gcc/testsuite/gcc.c-torture/execute/20010915-1.c

   1 /* Bug in reorg.c, deleting the "++" in the last loop in main.
   2    Origin: <hp@axis.com>.  */
   3
   4 extern void f (void);
   5 extern int x (int, char **);
   6 extern int r (const char *);
   7 extern char *s (char *, char **);
   8 extern char *m (char *);
   9 char *u;
  10 char *h;
  11 int check = 0;
  12 int o = 0;
  13
  14 int main (int argc, char **argv)
  15 {
  16   char *args[] = {"a", "b", "c", "d", "e"};
  17   if (x (5, args) != 0 || check != 2 || o != 5)
  18     abort ();
  19   exit (0);
  20 }
  21
  22 int x (int argc, char **argv)
  23 {
  24   int opt = 0;
  25   char *g = 0;
  26   char *p = 0;
  27
  28   if (argc > o && argc > 2 && argv[o])
  29     {
  30       g = s (argv[o], &p);
  31       if (g)
  32         {
  33           *g++ = '\0';
  34           h = s (g, &p);
  35           if (g == p)
  36             h = m (g);
  37         }
  38       u = s (argv[o], &p);
  39       if (argv[o] == p)
  40         u = m (argv[o]);
  41     }
  42   else
  43     abort ();
  44
  45   while (++o < argc)
  46     if (r (argv[o]) == 0)
  47       return 1;
  48
  49   return 0;
  50 }
  51
  52 char *m (char *x) { abort (); }
  53 char *s (char *v, char **pp)
  54 {
  55   if (strcmp (v, "a") != 0 || check++ > 1)
  56     abort ();
  57   *pp = v+1;
  58   return 0;
  59 }
  60
  61 int r (const char *f)
  62 {
  63   static char c[2] = "b";
  64   static int cnt = 0;
  65
  66   if (*f != *c || f[1] != c[1] || cnt > 3)
  67     abort ();
  68   c[0]++;
  69   cnt++;
  70   return 1;
  71 }