Bump year. Change Aps->ApS

[idzebra-moved-to-github.git] / dfa / states.c

diff --git a/dfa/states.c b/dfa/states.c
index 289d824..3e4542e 100644 (file)
--- a/dfa/states.c
+++ b/dfa/states.c
@@ -1,30 +1,37 @@
-/*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: states.c,v $
- * Revision 1.2  1995-01-24 16:00:23  adam
- * Added -ansi to CFLAGS.
- * Some changes to the dfa module.
- *
- * Revision 1.1  1994/09/26  10:16:58  adam
- * First version of dfa module in alex. This version uses yacc to parse
- * regular expressions. This should be hand-made instead.
- *
- */
+/* $Id: states.c,v 1.8 2005-01-15 19:38:19 adam Exp $
+   Copyright (C) 1995-2005
+   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 Zebra; see the file LICENSE.zebra.  If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
 #include <stdio.h>
 #include <assert.h>
 
 #include <stdlib.h>
 #include <string.h>
 
-#include <util.h>
 #include "dfap.h"
 #include "imalloc.h"
 
-#define DFA_CHUNK 200
-#define TRAN_CHUNK 800
+#define DFA_CHUNK 40
+#define TRAN_CHUNK 100
 
 int init_DFA_states (struct DFA_states **dfasp, SetType st, int hash)
 {
@@ -67,7 +74,8 @@ int rm_DFA_states (struct DFA_states **dfasp)
     struct DFA_trans  *tm, *tm1;
 
     assert (dfas);
-    ifree (dfas->hasharray);
+    if (dfas->hasharray)
+        ifree (dfas->hasharray);
     ifree (dfas->sortarray);
 
     for (tm=dfas->transmem; tm; tm=tm1)
@@ -95,6 +103,7 @@ int add_DFA_state (struct DFA_states *dfas, Set *s, struct DFA_state **sp)
 
     assert (dfas);
     assert (*s);
+    assert (dfas->hasharray);
     sip = dfas->hasharray + (hash_Set (dfas->st, *s) % dfas->hash);
     for (si = *sip; si; si=si->link)
         if (eq_Set (dfas->st, si->set, *s))
@@ -184,4 +193,6 @@ void sort_DFA_states (struct DFA_states *dfas)
         imalloc (sizeof(struct DFA_state *)*dfas->no);
     for (s = dfas->marked; s; s=s->next)
         dfas->sortarray[s->no] = s;
+    ifree (dfas->hasharray);
+    dfas->hasharray = NULL;
 }