207b7SJohn Levon 	add_hook(&match_select, SELECT_HOOK);
37*1f5207b7SJohn Levon }
38