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 * 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.
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("$FreeBSD$");
47 #define UPREFIX "Unknown error"
50 * Define a buffer size big enough to describe a 64-bit signed integer
51 * converted to ASCII decimal (19 bytes), with an optional leading sign
52 * (1 byte); finally, we get the prefix, delimiter (": ") and a trailing
55 #define EBUFSIZE (20 + 2 + sizeof(UPREFIX))
58 * Doing this by hand instead of linking with stdio(3) avoids bloat for
59 * statically linked binaries.
62 errstr(int num, char *uprefix, char *buf, size_t len)
68 t = tmp + sizeof(tmp);
70 uerr = (num >= 0) ? num : -num;
72 *--t = "0123456789"[uerr % 10];
78 strlcpy(buf, uprefix, len);
83 strerror_r(int errnum, char *strerrbuf, size_t buflen)
87 int saved_errno = errno;
89 catd = catopen("libc", NL_CAT_LOCALE);
92 if (errnum < 0 || errnum >= __hidden_sys_nerr) {
95 catgets(catd, 1, 0xffff, UPREFIX),
102 if (strlcpy(strerrbuf,
104 catgets(catd, 1, errnum, __hidden_sys_errlist[errnum]),
106 __hidden_sys_errlist[errnum],
123 static char ebuf[NL_TEXTMAX];
125 if (strerror_r(num, ebuf, sizeof(ebuf)) != 0)