sdcc/support/regression/tests/gcc-torture-execute-va-arg-11.c

   1 /*
   2 va-arg-11.c from the execute part of the gcc torture tests.
   3 */
   4
   5 #include <testfwk.h>
   6
   7 /* Test va_arg when the result is ignored and only the pointer increment
   8    side effect is used.  */
   9 #include <stdarg.h>
  10
  11 static int
  12 foo (int a, ...)
  13 {
  14   va_list va;
  15   int i, res;
  16
  17   va_start (va, a);
  18
  19   for (i = 0; i < 4; ++i)
  20     (void) va_arg (va, int);
  21
  22   res = va_arg (va, int);
  23
  24   va_end (va);
  25
  26   return res;
  27 }
  28
  29 void
  30 testTortureExecute (void)
  31 {
  32   if (foo (5, 4, 3, 2, 1, 0))
  33     ASSERT (0);
  34   return;
  35 }