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