1*1f5207b7SJohn Levon /* 2*1f5207b7SJohn Levon * Copyright (C) 2013 Oracle. 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 /* 19*1f5207b7SJohn Levon * struct foo { char buf[10]; }; 20*1f5207b7SJohn Levon * 21*1f5207b7SJohn Levon * struct foo *p = something(); 22*1f5207b7SJohn Levon * if (p->buf) { ... 23*1f5207b7SJohn Levon * 24*1f5207b7SJohn Levon */ 25*1f5207b7SJohn Levon 26*1f5207b7SJohn Levon #include "smatch.h" 27*1f5207b7SJohn Levon 28*1f5207b7SJohn Levon static int my_id; 29*1f5207b7SJohn Levon match_condition(struct expression * expr)30*1f5207b7SJohn Levonstatic void match_condition(struct expression *expr) 31*1f5207b7SJohn Levon { 32*1f5207b7SJohn Levon struct symbol *type; 33*1f5207b7SJohn Levon char *str; 34*1f5207b7SJohn Levon 35*1f5207b7SJohn Levon if (expr->type != EXPR_DEREF) 36*1f5207b7SJohn Levon return; 37*1f5207b7SJohn Levon type = get_type(expr); 38*1f5207b7SJohn Levon if (!type || type->type != SYM_ARRAY) 39*1f5207b7SJohn Levon return; 40*1f5207b7SJohn Levon if (get_macro_name(expr->pos)) 41*1f5207b7SJohn Levon return; 42*1f5207b7SJohn Levon 43*1f5207b7SJohn Levon str = expr_to_str(expr); 44*1f5207b7SJohn Levon sm_warning("this array is probably non-NULL. '%s'", str); 45*1f5207b7SJohn Levon free_string(str); 46*1f5207b7SJohn Levon } 47*1f5207b7SJohn Levon check_array_condition(int id)48*1f5207b7SJohn Levonvoid check_array_condition(int id) 49*1f5207b7SJohn Levon { 50*1f5207b7SJohn Levon my_id = id; 51*1f5207b7SJohn Levon add_hook(&match_condition, CONDITION_HOOK); 52*1f5207b7SJohn Levon } 53