94 lines
3.0 KiB
C
94 lines
3.0 KiB
C
/* $NetBSD: copy.c,v 1.12 2003/08/07 16:33:58 agc Exp $ */
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/*-
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* Copyright (c) 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1993\n\
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The Regents of the University of California. All rights reserved.\n");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)copy.c 8.1 (Berkeley) 6/11/93";
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#else
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__RCSID("$NetBSD: copy.c,v 1.12 2003/08/07 16:33:58 agc Exp $");
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#endif
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#endif /* not lint */
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#define BSIZE 10240
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/*
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* Copy from from to to. Intended for use in system installation.
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*/
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main()
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{
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extern int errno;
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register int from, to, record, rcc, wcc, bsize = BSIZE;
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char buf[BSIZE];
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from = getfile("From", 0);
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to = getfile("To", 1);
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for (record = 0;; ++record) {
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if (!(rcc = read(from, buf, bsize)))
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break;
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if (rcc < 0) {
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printf("Record %d: read error, errno=%d\n",
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record, errno);
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break;
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}
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if (rcc != bsize) {
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if (record == 0) {
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bsize = rcc;
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printf("Block size set from input; %d bytes\n",
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bsize);
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} else
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printf("Record %d: read short; expected %d, got %d\n",
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record, bsize, rcc);
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}
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#ifdef __vax__
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/* For bug in ht driver. */
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if (rcc > bsize)
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rcc = bsize;
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#endif
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if ((wcc = write(to, buf, rcc)) < 0) {
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printf("Record %d: write error: errno=%d\n",
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record, errno);
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break;
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}
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if (wcc < rcc) {
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printf("Record %d: write short; expected %d, got %d\n",
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record, rcc, wcc);
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break;
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}
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}
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printf("copy completed: %d records copied\n", record);
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}
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