#include <stdio.h>

#include <libc-diag.h>

static int

do_test (void)

{

  static const char buf[] = " ";

  char *str;

  /* GCC in C99 mode treats %a as the C99 format expecting float *,

     but glibc with _GNU_SOURCE treats %as as the GNU allocation

     extension, so resulting in "warning: format '%a' expects argument

     of type 'float *', but argument 3 has type 'char **'".  This

     applies to the other %as, %aS and %a[] formats below as well.  */

  DIAG_PUSH_NEEDS_COMMENT;

  DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");

  int r = sscanf (buf, "%as", &str);

  DIAG_POP_NEEDS_COMMENT;

  printf ("%d %p\n", r, str);

  return r != -1 || str != NULL;

}

#define TEST_FUNCTION do_test ()

#include "../test-skeleton.c"