/* Id: test-attribute.c,v 1.1 2020/06/22 20:00:38 schwarze Exp  */
/*
* Copyright (c) 2020 Ingo Schwarze <[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>

void     var_arg(const char *, ...)
               __attribute__((__format__ (__printf__, 1, 2)));
void     no_ret(int)
               __attribute__((__noreturn__));

void
var_arg(const char *fmt, ...)
{
       va_list  ap;

       va_start(ap, fmt);
       vprintf(fmt, ap);
       va_end(ap);
}

void
no_ret(int i)
{
       exit(i);
}

int
main(void)
{
       var_arg("Test output: %d\n", 42);
       no_ret(0);
}