http://ftp.ksu.edu.tw/FTP/FreeBSD/distfiles/xscreensaver-4.23.tar.gz

[xscreensaver] / driver / xscreensaver-command.c

diff --git a/driver/xscreensaver-command.c b/driver/xscreensaver-command.c
index fe08d2ea640a8efbe005a9576f4d688853c26055..a74b0c1b86e37fab4431dce7ca8814267b641793 100644 (file)
--- a/driver/xscreensaver-command.c
+++ b/driver/xscreensaver-command.c
@@ -23,7 +23,7 @@
 # include <unistd.h>
 #endif
 
-#include <X11/Xproto.h>                /* for CARD32 */
+/* #include <X11/Xproto.h>     / * for CARD32 */
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>         /* for XGetClassHint() */
@@ -31,6 +31,14 @@
 
 #include <X11/Intrinsic.h>     /* only needed to get through xscreensaver.h */
 
+
+/* You might think that to read an array of 32-bit quantities out of a
+   server-side property, you would pass an array of 32-bit data quantities
+   into XGetWindowProperty().  You would be wrong.  You have to use an array
+   of longs, even if long is 64 bits (using 32 of each 64.)
+ */
+typedef long PROP32;
+
 #include "remote.h"
 #include "version.h"
 
@@ -95,9 +103,8 @@ usage: %s -<option>\n\
                 with a particular graphics demo.  (The first element in the\n\
                 list is numbered 1, not 0.)\n\
 \n\
-  -exit         Causes the xscreensaver process to exit gracefully.  This is\n\
-                roughly the same as killing the process with `kill', but it\n\
-                is easier, since you don't need to first figure out the pid.\n\
+  -exit         Causes the xscreensaver process to exit gracefully.\n\
+                This does nothing if the display is currently locked.\n\
                 (Note that one must *never* kill xscreensaver with -9!)\n\
 \n\
   -restart      Causes the screensaver process to exit and then restart with\n\
@@ -326,7 +333,7 @@ watch (Display *dpy)
   Window window = RootWindow (dpy, 0);
   XWindowAttributes xgwa;
   XEvent event;
-  CARD32 *last = 0;
+  PROP32 *last = 0;
 
   if (v) free (v);
   XGetWindowAttributes (dpy, window, &xgwa);
@@ -358,7 +365,7 @@ watch (Display *dpy)
               char *s;
               Bool changed = False;
               Bool running = False;
-              CARD32 *data = (CARD32 *) dataP;
+              PROP32 *data = (PROP32 *) dataP;
 
               if (type != XA_INTEGER || nitems < 3)
                 {