smatch.c

   1 /*
   2  * sparse/smatch.c
   3  *
   4  * Copyright (C) 2006 Dan Carpenter.
   5  *
   6  *  Licensed under the Open Software License version 1.1
   7  *
   8  */
   9
  10 #include <stdio.h>
  11 #include "smatch.h"
  12
  13 typedef void (*reg_func) (int id);
  14 void register_derefed_params(int id);
  15 void register_null_deref(int id);
  16 void register_smatch_extra(int id);
  17 void register_smatch_ignore(int id);
  18 void register_overflow(int id);
  19 void register_locking(int id);
  20 void register_memory(int id);
  21 void register_implications(int id);
  22 /* <- your test goes here */
  23 /* void register_template(int id); */
  24
  25 const reg_func reg_funcs[] = {
  26         &register_smatch_extra, /* smatch_extra always has to be first */
  27         &register_smatch_ignore,
  28         &register_null_deref,
  29         &register_overflow,
  30         &register_locking,
  31         &register_memory,
  32
  33         /* <- your test goes here */
  34         /* &register_template, */
  35
  36         &register_implications, /* implications always has to be last */
  37         NULL
  38 };
  39
  40 void help()
  41 {
  42         printf("Usage:  smatch [smatch arguments][sparse arguments] file.c\n");
  43         printf("--debug:  print lots of debug output.\n");
  44         printf("--debug-implied:  print debug output about implications.\n");
  45         printf("--assume-loops:  assume loops always go through at least once.\n");
  46         exit(1);
  47 }
  48
  49 int main(int argc, char **argv)
  50 {
  51         int i;
  52         reg_func func;
  53
  54         /* The script IDs start at 1.
  55            0 is used for internal stuff. */
  56         for(i = 0; (func = reg_funcs[i]); i++){
  57                 func(i + 1);
  58         }
  59
  60         while(argc >= 2) {
  61                 if (!strcmp(argv[1], "--debug")) {
  62                         debug_states = 1;
  63                 } else if (!strcmp(argv[1], "--debug-implied")) {
  64                         debug_implied_states = 1;
  65                 } else if (!strcmp(argv[1], "--no-implied")) {
  66                         option_no_implied = 1;
  67                 } else if (!strcmp(argv[1], "--assume-loops")) {
  68                         option_assume_loops = 1;
  69                 } else if (!strcmp(argv[1], "--help")) {
  70                         help();
  71                 } else {
  72                         break;
  73                 }
  74                 argc--;
  75                 argv++;
  76         }
  77
  78         smatch(argc, argv);
  79         return 0;
  80 }