X-Git-Url: http://sru.miketaylor.org.uk/?a=blobdiff_plain;f=dfa%2Fdfa.c;h=b2afb6f8d5a906f66961b11f128901029be9b8ec;hb=40ca1d08c1d83b92e0b90951d918b252c61c63b2;hp=0104852780d919fecee39ec7c8da834245be5af3;hpb=4461019c0de49358856cb1c84ca162395b247f16;p=idzebra-moved-to-github.git

diff --git a/dfa/dfa.c b/dfa/dfa.c
index 0104852..b2afb6f 100644
--- a/dfa/dfa.c
+++ b/dfa/dfa.c
@@ -4,7 +4,16 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: dfa.c,v $
- * Revision 1.2  1995-01-25 11:30:50  adam
+ * Revision 1.5  1995-10-02 15:17:58  adam
+ * Bug fix in dfa_delete.
+ *
+ * Revision 1.4  1995/09/28  09:18:52  adam
+ * Removed various preprocessor defines.
+ *
+ * Revision 1.3  1995/09/04  12:33:26  adam
+ * Various cleanup. YAZ util used instead.
+ *
+ * Revision 1.2  1995/01/25  11:30:50  adam
  * Simple error reporting when parsing regular expressions.
  * Memory usage reduced.
  *
@@ -20,7 +29,7 @@
 #include <string.h>
 #include <ctype.h>
 
-#include <util.h>
+#include <alexutil.h>
 #include "dfap.h"
 #include "imalloc.h"
 
@@ -57,7 +66,6 @@ int debug_dfa_trav  = 0;
 int debug_dfa_tran  = 0;
 int debug_dfa_followpos = 0;
 int dfa_verbose = 0;
-int yydebug = 0;
 
 static struct DFA_parse *parse_info = NULL;
 
@@ -967,7 +975,8 @@ void dfa_delete (struct DFA **dfap)
     assert (*dfap);
     if ((*dfap)->parse_info)
         rm_dfa_parse (&(*dfap)->parse_info);
-    rm_DFA_states (&(*dfap)->state_info);
+    if ((*dfap)->state_info)
+        rm_DFA_states (&(*dfap)->state_info);
     ifree (*dfap);
     *dfap = NULL;
 }