check_wine.c

   1 /*
   2  * Copyright (C) 2016 Oracle.
   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 /*
  19  * This is wine specific stuff for smatch_extra.
  20  */
  21
  22 #include "scope.h"
  23 #include "smatch.h"
  24 #include "smatch_extra.h"
  25
  26 /* report (R_FATAL, "Can't get OS version."); */
  27 void match_fatal_report(const char *fn, struct expression *expr,
  28                         void *unused)
  29 {
  30         struct expression *arg;
  31         sval_t sval;
  32
  33         arg = get_argument_from_call_expr(expr->args, 0);
  34         if (!get_implied_value(arg, &sval))
  35                 return;
  36
  37         /* R_FATAL is 9. */
  38         if (sval.value == 9)
  39                 nullify_path();
  40 }
  41
  42
  43 void check_wine(int id)
  44 {
  45         if (option_project != PROJ_WINE)
  46                 return;
  47
  48         add_function_hook("report", &match_fatal_report, NULL);
  49 }