check_db_info.c

   1 /*
   2  * smatch/check_db_info.c
   3  *
   4  * Copyright (C) 2010 Dan Carpenter.
   5  *
   6  * Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 #include "smatch.h"
  11 #include "smatch_extra.h"
  12
  13 static int my_id;
  14
  15 static void match_return(struct expression *ret_value)
  16 {
  17         struct smatch_state *state;
  18         long long val;
  19
  20         if (!ret_value)
  21                 return;
  22
  23         if (get_value(ret_value, &val)) {
  24                 sm_msg("info: return_value %lld", val);
  25                 return;
  26         }
  27         state = get_state_expr(SMATCH_EXTRA, ret_value);
  28         if (!state) {
  29                 sm_msg("info: return_value unknown");
  30                 return;
  31         }
  32         sm_msg("info: return_value %s", state->name);
  33 }
  34
  35 void check_db_info(int id)
  36 {
  37         if (!option_info)
  38                 return;
  39         my_id = id;
  40         add_hook(&match_return, RETURN_HOOK);
  41 }