2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.12 1995-11-30 08:33:10 adam
8 * Started work on commit facility.
10 * Revision 1.11 1995/09/04 12:33:21 adam
11 * Various cleanup. YAZ util used instead.
13 * Revision 1.10 1994/08/25 10:15:54 quinn
16 * Revision 1.9 1994/08/24 08:45:48 quinn
19 * Revision 1.8 1994/08/23 15:03:34 quinn
20 * *** empty log message ***
22 * Revision 1.7 1994/08/23 14:25:45 quinn
23 * Added O_CREAT because some geek wanted it. Sheesh.
25 * Revision 1.6 1994/08/23 14:21:38 quinn
28 * Revision 1.5 1994/08/18 08:10:08 quinn
31 * Revision 1.4 1994/08/17 14:27:32 quinn
34 * Revision 1.2 1994/08/17 14:09:32 quinn
35 * Compiles cleanly (still only dummy).
37 * Revision 1.1 1994/08/17 13:55:08 quinn
38 * New blocksystem. dummy only
43 #include <sys/types.h>
52 static const char *cache_name = NULL;
54 void bf_cache (const char *name)
59 int bf_close (BFile bf)
68 BFile bf_open (const char *name, int block_size, int wflag)
70 BFile tmp = xmalloc(sizeof(BFile_struct));
77 logf (LOG_LOG, "cf,mf_open %s, cache_name=%s", name, cache_name);
78 tmp->mf = mf_open(0, name, block_size, wflag);
79 tmp->cf = cf_open(tmp->mf, cache_name, name, block_size, wflag,
84 outf = fopen (cache_name, "a");
85 fprintf (outf, "%s %d\n", name, block_size);
91 tmp->mf = mf_open(0, name, block_size, wflag);
96 logf (LOG_FATAL, "mf_open failed for %s", name);
103 int bf_read (BFile bf, int no, int offset, int num, void *buf)
107 if (bf->cf && (r=cf_read (bf->cf, no, offset, num, buf)) != -1)
109 return mf_read (bf->mf, no, offset, num, buf);
112 int bf_write (BFile bf, int no, int offset, int num, const void *buf)
115 return cf_write (bf->cf, no, offset, num, buf);
116 return mf_write (bf->mf, no, offset, num, buf);
119 void bf_commit (const char *name)
128 if (!(inf = fopen (name, "r")))
130 logf (LOG_FATAL|LOG_ERRNO, "cannot open commit %s", name);
133 while (fscanf (inf, "%s %d", path, &block_size) == 1)
135 mf = mf_open(0, path, block_size, 1);
136 cf = cf_open(mf, name, path, block_size, 0, &first_time);