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88a3b8f9ac
2009-02-06 Ulrich Drepper <drepper@redhat.com> [BZ #9823] * stdio-common/psignal.c (psignal): Fix test for empty string.
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/* Copyright (C) 1991, 1992, 1995, 1996, 1997, 2001, 2002, 2004, 2005, 2009
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdio.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <libintl.h>
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#include <wchar.h>
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/* Defined in sys_siglist.c. */
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extern const char *const _sys_siglist[];
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extern const char *const _sys_siglist_internal[] attribute_hidden;
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/* Print out on stderr a line consisting of the test in S, a colon, a space,
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a message describing the meaning of the signal number SIG and a newline.
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If S is NULL or "", the colon and space are omitted. */
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void
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psignal (int sig, const char *s)
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{
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const char *colon, *desc;
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if (s == NULL || *s == '\0')
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s = colon = "";
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else
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colon = ": ";
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if (sig >= 0 && sig < NSIG && (desc = INTUSE(_sys_siglist)[sig]) != NULL)
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(void) __fxprintf (NULL, "%s%s%s\n", s, colon, _(desc));
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else
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{
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char *buf;
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if (__asprintf (&buf, _("%s%sUnknown signal %d\n"), s, colon, sig) < 0)
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(void) __fxprintf (NULL, "%s%s%s\n", s, colon, _("Unknown signal"));
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else
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{
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(void) __fxprintf (NULL, "%s", buf);
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free (buf);
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}
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}
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}
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