2 * Copyright (C) 1995, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 1996-02-07 10:08:45 adam
8 * Work on flat shadow (not finished yet).
10 * Revision 1.5 1995/12/15 12:36:52 adam
11 * Moved hash file information to union.
12 * Renamed commit files.
14 * Revision 1.4 1995/12/11 09:03:54 adam
15 * New function: cf_unlink.
16 * New member of commit file head: state (0) deleted, (1) hash file.
18 * Revision 1.3 1995/12/01 16:24:29 adam
19 * Commit files use separate meta file area.
21 * Revision 1.2 1995/12/01 11:37:23 adam
22 * Cached/commit files implemented as meta-files.
24 * Revision 1.1 1995/11/30 08:33:12 adam
25 * Started work on commit facility.
32 #define HASH_BUCKET 63
34 struct CFile_hash_bucket {
35 struct CFile_ph_bucket {
42 struct CFile_hash_bucket *h_next, **h_prev;
43 struct CFile_hash_bucket *lru_next, *lru_prev;
46 #define HASH_BSIZE sizeof(struct CFile_ph_bucket)
50 typedef struct CFile_struct
62 struct CFile_hash_bucket **parray;
63 struct CFile_hash_bucket *bucket_lru_front, *bucket_lru_back;
66 int max_bucket_in_memory;
71 int cf_close (CFile cf);
72 CFile cf_open (MFile mf, MFile_area area, const char *fname, int block_size,
73 int wflag, int *firstp);
74 int cf_read (CFile cf, int no, int offset, int num, void *buf);
75 int cf_write (CFile cf, int no, int offset, int num, const void *buf);
76 void cf_unlink (CFile cf);
77 void cf_commit (CFile cf);