gcc/testsuite/gcc.c-torture/execute/builtins/lib/strnlen.c

   1 typedef __SIZE_TYPE__ size_t;
   2
   3 extern void abort (void);
   4 extern int inside_main;
   5
   6 __attribute__ ((__noinline__))
   7 size_t
   8 strnlen (const char *s, size_t n)
   9 {
  10   size_t i;
  11
  12 #ifdef __OPTIMIZE__
  13   if (inside_main)
  14     abort ();
  15 #endif
  16
  17   i = 0;
  18   while (s[i] != 0 && n--)
  19     i++;
  20
  21   return i;
  22 }