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.
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11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. 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.
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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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
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29 * @(#)strerror.c 8.1 (Berkeley) 6/4/93
30 * $FreeBSD: head/lib/libc/string/strsignal.c 251069 2013-05-28 20:57:40Z emaste $
33 #include "namespace.h"
42 #include "reentrant.h"
43 #include "un-namespace.h"
45 #define UPREFIX "Unknown signal"
47 static char sig_ebuf[NL_TEXTMAX];
48 static char sig_ebuf_err[NL_TEXTMAX];
49 static once_t sig_init_once = ONCE_INITIALIZER;
50 static thread_key_t sig_key;
51 static int sig_keycreated = 0;
56 sig_keycreated = (thr_keycreate(&sig_key, free) == 0);
67 if (thr_once(&sig_init_once, sig_keycreate) != 0 ||
70 if ((ebuf = thr_getspecific(sig_key)) == NULL) {
71 if ((ebuf = malloc(sizeof(sig_ebuf))) == NULL)
73 if (thr_setspecific(sig_key, ebuf) != 0) {
86 /* XXX: negative 'num' ? (REGR) */
97 int saved_errno = errno;
99 catd = catopen("libc", NL_CAT_LOCALE);
102 ebuf = sig_tlsalloc();
104 if (num > 0 && num < sys_nsig) {
107 catgets(catd, 2, num, sys_siglist[num]),
115 catgets(catd, 2, 0xffff, UPREFIX),
127 *t++ = "0123456789"[signum % 10];
128 } while (signum /= 10);