projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b688fc87 WJ |
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 | * | |
| 33 | * @(#)copy.c 7.7 (Berkeley) 5/21/91 | |
| 34 | */ | |
| 35 | ||
| 36 | #define BSIZE 10240 | |
| 37 | ||
| 38 | /* | |
| 39 | * Copy from from to to. Intended for use in system installation. | |
| 40 | */ | |
| 41 | main() | |
| 42 | { | |
| 43 | extern int errno; | |
| 44 | register int from, to, record, rcc, wcc, bsize = BSIZE; | |
| 45 | char buf[BSIZE]; | |
| 46 | ||
| 47 | from = getfile("From", 0); | |
| 48 | to = getfile("To", 1); | |
| 49 | for (record = 0;; ++record) { | |
| 50 | if (!(rcc = read(from, buf, bsize))) | |
| 51 | break; | |
| 52 | if (rcc < 0) { | |
| 53 | printf("Record %d: read error, errno=%d\n", | |
| 54 | record, errno); | |
| 55 | break; | |
| 56 | } | |
| 57 | if (rcc != bsize) { | |
| 58 | if (record == 0) { | |
| 59 | bsize = rcc; | |
| 60 | printf("Block size set from input; %d bytes\n", | |
| 61 | bsize); | |
| 62 | } else | |
| 63 | printf("Record %d: read short; expected %d, got %d\n", | |
| 64 | record, bsize, rcc); | |
| 65 | } | |
| 66 | #ifdef vax | |
| 67 | /* For bug in ht driver. */ | |
| 68 | if (rcc > bsize) | |
| 69 | rcc = bsize; | |
| 70 | #endif | |
| 71 | if ((wcc = write(to, buf, rcc)) < 0) { | |
| 72 | printf("Record %d: write error: errno=%d\n", | |
| 73 | record, errno); | |
| 74 | break; | |
| 75 | } | |
| 76 | if (wcc < rcc) { | |
| 77 | printf("Record %d: write short; expected %d, got %d\n", | |
| 78 | record, rcc, wcc); | |
| 79 | break; | |
| 80 | } | |
| 81 | } | |
| 82 | printf("copy completed: %d records copied\n", record); | |
| 83 | } |