2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1988, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 #if defined(LIBC_SCCS) && !defined(lint)
33 static char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93";
34 #endif /* LIBC_SCCS and not lint */
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include "namespace.h"
47 #include "reentrant.h"
48 #include "un-namespace.h"
50 #define UPREFIX "Unknown signal"
52 static char sig_ebuf[NL_TEXTMAX];
53 static char sig_ebuf_err[NL_TEXTMAX];
54 static once_t sig_init_once = ONCE_INITIALIZER;
55 static thread_key_t sig_key;
56 static int sig_keycreated = 0;
61 sig_keycreated = (thr_keycreate(&sig_key, free) == 0);
72 if (thr_once(&sig_init_once, sig_keycreate) != 0 ||
75 if ((ebuf = thr_getspecific(sig_key)) == NULL) {
76 if ((ebuf = malloc(sizeof(sig_ebuf))) == NULL)
78 if (thr_setspecific(sig_key, ebuf) != 0) {
91 /* XXX: negative 'num' ? (REGR) */
102 int saved_errno = errno;
104 catd = catopen("libc", NL_CAT_LOCALE);
107 ebuf = sig_tlsalloc();
109 if (num > 0 && num < sys_nsig) {
112 catgets(catd, 2, num, sys_siglist[num]),
120 catgets(catd, 2, 0xffff, UPREFIX),
132 *t++ = "0123456789"[signum % 10];
133 } while (signum /= 10);