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| | Description: Correct 64 Architecture implementation of 32 bit data
Author: Chris Donoghue <cdonoghu@gmail.com>
Bug-Debian: http://bugs.debian.org/362068
--- wmctrl-1.07.orig/main.c
+++ wmctrl-1.07/main.c
@@ -1425,6 +1425,16 @@ static gchar *get_property (Display *dis
*
* long_length = Specifies the length in 32-bit multiples of the
* data to be retrieved.
+ *
+ * NOTE: see
+ * http://mail.gnome.org/archives/wm-spec-list/2003-March/msg00067.html
+ * In particular:
+ *
+ * When the X window system was ported to 64-bit architectures, a
+ * rather peculiar design decision was made. 32-bit quantities such
+ * as Window IDs, atoms, etc, were kept as longs in the client side
+ * APIs, even when long was changed to 64 bits.
+ *
*/
if (XGetWindowProperty(disp, win, xa_prop_name, 0, MAX_PROPERTY_VALUE_LEN / 4, False,
xa_prop_type, &xa_ret_type, &ret_format,
@@ -1441,6 +1451,8 @@ static gchar *get_property (Display *dis
/* null terminate the result to make string handling easier */
tmp_size = (ret_format / 8) * ret_nitems;
+ /* Correct 64 Architecture implementation of 32 bit data */
+ if(ret_format==32) tmp_size *= sizeof(long)/4;
ret = g_malloc(tmp_size + 1);
memcpy(ret, ret_prop, tmp_size);
ret[tmp_size] = '\0';
|