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

   1 extern void abort(void);
   2 extern int inside_main;
   3
   4 typedef __SIZE_TYPE__ size_t;
   5
   6 char *
   7 strncpy(char *s1, const char *s2, size_t n)
   8 {
   9   char *dest = s1;
  10 #ifdef __OPTIMIZE__
  11   if (inside_main)
  12     abort();
  13 #endif
  14   for (; *s2 && n; n--)
  15     *s1++ = *s2++;
  16   while (n--)
  17     *s1++ = 0;
  18   return dest;
  19 }
  20