smatch_ignore.c

   1 /*
   2  * Copyright (C) 2009 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
  20 static struct tracker_list *ignored;
  21
  22 void add_ignore(int owner, const char *name, struct symbol *sym)
  23 {
  24         struct tracker *tmp;
  25
  26         tmp = malloc(sizeof(*tmp));
  27         tmp->name = alloc_string(name);
  28         tmp->owner = owner;
  29         tmp->sym = sym;
  30         add_ptr_list(&ignored, tmp);
  31 }
  32
  33 int is_ignored(int owner, const char *name, struct symbol *sym)
  34 {
  35         struct tracker *tmp;
  36
  37         FOR_EACH_PTR(ignored, tmp) {
  38                 if (tmp->owner == owner && tmp->sym == sym
  39                     && !strcmp(tmp->name, name))
  40                         return 1;
  41         } END_FOR_EACH_PTR(tmp);
  42         return 0;
  43 }
  44
  45 static void clear_ignores(void)
  46 {
  47         if (__inline_fn)
  48                 return;
  49         __free_ptr_list((struct ptr_list **)&ignored);
  50 }
  51
  52 void register_smatch_ignore(int id)
  53 {
  54         add_hook(&clear_ignores, AFTER_FUNC_HOOK);
  55 }