glibc/stdio-common/psignal.c

53 lines
1.6 KiB
C

/* Copyright (C) 1991-2012 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);
}
}
}