/*

 * Copyright (c) 2016 Nicholas Marriott <nicholas.marriott@gmail.com>

 *

 * 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 MIND, 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 <sys/types.h>

#include <stdarg.h>

#include <stdlib.h>

#include <string.h>

#include "compat.h"

#if defined(HAVE_PRCTL) && defined(HAVE_PR_SET_NAME)

#include <sys/prctl.h>

void

setproctitle(const char *fmt, ...)

{

  char  title[16], name[16], *cp;

  va_list ap;

  int used;

  va_start(ap, fmt);

  vsnprintf(title, sizeof title, fmt, ap);

  va_end(ap);

  used = snprintf(name, sizeof name, "%s: %s", getprogname(), title);

  if (used >= (int)sizeof name) {

    cp = strrchr(name, ' ');

    if (cp != NULL)

      *cp = '\0';

  }

  prctl(PR_SET_NAME, name);

}

#else

void

setproctitle(__unused const char *fmt, ...)

{

}

#endif