fix_dce moved from der_put.c

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1452 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/asn1/der_get.c

@@ -260,3 +260,15 @@ decode_generalized_time (unsigned char *p, int len, time_t *t)
   free (k.data);
   return ret;
 }
+
+
+int
+fix_dce(int reallen, int *len)
+{
+    if(reallen == 0)
+	return 1;
+    if(*len < reallen)
+	return -1;
+    *len = reallen;
+    return 0;
+}