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git.saurik.com Git - apple/libc.git/blob - string/FreeBSD/strsignal.c
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid
[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93";
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD: src/lib/libc/string/strsignal.c,v 1.9 2010/01/24 10:35:26 ume Exp $");
36 #include "namespace.h"
45 #include "reentrant.h"
46 #include "un-namespace.h"
48 #define UPREFIX "Unknown signal"
50 static once_t sig_init_once
= ONCE_INITIALIZER
;
51 static thread_key_t sig_key
;
52 static int sig_keycreated
= 0;
57 sig_keycreated
= (thr_keycreate(&sig_key
, free
) == 0);
65 if (thr_once(&sig_init_once
, sig_keycreate
) != 0 ||
68 if ((ebuf
= thr_getspecific(sig_key
)) == NULL
) {
69 if ((ebuf
= malloc(NL_TEXTMAX
* sizeof(char))) == NULL
)
71 if (thr_setspecific(sig_key
, ebuf
) != 0) {
81 /* XXX: negative 'num' ? (REGR) */
92 int saved_errno
= errno
;
94 catd
= catopen("libc", NL_CAT_LOCALE
);
97 ebuf
= sig_tlsalloc();
103 if (num
> 0 && num
< NSIG
) {
106 catgets(catd
, 2, num
, sys_siglist
[num
]),
110 NL_TEXTMAX
* sizeof(char));
114 catgets(catd
, 2, 0xffff, UPREFIX
),
118 NL_TEXTMAX
* sizeof(char));
127 *t
++ = "0123456789"[signum
% 10];
128 } while (signum
/= 10);