Update copyright year + FSF address

[idzebra-moved-to-github.git] / dict / lookup.c

diff --git a/dict/lookup.c b/dict/lookup.c
index b7dd51c..82789fc 100644 (file)
--- a/dict/lookup.c
+++ b/dict/lookup.c
@@ -1,49 +1,36 @@
-/*
- * Copyright (C) 1994-1999, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: lookup.c,v $
- * Revision 1.9  1999-02-02 14:50:25  adam
- * Updated WIN32 code specific sections. Changed header.
- *
- * Revision 1.8  1998/03/05 08:17:24  adam
- * Added a few comments - no code changed.
- *
- * Revision 1.7  1996/02/02 13:43:51  adam
- * The public functions simply use char instead of Dict_char to represent
- * search strings. Dict_char is used internally only.
- *
- * Revision 1.6  1995/12/11  09:04:50  adam
- * Bug fix: the lookup/scan/lookgrep didn't handle empty dictionary.
- *
- * Revision 1.5  1995/09/04  09:09:15  adam
- * String arg in lookup is const.
- *
- * Revision 1.4  1994/10/05  12:16:51  adam
- * Pagesize is a resource now.
- *
- * Revision 1.3  1994/09/26  10:17:25  adam
- * Minor changes.
- *
- * Revision 1.2  1994/09/16  15:39:14  adam
- * Initial code of lookup - not tested yet.
- *
- * Revision 1.1  1994/08/16  16:26:48  adam
- * Added dict.
- *
- */
+/* $Id: lookup.c,v 1.15 2006-08-14 10:40:09 adam Exp $
+   Copyright (C) 1995-2006
+   Index Data ApS
+
+This file is part of the Zebra server.
+
+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
+
+*/
+
+
 
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <assert.h>
 
-#include <dict.h>
+#include "dict-p.h"
 
-static char *dict_look (Dict dict, const Dict_char *str)
+static char *dict_look (Dict dict, const Dict_char *str, Dict_ptr ptr)
 {
-    Dict_ptr ptr = 1;
     int mid, lo, hi;
     int cmp;
     void *p;
@@ -53,7 +40,7 @@ static char *dict_look (Dict dict, const Dict_char *str)
     dict_bf_readp (dict->dbf, ptr, &p);
     mid = lo = 0;
     hi = DICT_nodir(p)-1;
-    indxp = (short*) ((char*) p+DICT_pagesize(dict)-sizeof(short));    
+    indxp = (short*) ((char*) p+DICT_bsize(p)-sizeof(short));    
     while (lo <= hi)
     {
         mid = (lo+hi)/2;
@@ -97,8 +84,7 @@ static char *dict_look (Dict dict, const Dict_char *str)
                     dict_bf_readp (dict->dbf, ptr, &p);
                     mid = lo = 0;
                     hi = DICT_nodir(p)-1;
-                    indxp = (short*) ((char*) p+DICT_pagesize(dict)
-                                      -sizeof(short));
+                    indxp = (short*) ((char*) p+DICT_bsize(p)-sizeof(short));
                     continue;
                 }
             }
@@ -113,9 +99,15 @@ static char *dict_look (Dict dict, const Dict_char *str)
 
 char *dict_lookup (Dict dict, const char *p)
 {
-    if (dict->head.last <= 1)
+    if (!dict->head.root)
         return NULL;
-    return dict_look (dict, (const Dict_char *) p);
+    return dict_look (dict, (const Dict_char *) p, dict->head.root);
 }
-
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */