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File: [cvs.NetBSD.org] / src / sys / stand / copy.c (download)

Revision 1.9, Tue Oct 20 01:46:28 1998 UTC (22 years ago) by matt
Branch: MAIN
CVS Tags: wrstuden-devbsize-base, wrstuden-devbsize-19991221, wrstuden-devbsize, thorpej_scsipi_nbase, thorpej_scsipi_beforemerge, thorpej_scsipi_base, thorpej_scsipi, thorpej-mips-cache-base, thorpej-mips-cache, thorpej-devvp-base3, thorpej-devvp-base2, thorpej-devvp-base, thorpej-devvp, pre-chs-ubcperf, post-chs-ubcperf, netbsd-1-5-base, netbsd-1-5-RELEASE, netbsd-1-5-PATCH003, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA, netbsd-1-5-ALPHA2, netbsd-1-5, netbsd-1-4-base, netbsd-1-4-RELEASE, netbsd-1-4-PATCH003, netbsd-1-4-PATCH002, netbsd-1-4-PATCH001, netbsd-1-4, minoura-xpg4dl-base, minoura-xpg4dl, kenh-if-detach-base, kenh-if-detach, kame_14_19990705, kame_14_19990628, kame_141_19991130, kame, fvdl-softdep-base, fvdl-softdep, comdex-fall-1999-base, comdex-fall-1999, chs-ubc2-newbase, chs-ubc2-base, chs-ubc2, chs-ubc-base, chs-ubc
Branch point for: nathanw_sa, kqueue
Changes since 1.8: +3 -3 lines

vax -> __vax__ (and mips to __mips__ in ultrix_misc.c)

/*	$NetBSD: copy.c,v 1.9 1998/10/20 01:46:28 matt Exp $	*/

/*-
 * Copyright (c) 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.
 */

#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1993\n\
	The Regents of the University of California.  All rights reserved.\n");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)copy.c	8.1 (Berkeley) 6/11/93";
#else
__RCSID("$NetBSD: copy.c,v 1.9 1998/10/20 01:46:28 matt Exp $");
#endif
#endif /* not lint */

#define	BSIZE	10240

/*
 * Copy from from to to.  Intended for use in system installation.
 */
main()
{
	extern int errno;
	register int from, to, record, rcc, wcc, bsize = BSIZE;
	char buf[BSIZE];

	from = getfile("From", 0);
	to = getfile("To", 1);
	for (record = 0;; ++record) {
		if (!(rcc = read(from, buf, bsize)))
			break;
		if (rcc < 0) {
			printf("Record %d: read error, errno=%d\n",
			    record, errno);
			break;
		}
		if (rcc != bsize) {
			if (record == 0) {
				bsize = rcc;
				printf("Block size set from input; %d bytes\n",
				    bsize);
			} else
				printf("Record %d: read short; expected %d, got %d\n",
				    record, bsize, rcc);
		}
#ifdef __vax__
		/* For bug in ht driver. */
		if (rcc > bsize)
			rcc = bsize;
#endif
		if ((wcc = write(to, buf, rcc)) < 0) {
			printf("Record %d: write error: errno=%d\n",
			    record, errno);
			break;
		}
		if (wcc < rcc) {
			printf("Record %d: write short; expected %d, got %d\n",
			    record, rcc, wcc);
			break;
		}
	}
	printf("copy completed: %d records copied\n", record);
}