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2001-03-04 19:42:05 -05:00
parent 87d70fb598
commit ec6ae09161
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bdb/clib/strerror.c Normal file
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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997, 1998, 1999, 2000
* Sleepycat Software. All rights reserved.
*/
/*
* 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. 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.
*/
#include "db_config.h"
#ifndef lint
static const char revid[] = "$Id: strerror.c,v 11.4 2000/02/14 02:59:41 bostic Exp $";
#endif /* not lint */
/*
* strerror --
* Return the string associated with an errno.
*
* PUBLIC: #ifndef HAVE_STRERROR
* PUBLIC: char *strerror __P((int));
* PUBLIC: #endif
*/
char *
strerror(num)
int num;
{
extern int sys_nerr;
extern char *sys_errlist[];
#undef UPREFIX
#define UPREFIX "Unknown error: "
static char ebuf[40] = UPREFIX; /* 64-bit number + slop */
int errnum;
char *p, *t, 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);
}