param_key: remove some bogus warning messages
[smatch.git] / check_divide_condition.c
blob9a0cf5b185e99a312a20f86170a5e58994ff3226
1 /*
2 * Copyright (C) 2022 Dan Carpenter.
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.
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.
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
18 #include "smatch.h"
19 #include "smatch_extra.h"
21 static int my_id;
23 static void match_condition1(struct expression *expr)
25 char *left, *right;
27 if (expr->type != EXPR_BINOP || expr->op != '/')
28 return;
30 if (get_macro_name(expr->pos))
31 return;
33 left = expr_to_str(expr->left);
34 right = expr_to_str(expr->right);
35 sm_warning("replace divide condition '%s / %s' with '%s >= %s'",
36 left, right, left, right);
37 free_string(left);
38 free_string(right);
41 void check_divide_condition(int id)
43 my_id = id;
45 add_hook(&match_condition1, CONDITION_HOOK);