2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.17 1995-12-11 09:03:51 adam
8 * New function: cf_unlink.
9 * New member of commit file head: state (0) deleted, (1) hash file.
11 * Revision 1.16 1995/12/08 16:21:13 adam
12 * Work on commit/update.
14 * Revision 1.15 1995/12/01 16:24:28 adam
15 * Commit files use separate meta file area.
17 * Revision 1.14 1995/12/01 11:37:21 adam
18 * Cached/commit files implemented as meta-files.
20 * Revision 1.13 1995/11/30 17:00:49 adam
21 * Several bug fixes. Commit system runs now.
23 * Revision 1.12 1995/11/30 08:33:10 adam
24 * Started work on commit facility.
26 * Revision 1.11 1995/09/04 12:33:21 adam
27 * Various cleanup. YAZ util used instead.
29 * Revision 1.10 1994/08/25 10:15:54 quinn
32 * Revision 1.9 1994/08/24 08:45:48 quinn
35 * Revision 1.8 1994/08/23 15:03:34 quinn
36 * *** empty log message ***
38 * Revision 1.7 1994/08/23 14:25:45 quinn
39 * Added O_CREAT because some geek wanted it. Sheesh.
41 * Revision 1.6 1994/08/23 14:21:38 quinn
44 * Revision 1.5 1994/08/18 08:10:08 quinn
47 * Revision 1.4 1994/08/17 14:27:32 quinn
50 * Revision 1.2 1994/08/17 14:09:32 quinn
51 * Compiles cleanly (still only dummy).
53 * Revision 1.1 1994/08/17 13:55:08 quinn
54 * New blocksystem. dummy only
67 static MFile_area commit_area = NULL;
69 void bf_cache (int enableFlag)
74 if (res_get (common_resource, "commit"))
75 commit_area = mf_init ("commit");
78 logf (LOG_FATAL, "Commit area must be defined if commit"
87 int bf_close (BFile bf)
96 BFile bf_open (const char *name, int block_size, int wflag)
98 BFile tmp = xmalloc(sizeof(BFile_struct));
105 logf (LOG_LOG, "cf,mf_open %s", name);
107 tmp->mf = mf_open (0, name, block_size, 0);
108 tmp->cf = cf_open (tmp->mf, commit_area, name, block_size,
112 outf = fopen ("cache", "a");
113 fprintf (outf, "%s %d\n", name, block_size);
119 tmp->mf = mf_open(0, name, block_size, wflag);
124 logf (LOG_FATAL, "mf_open failed for %s", name);
131 int bf_read (BFile bf, int no, int offset, int num, void *buf)
135 if (bf->cf && (r=cf_read (bf->cf, no, offset, num, buf)) != -1)
137 return mf_read (bf->mf, no, offset, num, buf);
140 int bf_write (BFile bf, int no, int offset, int num, const void *buf)
143 return cf_write (bf->cf, no, offset, num, buf);
144 return mf_write (bf->mf, no, offset, num, buf);
147 int bf_commitExists (void)
151 inf = fopen ("cache", "r");
160 void bf_commitExec (void)
169 assert (commit_area);
170 if (!(inf = fopen ("cache", "r")))
172 logf (LOG_LOG, "No commit file");
175 while (fscanf (inf, "%s %d", path, &block_size) == 2)
177 mf = mf_open (0, path, block_size, 1);
178 cf = cf_open (mf, commit_area, path, block_size, 0, &first_time);
188 void bf_commitClean (void)
204 if (!(inf = fopen ("cache", "r")))
206 while (fscanf (inf, "%s %d", path, &block_size) == 2)
208 mf = mf_open (0, path, block_size, 0);
209 cf = cf_open (mf, commit_area, path, block_size, 1, &firstTime);