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 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 33 void check_select(int id) 34 { 35 my_id = id; 36 add_hook(&match_select, SELECT_HOOK); 37 } 38