va-arg-23.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 27 行

/* PR 9700 */
/* Alpha got the base address for the va_list incorrect when there was
   a structure that was passed partially in registers and partially on
   the stack.  */

#include <stdarg.h>

struct two { long x, y; };

void foo(int a, int b, int c, int d, int e, struct two f, int g, ...)
{
  va_list args;
  int h;

  va_start(args, g);
  h = va_arg(args, int);
  if (g != 1 || h != 2)
    abort ();
}

int main()
{
  struct two t = { 0, 0 };
  foo(0, 0, 0, 0, 0, t, 1, 2);
  return 0;
}