1 /* $Id: open.c,v 1.19 2002-08-02 19:26:55 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
31 Dict dict_open (BFiles bfs, const char *name, int cache, int rw,
36 char resource_str[80];
39 dict = (Dict) xmalloc (sizeof(*dict));
43 sprintf (resource_str, "dict.%s.pagesize", name);
45 dict->grep_cmap = NULL;
46 page_size = DICT_DEFAULT_PAGESIZE;
49 logf (LOG_WARN, "Resource %s was too small. Set to 2048",
53 dict->dbf = dict_bf_open (bfs, name, page_size, cache, rw);
58 logf (LOG_WARN, "Cannot open `%s'", name);
62 if (dict_bf_readp (dict->dbf, 0, &head_buf) <= 0)
64 memset (dict->head.magic_str, 0, sizeof(dict->head.magic_str));
65 strcpy (dict->head.magic_str, DICT_MAGIC);
68 dict->head.freelist = 0;
69 dict->head.page_size = page_size;
70 dict->head.compact_flag = compact_flag;
72 /* create header with information (page 0) */
74 dict_bf_newp (dict->dbf, 0, &head_buf, page_size);
76 else /* header was there, check magic and page size */
78 memcpy (&dict->head, head_buf, sizeof(dict->head));
79 if (strcmp (dict->head.magic_str, DICT_MAGIC))
81 logf (LOG_WARN, "Bad magic of `%s'", name);
84 if (dict->head.page_size != page_size)
86 logf (LOG_WARN, "Resource %s is %d and pagesize of `%s' is %d",
87 resource_str, page_size, name, dict->head.page_size);
91 if (dict->head.compact_flag)
92 dict_bf_compact(dict->dbf);
96 int dict_strcmp (const Dict_char *s1, const Dict_char *s2)
98 return strcmp ((const char *) s1, (const char *) s2);
101 int dict_strncmp (const Dict_char *s1, const Dict_char *s2, size_t n)
103 return strncmp ((const char *) s1, (const char *) s2, n);
106 int dict_strlen (const Dict_char *s)
108 return strlen((const char *) s);