Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-options -w } */

/* count() used to give 1 owing to a buggy test for varargs.  */

#define count(y...)  count1 ( , ##y)

#define count1(y...) count2 (y,1,0)

#define count2(_,x0,n,y...) n

#if count() != 0 || count(A) != 1

#error Incorrect vararg argument counts

#endif

/* Test for changed behavior of the GNU varargs extension.

   ##args, where args is a rest argument which received zero tokens,

   used to delete the previous sequence of nonwhitespace characters.

   Now it deletes the previous token.  */

#include <string.h>

#define S(str, args...) "  " str "\n", ##args

int

main()

{

  const char *s = S("foo");

  return strchr (s, '\n') == NULL;

}