-/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: open.c,v $
- * Revision 1.4 1994-09-01 17:44:10 adam
- * depend include change.
- * CVS ----------------------------------------------------------------------
- *
- * Revision 1.3 1994/08/18 12:40:58 adam
- * Some development of dictionary. Not finished at all!
- *
- * Revision 1.2 1994/08/17 13:32:20 adam
- * Use cache in dict - not in bfile.
- *
- * Revision 1.1 1994/08/16 16:26:49 adam
- * Added dict.
- *
- */
+/* This file is part of the Zebra server.
+ Copyright (C) 1994-2011 Index Data
+
+ Zebra is free software; you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free
+ Software Foundation; either version 2, or (at your option) any later
+ version.
+
+ Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
-#include <dict.h>
+#include "dict-p.h"
-Dict dict_open (const char *name, int cache, int rw)
+void dict_clean(Dict dict)
+{
+ int page_size = dict->head.page_size;
+ void *head_buf;
+ int compact_flag = dict->head.compact_flag;
+
+ memset(dict->head.magic_str, 0, sizeof(dict->head.magic_str));
+ strcpy(dict->head.magic_str, DICT_MAGIC);
+ dict->head.last = 1;
+ dict->head.root = 0;
+ dict->head.freelist = 0;
+ dict->head.page_size = page_size;
+ dict->head.compact_flag = compact_flag;
+
+ /* create header with information (page 0) */
+ if (dict->rw)
+ dict_bf_newp(dict->dbf, 0, &head_buf, page_size);
+}
+
+Dict dict_open(BFiles bfs, const char *name, int cache, int rw,
+ int compact_flag, int page_size)
{
Dict dict;
void *head_buf;
- struct Dict_head *dh;
- dict = xmalloc (sizeof(*dict));
+ dict = (Dict) xmalloc(sizeof(*dict));
- dict->dbf = dict_bf_open (name, DICT_PAGESIZE, cache, rw);
+ if (cache < 5)
+ cache = 5;
+
+ dict->grep_cmap = NULL;
+ page_size = DICT_DEFAULT_PAGESIZE;
+ if (page_size < 2048)
+ {
+ yaz_log(YLOG_WARN, "Page size for dict %s %d<2048. Set to 2048",
+ name, page_size);
+ page_size = 2048;
+ }
+ dict->dbf = dict_bf_open(bfs, name, page_size, cache, rw);
dict->rw = rw;
+ dict->no_split = 0;
+ dict->no_insert = 0;
+ dict->no_lookup = 0;
if(!dict->dbf)
{
- log (LOG_LOG, "cannot open `%s'", name);
- xfree (dict);
+ yaz_log(YLOG_WARN, "Cannot open `%s'", name);
+ xfree(dict);
return NULL;
}
- if (dict_bf_readp (dict->dbf, 0, &head_buf) <= 0)
+ if (dict_bf_readp(dict->dbf, 0, &head_buf) <= 0)
{
- if (rw)
- { /* create header with information (page 0) */
- dict_bf_newp (dict->dbf, 0, &head_buf);
- dh = (struct Dict_head *) head_buf;
- strcpy(dh->magic_str, DICT_MAGIC);
- dh->free_list = dh->last = 1;
- dh->page_size = DICT_PAGESIZE;
- memcpy (&dict->head, dh, sizeof(*dh));
- }
- else
- { /* no header present, i.e. no dictionary at all */
- dict->head.free_list = dict->head.last = 0;
- dict->head.page_size = DICT_PAGESIZE;
- }
+ dict->head.page_size = page_size;
+ dict->head.compact_flag = compact_flag;
+ dict_clean(dict);
}
else /* header was there, check magic and page size */
{
- dh = (struct Dict_head *) head_buf;
- if (strcmp (dh->magic_str, DICT_MAGIC))
+ memcpy(&dict->head, head_buf, sizeof(dict->head));
+ if (strcmp(dict->head.magic_str, DICT_MAGIC))
{
- log (LOG_LOG, "bad magic of `%s'", name);
- dict_bf_close (dict->dbf);
- xfree (dict);
- return NULL;
+ yaz_log(YLOG_WARN, "Bad magic of `%s'", name);
+ dict_bf_close(dict->dbf);
+ xfree(dict);
+ return 0;
}
- if (dh->page_size != DICT_PAGESIZE)
+ if (dict->head.page_size != page_size)
{
- log (LOG_LOG, "page size mismatch of `%s'", name);
- dict_bf_close (dict->dbf);
- xfree (dict);
- return NULL;
+ yaz_log(YLOG_WARN, "Page size for existing dict %s is %d. Current is %d",
+ name, dict->head.page_size, page_size);
}
- memcpy (&dict->head, dh, sizeof(*dh));
}
+ if (dict->head.compact_flag)
+ dict_bf_compact(dict->dbf);
return dict;
}
-int dict_strcmp (const Dict_char *s1, const Dict_char *s2)
+int dict_strcmp(const Dict_char *s1, const Dict_char *s2)
{
- return strcmp (s1, s2);
+ return strcmp((const char *) s1, (const char *) s2);
}
-int dict_strlen (const Dict_char *s)
+int dict_strncmp(const Dict_char *s1, const Dict_char *s2, size_t n)
{
- return strlen(s);
+ return strncmp((const char *) s1, (const char *) s2, n);
}
+
+int dict_strlen(const Dict_char *s)
+{
+ return strlen((const char *) s);
+}
+
+zint dict_get_no_lookup(Dict dict)
+{
+ return dict->no_lookup;
+}
+
+zint dict_get_no_insert(Dict dict)
+{
+ return dict->no_insert;
+}
+
+zint dict_get_no_split(Dict dict)
+{
+ return dict->no_split;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff