gcc/testsuite/gcc.c-torture/execute/20050218-1.c

   1 /* PR tree-optimization/19828 */
   2 typedef __SIZE_TYPE__ size_t;
   3 extern size_t strlen (const char *s);
   4 extern int strncmp (const char *s1, const char *s2, size_t n);
   5 extern void abort (void);
   6
   7 const char *a[16] = { "a", "bc", "de", "fgh" };
   8
   9 int
  10 foo (char *x, const char *y, size_t n)
  11 {
  12   size_t i, j = 0;
  13   for (i = 0; i < n; i++)
  14     {
  15       if (strncmp (x + j, a[i], strlen (a[i])) != 0)
  16         return 2;
  17       j += strlen (a[i]);
  18       if (y)
  19         j += strlen (y);
  20     }
  21   return 0;
  22 }
  23
  24 int
  25 main (void)
  26 {
  27   if (foo ("abcde", (const char *) 0, 3) != 0)
  28     abort ();
  29   return 0;
  30 }