projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8dac25d8 | 1 | /*- |
| 80409bdc KB |
2 | * Copyright (c) 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 8dac25d8 KM |
4 | * |
| 5 | * %sccs.include.redist.c% | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef lint | |
| 80409bdc KB |
9 | static char copyright[] = |
| 10 | "@(#) Copyright (c) 1993\n\ | |
| 11 | The Regents of the University of California. All rights reserved.\n"; | |
| 8dac25d8 KM |
12 | #endif /* not lint */ |
| 13 | ||
| 14 | #ifndef lint | |
| 80409bdc | 15 | static char sccsid[] = "@(#)copy.c 8.1 (Berkeley) %G%"; |
| 8dac25d8 KM |
16 | #endif /* not lint */ |
| 17 | ||
| 18 | #define BSIZE 10240 | |
| 19 | ||
| 20 | /* | |
| 21 | * Copy from from to to. Intended for use in system installation. | |
| 22 | */ | |
| 23 | main() | |
| 24 | { | |
| 25 | extern int errno; | |
| 26 | register int from, to, record, rcc, wcc, bsize = BSIZE; | |
| 27 | char buf[BSIZE]; | |
| 28 | ||
| 29 | from = getfile("From", 0); | |
| 30 | to = getfile("To", 1); | |
| 31 | for (record = 0;; ++record) { | |
| 32 | if (!(rcc = read(from, buf, bsize))) | |
| 33 | break; | |
| 34 | if (rcc < 0) { | |
| 35 | printf("Record %d: read error, errno=%d\n", | |
| 36 | record, errno); | |
| 37 | break; | |
| 38 | } | |
| 39 | if (rcc != bsize) { | |
| 40 | if (record == 0) { | |
| 41 | bsize = rcc; | |
| 42 | printf("Block size set from input; %d bytes\n", | |
| 43 | bsize); | |
| 44 | } else | |
| 45 | printf("Record %d: read short; expected %d, got %d\n", | |
| 46 | record, bsize, rcc); | |
| 47 | } | |
| 48 | #ifdef vax | |
| 49 | /* For bug in ht driver. */ | |
| 50 | if (rcc > bsize) | |
| 51 | rcc = bsize; | |
| 52 | #endif | |
| 53 | if ((wcc = write(to, buf, rcc)) < 0) { | |
| 54 | printf("Record %d: write error: errno=%d\n", | |
| 55 | record, errno); | |
| 56 | break; | |
| 57 | } | |
| 58 | if (wcc < rcc) { | |
| 59 | printf("Record %d: write short; expected %d, got %d\n", | |
| 60 | record, rcc, wcc); | |
| 61 | break; | |
| 62 | } | |
| 63 | } | |
| 64 | printf("copy completed: %d records copied\n", record); | |
| 65 | } |