2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.16 1995-12-08 16:21:13 adam
8 * Work on commit/update.
10 * Revision 1.15 1995/12/01 16:24:28 adam
11 * Commit files use separate meta file area.
13 * Revision 1.14 1995/12/01 11:37:21 adam
14 * Cached/commit files implemented as meta-files.
16 * Revision 1.13 1995/11/30 17:00:49 adam
17 * Several bug fixes. Commit system runs now.
19 * Revision 1.12 1995/11/30 08:33:10 adam
20 * Started work on commit facility.
22 * Revision 1.11 1995/09/04 12:33:21 adam
23 * Various cleanup. YAZ util used instead.
25 * Revision 1.10 1994/08/25 10:15:54 quinn
28 * Revision 1.9 1994/08/24 08:45:48 quinn
31 * Revision 1.8 1994/08/23 15:03:34 quinn
32 * *** empty log message ***
34 * Revision 1.7 1994/08/23 14:25:45 quinn
35 * Added O_CREAT because some geek wanted it. Sheesh.
37 * Revision 1.6 1994/08/23 14:21:38 quinn
40 * Revision 1.5 1994/08/18 08:10:08 quinn
43 * Revision 1.4 1994/08/17 14:27:32 quinn
46 * Revision 1.2 1994/08/17 14:09:32 quinn
47 * Compiles cleanly (still only dummy).
49 * Revision 1.1 1994/08/17 13:55:08 quinn
50 * New blocksystem. dummy only
63 static MFile_area commit_area = NULL;
65 void bf_cache (int enableFlag)
70 if (res_get (common_resource, "commit"))
71 commit_area = mf_init ("commit");
74 logf (LOG_FATAL, "Commit area must be defined if commit"
83 int bf_close (BFile bf)
92 BFile bf_open (const char *name, int block_size, int wflag)
94 BFile tmp = xmalloc(sizeof(BFile_struct));
101 logf (LOG_LOG, "cf,mf_open %s", name);
103 tmp->mf = mf_open (0, name, block_size, 0);
104 tmp->cf = cf_open (tmp->mf, commit_area, name, block_size,
108 outf = fopen ("cache", "a");
109 fprintf (outf, "%s %d\n", name, block_size);
115 tmp->mf = mf_open(0, name, block_size, wflag);
120 logf (LOG_FATAL, "mf_open failed for %s", name);
127 int bf_read (BFile bf, int no, int offset, int num, void *buf)
131 if (bf->cf && (r=cf_read (bf->cf, no, offset, num, buf)) != -1)
133 return mf_read (bf->mf, no, offset, num, buf);
136 int bf_write (BFile bf, int no, int offset, int num, const void *buf)
139 return cf_write (bf->cf, no, offset, num, buf);
140 return mf_write (bf->mf, no, offset, num, buf);
143 int bf_commitExists (void)
147 inf = fopen ("cache", "r");
156 void bf_commitExec (void)
165 assert (commit_area);
166 if (!(inf = fopen ("cache", "r")))
168 logf (LOG_LOG, "No commit file");
171 while (fscanf (inf, "%s %d", path, &block_size) == 2)
173 mf = mf_open (0, path, block_size, 1);
174 cf = cf_open (mf, commit_area, path, block_size, 0, &first_time);
184 void bf_commitClean (void)
192 assert (commit_area);
193 if (!(inf = fopen ("cache", "r")))
195 while (fscanf (inf, "%s %d", path, &block_size) == 2)
197 mf = mf_open (0, path, block_size, 0);
198 cf = cf_open (mf, commit_area, path, block_size, 1, NULL);