/* Copyright (C) 1991-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <stdio.h>

#include <signal.h>

#include <stdlib.h>

#include <libintl.h>

#include <wchar.h>

/* Print out on stderr a line consisting of the test in S, a colon, a space,

   a message describing the meaning of the signal number SIG and a newline.

   If S is NULL or "", the colon and space are omitted.  */

void

psignal (int sig, const char *s)

{

  const char *colon, *desc;

  if (s == NULL || *s == '\0')

    s = colon = "";

  else

    colon = ": ";

  if (sig >= 0 && sig < NSIG && (desc = _sys_siglist[sig]) != NULL)

    (void) __fxprintf (NULL, "%s%s%s\n", s, colon, _(desc));

  else

    {

      char *buf;

      if (__asprintf (&buf, _("%s%sUnknown signal %d\n"), s, colon, sig) < 0)

	(void) __fxprintf (NULL, "%s%s%s\n", s, colon, _("Unknown signal"));

      else

	{

	  (void) __fxprintf (NULL, "%s", buf);

	  free (buf);

	}

    }

}