2 * Copyright (c) 1985, 1987, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 static const char copyright[] =
36 "@(#) Copyright (c) 1985, 1987, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)tcopy.c 8.2 (Berkeley) 4/17/94";
44 static const char rcsid[] =
45 "$FreeBSD: src/usr.bin/tcopy/tcopy.c,v 1.7.2.1 2002/11/07 17:54:42 imp Exp $";
48 #include <sys/types.h>
50 #include <sys/ioctl.h>
62 #include "pathnames.h"
64 #define MAXREC (64 * 1024)
67 int filen, guesslen, maxblk = MAXREC;
68 u_int64_t lastrec, record, size, tsize;
71 void *getspace __P((int));
73 static void usage __P((void));
74 void verify __P((int, int, char *));
75 void writeop __P((int, int));
76 void rewind_tape(int);
83 register int lastnread, nread, nw, inp, outp;
84 enum {READ, VERIFY, COPY, COPYVERIFY} op = READ;
91 while ((ch = getopt(argc, argv, "cs:vx")) != -1)
97 maxblk = atoi(optarg);
99 warnx("illegal block size");
132 if ((outp = open(argv[1], op == VERIFY ? O_RDONLY :
133 op == COPY ? O_WRONLY : O_RDWR, DEFFILEMODE)) < 0)
134 err(3, "%s", argv[1]);
140 if ((inp = open(inf, O_RDONLY, 0)) < 0)
143 buff = getspace(maxblk);
146 verify(inp, outp, buff);
150 if ((oldsig = signal(SIGINT, SIG_IGN)) != SIG_IGN)
151 (void) signal(SIGINT, intr);
154 for (lastnread = NOCOUNT;;) {
155 if ((nread = read(inp, buff, maxblk)) == -1) {
156 while (errno == EINVAL && (maxblk -= 1024)) {
157 nread = read(inp, buff, maxblk);
161 err(1, "read error, file %d, record %qu", filen, record);
162 } else if (nread != lastnread) {
163 if (lastnread != 0 && lastnread != NOCOUNT) {
164 if (lastrec == 0 && nread == 0)
165 fprintf(msg, "%qu records\n", record);
166 else if (record - lastrec > 1)
167 fprintf(msg, "records %qu to %qu\n",
170 fprintf(msg, "record %qu\n", lastrec);
173 fprintf(msg, "file %d: block size %d: ",
175 (void) fflush(stdout);
180 if (op == COPY || op == COPYVERIFY) {
182 writeop(outp, MTWEOF);
185 nw = write(outp, buff, nread);
188 warn("write error, file %d, record %qu", filen, record);
190 warnx("write error, file %d, record %qu", filen, record);
191 warnx("write (%d) != read (%d)", nw, nread);
193 errx(5, "copy aborted");
199 if (lastnread <= 0 && lastnread != NOCOUNT) {
200 fprintf(msg, "eot\n");
204 "file %d: eof after %qu records: %qu bytes\n",
205 filen, record, size);
209 size = record = lastrec = 0;
214 fprintf(msg, "total length: %qu bytes\n", tsize);
215 (void)signal(SIGINT, oldsig);
216 if (op == COPY || op == COPYVERIFY) {
217 writeop(outp, MTWEOF);
218 writeop(outp, MTWEOF);
219 if (op == COPYVERIFY) {
222 verify(inp, outp, buff);
229 verify(inp, outp, outb)
230 register int inp, outp;
233 register int eot, inmaxblk, inn, outmaxblk, outn;
236 inb = getspace(maxblk);
237 inmaxblk = outmaxblk = maxblk;
238 for (eot = 0;; guesslen = 0) {
239 if ((inn = read(inp, inb, inmaxblk)) == -1) {
241 while (errno == EINVAL && (inmaxblk -= 1024)) {
242 inn = read(inp, inb, inmaxblk);
249 r1: if ((outn = read(outp, outb, outmaxblk)) == -1) {
251 while (errno == EINVAL && (outmaxblk -= 1024)) {
252 outn = read(outp, outb, outmaxblk);
259 r2: if (inn != outn) {
261 "%s: tapes have different block sizes; %d != %d.\n",
267 fprintf(msg, "tcopy: tapes are identical.\n");
271 if (bcmp(inb, outb, inn)) {
273 "tcopy: tapes have different data.\n");
287 if (record - lastrec > 1)
288 fprintf(msg, "records %qu to %qu\n", lastrec, record);
290 fprintf(msg, "record %qu\n", lastrec);
292 fprintf(msg, "interrupt at file %d: record %qu\n", filen, record);
293 fprintf(msg, "total length: %ld bytes\n", tsize + size);
303 if ((bp = malloc((size_t)blk)) == NULL)
304 errx(11, "no memory");
315 op.mt_count = (daddr_t)1;
316 if (ioctl(fd, MTIOCTOP, (char *)&op) < 0)
323 fprintf(stderr, "usage: tcopy [-cvx] [-s maxblk] [src [dest]]\n");
333 errx(12, "fstat in rewind");
336 * don't want to do tape ioctl on regular files:
338 if( S_ISREG(sp.st_mode) ) {
339 if( lseek(fd, 0, SEEK_SET) == -1 )
342 /* assume its a tape */