mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 1988, 1993
|
|
* The 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 const char sccsid[] = "@(#)strerror.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "gnuc.h"
|
|
#ifdef HAVE_OS_PROTO_H
|
|
#include "os-proto.h"
|
|
#endif
|
|
|
|
char *
|
|
strerror(num)
|
|
int num;
|
|
{
|
|
extern int sys_nerr;
|
|
extern char *sys_errlist[];
|
|
#define UPREFIX "Unknown error: "
|
|
static char ebuf[40] = UPREFIX; /* 64-bit number + slop */
|
|
register unsigned int errnum;
|
|
register char *p, *t;
|
|
char tmp[40];
|
|
|
|
errnum = num; /* convert to unsigned */
|
|
if (errnum < sys_nerr)
|
|
return(sys_errlist[errnum]);
|
|
|
|
/* Do this by hand, so we don't include stdio(3). */
|
|
t = tmp;
|
|
do {
|
|
*t++ = "0123456789"[errnum % 10];
|
|
} while (errnum /= 10);
|
|
for (p = ebuf + sizeof(UPREFIX) - 1;;) {
|
|
*p++ = *--t;
|
|
if (t <= tmp)
|
|
break;
|
|
}
|
|
return(ebuf);
|
|
}
|