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15637ed4 RG |
1 | /*- |
2 | * Copyright (c) 1982, 1986, 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
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. | |
20 | * | |
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 | |
31 | * SUCH DAMAGE. | |
32 | * | |
78ed81a3 | 33 | * from: @(#)copy.c 7.7 (Berkeley) 5/21/91 |
34 | * $Id$ | |
15637ed4 RG |
35 | */ |
36 | ||
37 | #define BSIZE 10240 | |
38 | ||
39 | /* | |
40 | * Copy from from to to. Intended for use in system installation. | |
41 | */ | |
42 | main() | |
43 | { | |
44 | extern int errno; | |
45 | register int from, to, record, rcc, wcc, bsize = BSIZE; | |
46 | char buf[BSIZE]; | |
47 | ||
48 | from = getfile("From", 0); | |
49 | to = getfile("To", 1); | |
50 | for (record = 0;; ++record) { | |
51 | if (!(rcc = read(from, buf, bsize))) | |
52 | break; | |
53 | if (rcc < 0) { | |
54 | printf("Record %d: read error, errno=%d\n", | |
55 | record, errno); | |
56 | break; | |
57 | } | |
58 | if (rcc != bsize) { | |
59 | if (record == 0) { | |
60 | bsize = rcc; | |
61 | printf("Block size set from input; %d bytes\n", | |
62 | bsize); | |
63 | } else | |
64 | printf("Record %d: read short; expected %d, got %d\n", | |
65 | record, bsize, rcc); | |
66 | } | |
67 | #ifdef vax | |
68 | /* For bug in ht driver. */ | |
69 | if (rcc > bsize) | |
70 | rcc = bsize; | |
71 | #endif | |
72 | if ((wcc = write(to, buf, rcc)) < 0) { | |
73 | printf("Record %d: write error: errno=%d\n", | |
74 | record, errno); | |
75 | break; | |
76 | } | |
77 | if (wcc < rcc) { | |
78 | printf("Record %d: write short; expected %d, got %d\n", | |
79 | record, rcc, wcc); | |
80 | break; | |
81 | } | |
82 | } | |
83 | printf("copy completed: %d records copied\n", record); | |
84 | } |