mirror of
https://github.com/SwallowOS/xorg_lib_libxcb
synced 2025-11-04 13:54:44 +08:00
aa02096b8e
The code previously assumed that everything has to be aligned to a 4 byte boundary. This assumption is wrong as e.g. the STR struct from xproto shows. Instead, each type has to be aligned to its natural alignment. So a char doesn't need any alignment, a INT16 gets aligned to a 2-byte-boundary and a INT32 gets the old 4 byte alignment. I'm not 100% sure that this commit is correct, but some quick tests with awesome and cairo-xcb went well. This commit causes lots of dead assignments to xcb_align_to since only the last field's alignment is actually used, but this simplified this patch a lot. Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=34037 Signed-off-by: Uli Schlachter <psychon@znc.in> Signed-off-by: Peter Harris <pharris@opentext.com>
About libxcb
============
libxcb provides an interface to the X Window System protocol, which
replaces the current Xlib interface. It has several advantages over
Xlib, including:
- size: small, simple library, and lower memory footprint
- latency hiding: batch several requests and wait for the replies later
- direct protocol access: interface and protocol correspond exactly
- proven thread support: transparently access XCB from multiple threads
- easy extension implementation: interfaces auto-generated from XML-XCB
Xlib can also use XCB as a transport layer, allowing software to make
requests and receive responses with both, which eases porting to XCB.
However, client programs, libraries, and toolkits will gain the most
benefit from a native XCB port.
Please report any issues you find to the freedesktop.org bug tracker,
at:
<https://bugs.freedesktop.org/enter_bug.cgi?product=XCB>
Discussion about XCB occurs on the XCB mailing list:
<mailto:xcb at lists.freedesktop.org>
<http://lists.freedesktop.org/mailman/listinfo/xcb>
You can obtain the latest development versions of XCB using GIT.
For anonymous checkouts, use:
git clone git://anongit.freedesktop.org/git/xcb/libxcb
For developers, use:
git clone git+ssh://git.freedesktop.org/git/xcb/libxcb