X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=odr%2Fodr_null.c;h=b4fbf64fee86d1387987afe60d0b2fabef34d69e;hb=a8f0f1b7224655f2546b71608dbe8520ebc4f254;hp=2db79527212103179937a513e0e83c8177a3d029;hpb=10981b2f116449523a9f628c20a78212ce91553e;p=yaz-moved-to-github.git

diff --git a/odr/odr_null.c b/odr/odr_null.c
index 2db7952..b4fbf64 100644
--- a/odr/odr_null.c
+++ b/odr/odr_null.c
@@ -1,10 +1,22 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: odr_null.c,v $
- * Revision 1.2  1995-02-09 15:51:49  quinn
+ * Revision 1.6  1995-05-22 11:32:03  quinn
+ * Fixing Interface to odr_null.
+ *
+ * Revision 1.5  1995/05/16  08:50:56  quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.4  1995/03/08  12:12:26  quinn
+ * Added better error checking.
+ *
+ * Revision 1.3  1995/02/10  18:57:25  quinn
+ * More in the way of error-checking.
+ *
+ * Revision 1.2  1995/02/09  15:51:49  quinn
  * Works better now.
  *
  * Revision 1.1  1995/02/02  16:21:54  quinn
@@ -18,33 +30,32 @@
  * Top level null en/decoder.
  * Returns 1 on success, 0 on error.
  */
-int odr_null(ODR o, int **p, int opt)
+int odr_null(ODR o, Odr_null **p, int opt)
 {
     int res, cons = 0;
-    static int nullval = 0;
 
+    if (o->error)
+    	return 0;
     if (o->t_class < 0)
     {
     	o->t_class = ODR_UNIVERSAL;
     	o->t_tag = ODR_NULL;
     }
-    if (o->direction == ODR_DECODE)
-    	*p =0;
-    if ((res = ber_tag(o, *p, o->t_class, o->t_tag, &cons)) < 0)
+    if ((res = ber_tag(o, p, o->t_class, o->t_tag, &cons, opt)) < 0)
     	return 0;
     if (!res)
-    {
-    	*p = 0;
     	return opt;
-    }
     if (o->direction == ODR_PRINT)
     {
     	fprintf(o->print, "%sNULL\n", odr_indent(o));
     	return 1;
     }
     if (cons)
+    {
+    	o->error = OPROTO;
     	return 0;
+    }
     if (o->direction == ODR_DECODE)
-    	*p = &nullval;
-    return ber_null(o, *p);
+    	*p = ODR_NULLVAL;
+    return ber_null(o);
 }