| Revision 23740,
728 bytes
checked in by broder, 16 years ago
(diff) |
|
In moira:
* New CVS snapshot (Trac: #195)
* Drop patches that have been incorporated upstream.
* Update to build without krb4 on systems that no longer have it.
This doesn't build yet on squeeze, which lacks a krb4 library, but I'm
committing now before I start hacking away at a patch to fix that.
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| 1 | /* $Id: checksum.c,v 1.9 1998-02-15 17:49:26 danw Exp $ |
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| 2 | * |
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| 3 | * Copyright (C) 1988-1998 by the Massachusetts Institute of Technology. |
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| 4 | * For copying and distribution information, please see the file |
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| 5 | * <mit-copyright.h>. |
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| 6 | */ |
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| 7 | |
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| 8 | #include <mit-copyright.h> |
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| 9 | #include <moira.h> |
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| 10 | #include "update_server.h" |
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| 11 | |
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| 12 | #include <stdio.h> |
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| 13 | |
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| 14 | RCSID("$Header: /afs/athena.mit.edu/astaff/project/moiradev/repository/moira/update/checksum.c,v 1.9 1998-02-15 17:49:26 danw Exp $"); |
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| 15 | |
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| 16 | /* |
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| 17 | * checksum_fd(fd) |
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| 18 | * returns 24-bit checksum of bytes in file |
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| 19 | */ |
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| 20 | |
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| 21 | long checksum_file(char *path) |
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| 22 | { |
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| 23 | long sum; |
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| 24 | int ch; |
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| 25 | FILE *f; |
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| 26 | |
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| 27 | sum = 0; |
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| 28 | f = fopen(path, "r"); |
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| 29 | while ((ch = getc(f)) != EOF) |
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| 30 | sum = (sum + ch) & ((1 << 24) - 1); |
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| 31 | fclose(f); |
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| 32 | return sum; |
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| 33 | } |
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