Update.
[glibc.git] / stdio-common / psignal.c
blobc524bf31b0e9e273afdb7306fa776dd4dedccede
1 /* Copyright (C) 1991,1992,1995,1996,1997,2001 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <stdio.h>
20 #include <signal.h>
21 #include <stdlib.h>
22 #include <libintl.h>
23 #ifdef USE_IN_LIBIO
24 # include <wchar.h>
25 #endif
28 #ifndef HAVE_GNU_LD
29 #define _sys_siglist sys_siglist
30 #endif
32 /* Defined in sys_siglist.c. */
33 extern const char *const _sys_siglist[];
36 /* Print out on stderr a line consisting of the test in S, a colon, a space,
37 a message describing the meaning of the signal number SIG and a newline.
38 If S is NULL or "", the colon and space are omitted. */
39 void
40 psignal (int sig, const char *s)
42 const char *colon, *desc;
44 if (s == NULL || s == '\0')
45 s = colon = "";
46 else
47 colon = ": ";
49 if (sig >= 0 && sig < NSIG && (desc = _sys_siglist[sig]) != NULL)
51 #ifdef USE_IN_LIBIO
52 if (_IO_fwide (stderr, 0) > 0)
53 (void) __fwprintf (stderr, L"%s%s%s\n", s, colon, _(desc));
54 else
55 #endif
56 (void) fprintf (stderr, "%s%s%s\n", s, colon, _(desc));
58 else
60 char *buf;
62 (void) __asprintf (&buf, _("%s%sUnknown signal %d\n"), s, colon, sig);
64 #ifdef USE_IN_LIBIO
65 if (_IO_fwide (stderr, 0) > 0)
66 (void) __fwprintf (stderr, L"%s", buf);
67 else
68 #endif
69 (void) fputs (buf, stderr);
71 free (buf);