diff --git a/isdnlog/isdnlog/processor.c b/isdnlog/isdnlog/processor.c
index 8f155334..19067a0c 100644
--- a/isdnlog/isdnlog/processor.c
+++ b/isdnlog/isdnlog/processor.c
@@ -1,4 +1,4 @@
-/* $Id: processor.c,v 1.134 2007/01/05 04:23:58 tobiasb Exp $
+/* $Id: processor.c,v 1.135 2007/05/17 21:10:29 keil Exp $
  *
  * ISDN accounting for isdn4linux. (log-module)
  *
@@ -19,6 +19,9 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  * $Log: processor.c,v $
+ * Revision 1.135  2007/05/17 21:10:29  keil
+ * fix compiler warnings
+ *
  * Revision 1.134  2007/01/05 04:23:58  tobiasb
  * Made isdnrep and isdnrate buildable under cygwin. See ChangeLog for details.
  *
@@ -5570,7 +5573,8 @@ doppelt:break;
             strcat(sx, " ");
             strcat(sx, qmsg(TYPE_CAUSE, version, call[chan].cause));
 
-            if (((p = location(call[chan].loc)) != "")) {
+            p = location(call[chan].loc);
+            if (p && *p) {
               strcat(sx, " (");
               strcat(sx, p);
               strcat(sx, ")");
diff --git a/vbox/src/vbox.c b/vbox/src/vbox.c
index 868f82f4..6359b697 100644
--- a/vbox/src/vbox.c
+++ b/vbox/src/vbox.c
@@ -1,5 +1,5 @@
 /*
-** $Id: vbox.c,v 1.11 2002/01/31 20:10:20 paul Exp $
+** $Id: vbox.c,v 1.12 2007/05/17 21:10:29 keil Exp $
 **
 ** Copyright (C) 1996, 1997 Michael 'Ghandi' Herold
 */
@@ -261,7 +261,7 @@ int main(int argc, char **argv)
 		fflush(stdout);
 	}
 
-	if ((!loginname) || (!*loginname) || (!loginpass) || (!*loginpass))
+	if ((*loginname == 0) || (*loginpass == 0))
 	{
 		fprintf(stderr, "%s: you must enter a login name and a password.\n", vbasename);