cgi-fcgi-perl: wip, doc comment

[chiark-utils.git] / cprogs / xduplic-copier.c

diff --git a/cprogs/xduplic-copier.c b/cprogs/xduplic-copier.c
index ff0830d27f13ac3ae931db6342c824758660723a..80374f96fc5a8d57c7b1f5fbfdd3baae235688d4 100644 (file)
--- a/cprogs/xduplic-copier.c
+++ b/cprogs/xduplic-copier.c
@@ -1,9 +1,9 @@
 /*
- * Copyright (C) 2002 Ian Jackson <ian@chiark.greenend.org.uk>
+ * Copyright (C) 2002,2013 Ian Jackson <ian@chiark.greenend.org.uk>
  *
  * This 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,
+ * published by the Free Software Foundation; either version 3,
  * or (at your option) any later version.
  *
  * This is distributed in the hope that it will be useful, but
@@ -11,9 +11,8 @@
  * 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 this file; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include <X11/Xlib.h>
@@ -25,6 +24,8 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <assert.h>
+#include <string.h>
+#include <unistd.h>
 
 static Display *display;
 static int selecting, l1_x, l1_y;
@@ -143,8 +144,7 @@ static void buttonpress(XButtonEvent *e) {
 
   if (e->window != e->root) return;
 
-  sw= XmuClientWindow(display, e->subwindow);
-  if (!sw) {
+  if (!e->subwindow) {
     if (!rightbutton) {
       stopselecting();
     } else {
@@ -159,6 +159,8 @@ static void buttonpress(XButtonEvent *e) {
     return;
   }
 
+  sw= XmuClientWindow(display, e->subwindow);
+
   if (sw == w) { beep(); return; }
 
   for (ownp=&headwn;