mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-28 19:52:44 +00:00
91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 1991, 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)misc.c 8.1 (Berkeley) 6/5/93";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "extern.h"
|
|
|
|
void
|
|
get(fd, off, p, len)
|
|
int fd;
|
|
off_t off;
|
|
void *p;
|
|
size_t len;
|
|
{
|
|
int rbytes;
|
|
|
|
if (lseek(fd, off, SEEK_SET) < 0)
|
|
err("%s: %s", special, strerror(errno));
|
|
if ((rbytes = read(fd, p, len)) < 0)
|
|
err("%s: %s", special, strerror(errno));
|
|
if (rbytes != len)
|
|
err("%s: short read (%d, not %d)", special, rbytes, len);
|
|
}
|
|
|
|
#if __STDC__
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
|
|
void
|
|
#if __STDC__
|
|
err(const char *fmt, ...)
|
|
#else
|
|
err(fmt, va_alist)
|
|
char *fmt;
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
va_start(ap);
|
|
#endif
|
|
(void)fprintf(stderr, "dumplfs: ");
|
|
(void)vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
(void)fprintf(stderr, "\n");
|
|
exit(1);
|
|
/* NOTREACHED */
|
|
}
|