2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.14 1995-12-01 11:37:21 adam
8 * Cached/commit files implemented as meta-files.
10 * Revision 1.13 1995/11/30 17:00:49 adam
11 * Several bug fixes. Commit system runs now.
13 * Revision 1.12 1995/11/30 08:33:10 adam
14 * Started work on commit facility.
16 * Revision 1.11 1995/09/04 12:33:21 adam
17 * Various cleanup. YAZ util used instead.
19 * Revision 1.10 1994/08/25 10:15:54 quinn
22 * Revision 1.9 1994/08/24 08:45:48 quinn
25 * Revision 1.8 1994/08/23 15:03:34 quinn
26 * *** empty log message ***
28 * Revision 1.7 1994/08/23 14:25:45 quinn
29 * Added O_CREAT because some geek wanted it. Sheesh.
31 * Revision 1.6 1994/08/23 14:21:38 quinn
34 * Revision 1.5 1994/08/18 08:10:08 quinn
37 * Revision 1.4 1994/08/17 14:27:32 quinn
40 * Revision 1.2 1994/08/17 14:09:32 quinn
41 * Compiles cleanly (still only dummy).
43 * Revision 1.1 1994/08/17 13:55:08 quinn
44 * New blocksystem. dummy only
49 #include <sys/types.h>
58 static MFile_area commit_area = NULL;
63 commit_area = mf_init ("commit");
66 int bf_close (BFile bf)
75 BFile bf_open (const char *name, int block_size, int wflag)
77 BFile tmp = xmalloc(sizeof(BFile_struct));
84 logf (LOG_LOG, "cf,mf_open %s", name);
85 tmp->mf = mf_open (commit_area, name, block_size, 0);
86 tmp->cf = cf_open (tmp->mf, name, block_size, wflag, &first_time);
90 outf = fopen ("cache", "a");
91 fprintf (outf, "%s %d\n", name, block_size);
97 tmp->mf = mf_open(0, name, block_size, wflag);
102 logf (LOG_FATAL, "mf_open failed for %s", name);
109 int bf_read (BFile bf, int no, int offset, int num, void *buf)
113 if (bf->cf && (r=cf_read (bf->cf, no, offset, num, buf)) != -1)
115 return mf_read (bf->mf, no, offset, num, buf);
118 int bf_write (BFile bf, int no, int offset, int num, const void *buf)
121 return cf_write (bf->cf, no, offset, num, buf);
122 return mf_write (bf->mf, no, offset, num, buf);
125 void bf_commit (void)
135 commit_area = mf_init ("commit");
136 if (!(inf = fopen ("cache", "r")))
138 logf (LOG_FATAL|LOG_ERRNO, "cannot open commit %s", "cache");
141 while (fscanf (inf, "%s %d", path, &block_size) == 2)
143 mf = mf_open (commit_area, path, block_size, 1);
144 cf = cf_open (mf, path, block_size, 0, &first_time);