11506 smatch resync

          --- old/usr/src/tools/smatch/src/smatch_statement_count.c
          +++ new/usr/src/tools/smatch/src/smatch_statement_count.c

   1    1  /*
   2    2   * Copyright (C) 2018 Oracle.
   3    3   *
   4    4   * This program is free software; you can redistribute it and/or
   5    5   * modify it under the terms of the GNU General Public License
   6    6   * as published by the Free Software Foundation; either version 2
   7    7   * of the License, or (at your option) any later version.
   8    8   *
   9    9   * This program is distributed in the hope that it will be useful,
  10   10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   12   * GNU General Public License for more details.
  13   13   *
  14   14   * You should have received a copy of the GNU General Public License
  15   15   * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
  16   16   */
  17   17  
  18   18  #include <stdlib.h>
  19   19  #include "parse.h"
  20   20  #include "smatch.h"
  21   21  #include "smatch_slist.h"
  22   22  #include "smatch_extra.h"
  23   23  
  24   24  static int my_id;
  25   25  
  26   26  static struct smatch_state *merge_states(struct smatch_state *s1, struct smatch_state *s2)
  27   27  {
  28   28          int left, right, min;
  29   29  
  30   30          left = PTR_INT(s1->data);
  31   31          right = PTR_INT(s2->data);
  32   32  
  33   33          min = left;
  34   34          if (right < min)
  35   35                  min = right;
  36   36          return alloc_state_num(min);
  37   37  }
  38   38  
  39   39  long get_stmt_cnt(void)
  40   40  {
  41   41          struct smatch_state *state;
  42   42  
  43   43          state = get_state(my_id, "stmts", NULL);
  44   44          if (!state)
  45   45                  return 0;
  46   46          return (long)state->data;
  47   47  }
  48   48  
  49   49  static void match_statement(struct statement *stmt)
  50   50  {
  51   51          int cnt;
  52   52  
  53   53          cnt = get_stmt_cnt();
  54   54          cnt++;
  55   55          set_state(my_id, "stmts", NULL, alloc_state_num(cnt));
  56   56  }
  57   57  
  58   58  static void insert_return_info(int return_id, char *return_ranges, struct expression *expr)
  59   59  {
  60   60          char buf[32];
  61   61          int cnt;
  62   62  
  63   63          cnt = get_stmt_cnt();
  64   64          snprintf(buf, sizeof(buf), "%d", cnt);
  65   65          sql_insert_return_states(return_id, return_ranges, STMT_CNT, -1, "", buf);
  66   66  }
  67   67  
  68   68  static void select_return_info(struct expression *expr, int param, char *key, char *value)
  69   69  {
  70   70          int cnt, add;
  71   71  

  72   72          cnt = get_stmt_cnt();
  73   73          add = atoi(value);
  74   74  
  75   75          set_state(my_id, "stmts", NULL, alloc_state_num(cnt + add));
  76   76  }
  77   77  
  78   78  void register_statement_count(int id)
  79   79  {
  80   80          my_id = id;
  81   81  
       82 +        set_dynamic_states(my_id);
  82   83          add_hook(match_statement, STMT_HOOK);
  83   84          add_merge_hook(my_id, &merge_states);
  84   85  
  85   86          add_split_return_callback(&insert_return_info);
  86   87          select_return_states_hook(STMT_CNT, &select_return_info);
  87   88  }
  88   89  
    

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