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/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char *rcsid = "$OpenBSD: __strerror.c,v 1.8 2001/12/08 20:37:32 deraadt Exp $";
#endif /* LIBC_SCCS and not lint */
#ifdef NLS
#define catclose _catclose
#define catgets _catgets
#define catopen _catopen
#include <nl_types.h>
#endif
#define sys_errlist _sys_errlist
#define sys_nerr _sys_nerr
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
static char *
itoa(num)
int num;
{
static char buffer[11];
char *p;
p = buffer + 4;
while (num >= 10) {
*--p = (num % 10) + '0';
num /= 10;
}
*p = (num % 10) + '0';
return p;
}
/*
* Since perror() is not allowed to change the contents of strerror()'s
* static buffer, both functions supply their own buffers to the
* internal function __strerror().
*/
char *
__strerror(num, buf)
int num;
char *buf;
{
#define UPREFIX "Unknown error: "
register unsigned int errnum;
#ifdef NLS
int save_errno;
nl_catd catd;
catd = catopen("libc", 0);
#endif
errnum = num; /* convert to unsigned */
if (errnum < sys_nerr) {
#ifdef NLS
strlcpy(buf, catgets(catd, 1, errnum,
(char *)sys_errlist[errnum]), NL_TEXTMAX);
#else
return(sys_errlist[errnum]);
#endif
} else {
#ifdef NLS
strlcpy(buf, catgets(catd, 1, 0xffff, UPREFIX), NL_TEXTMAX);
#else
strcpy(buf, UPREFIX);
#endif
strncat(buf, itoa(errnum), NL_TEXTMAX-strlen(buf)-1);
errno = EINVAL;
}
#ifdef NLS
save_errno = errno;
catclose(catd);
errno = save_errno;
#endif
return buf;
}
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