2 * Copyright (C) 1994, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 1994-10-05 12:16:52 adam
8 * Pagesize is a resource now.
10 * Revision 1.5 1994/09/01 17:49:39 adam
11 * Removed stupid line. Work on insertion in dictionary. Not finished yet.
13 * Revision 1.4 1994/09/01 17:44:10 adam
14 * depend include change.
16 * Revision 1.3 1994/08/18 12:40:58 adam
17 * Some development of dictionary. Not finished at all!
19 * Revision 1.2 1994/08/17 13:32:20 adam
20 * Use cache in dict - not in bfile.
22 * Revision 1.1 1994/08/16 16:26:49 adam
33 Dict dict_open (const char *name, int cache, int rw)
38 char resource_str[80];
41 dict = xmalloc (sizeof(*dict));
43 sprintf (resource_str, "dict.%s.pagesize", name);
45 page_size = atoi (res_get_def (common_resource, resource_str,
46 DICT_DEFAULT_PAGESIZE));
49 log (LOG_WARN, "Resource %s was too small. Set to 1024", resource_str);
52 dict->dbf = dict_bf_open (name, page_size, cache, rw);
57 log (LOG_WARN, "Cannot open `%s'", name);
61 if (dict_bf_readp (dict->dbf, 0, &head_buf) <= 0)
64 { /* create header with information (page 0) */
65 dict_bf_newp (dict->dbf, 0, &head_buf);
66 dh = (struct Dict_head *) head_buf;
67 strcpy(dh->magic_str, DICT_MAGIC);
68 dh->free_list = dh->last = 1;
69 dh->page_size = page_size;
70 memcpy (&dict->head, dh, sizeof(*dh));
73 { /* no header present, i.e. no dictionary at all */
74 dict->head.free_list = dict->head.last = 0;
75 dict->head.page_size = page_size;
78 else /* header was there, check magic and page size */
80 dh = (struct Dict_head *) head_buf;
81 if (strcmp (dh->magic_str, DICT_MAGIC))
83 log (LOG_WARN, "Bad magic of `%s'", name);
84 dict_bf_close (dict->dbf);
88 if (dh->page_size != page_size)
90 log (LOG_WARN, "Resource %s is %d and pagesize of `%s' is %d",
91 resource_str, page_size, name, dh->page_size);
92 dict_bf_close (dict->dbf);
96 memcpy (&dict->head, dh, sizeof(*dh));
101 int dict_strcmp (const Dict_char *s1, const Dict_char *s2)
103 return strcmp (s1, s2);
106 int dict_strlen (const Dict_char *s)