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Giovanni Mascellani 257927c51b xcb_io: Allow jumps backwards when widening the request number. 
Request numbers are not always seen in the numeric order by widen(),
for example due to Mesa directly calling _XError(). When this happens,
widen() adds 2^32 to the reported widened number, triggering failed
assertions and bad behavior.

With this commit, wrapping of the lower dword is detected in a more
robust way, by requiring that a skip of at least 2^31 is seen.

This fixes issue #152.

Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
2022-03-23 16:22:25 +00:00
include Xlib.h: fix spelling in comment 2022-02-14 00:23:09 -06:00
m4 Use __builtin_popcountl if available to replace Ones() in GetImage.c 2020-09-28 16:16:07 -07:00
man docs: unwrap the comments of structure elements in the man pages 2022-01-14 17:19:37 +00:00
modules imDefLkup: verify that a pointer isn't NULL before using it 2022-02-14 11:47:46 +01:00
nls nls: add a compose sequence for the peace symbol 2022-03-03 12:06:35 +01:00
specs docs: unwrap some mistakenly wrapped lines, and correct a comment 2022-01-14 17:19:37 +00:00
src xcb_io: Allow jumps backwards when widening the request number. 2022-03-23 16:22:25 +00:00
.gitignore Ignore test-driver (used by newer autoconf). 2015-07-19 23:01:05 +02:00
.gitlab-ci.yml gitlab CI: enable Static Application Security Testing (SAST) 2022-02-20 11:52:22 -08:00
AUTHORS libX11 1.5.0 2012-06-01 23:37:09 -07:00
autogen.sh autogen: add default patch prefix 2017-01-26 13:52:49 +10:00
configure.ac libX11 1.7.3.1 2021-12-09 19:51:52 -08:00
COPYING Bug 19379 - Provide docs with overview of all compose key combinations 2010-09-21 18:22:21 -07:00
cpprules.in Fix cross-compilation from macOS 2021-06-15 08:47:31 +01:00
docbook.am docbook.am: embed css styles inside the HTML HEAD element 2011-12-30 17:08:14 -05:00
Makefile.am Update README for gitlab migration 2018-11-19 21:26:23 -08:00
NEWS Move security fixes to the top of NEWS, and fix spacing. 2007-06-03 21:41:47 -07:00
README.md docs: add missing word, wrap line, fix typo, and trim an excess space 2022-02-02 14:11:53 +01:00
x11-xcb.pc.in Split public Xlib/XCB functions into libX11-xcb 2006-10-05 17:44:22 -07:00
x11.pc.in Bug 15664: xau & xdmcp not needed in x11.pc dependencies when built with xcb 2009-03-12 17:11:42 -07:00

README.md

libX11 - Core X11 protocol client library

Documentation for this library can be found in the included man pages, and in the Xlib spec from the specs subdirectory, also available at:

and the O'Reilly Xlib books, which they have made freely available online, though only for older versions of X11:

All questions regarding this software should be directed at the Xorg mailing list:

https://lists.x.org/mailman/listinfo/xorg

The primary development code repository can be found at:

https://gitlab.freedesktop.org/xorg/lib/libX11

Please submit bug reports and requests to merge patches there.

For patch submission instructions, see:

https://www.x.org/wiki/Development/Documentation/SubmittingPatches

Release 1.7.2

This is a bug fix release, correcting a regression introduced by and improving the checks from the fix for CVE-2021-31535.

Release 1.7.1

This is a bug fix release, including a security fix for CVE-2021-31535, nls and documentation corrections.

  • Reject string longer than USHRT_MAX before sending them on the wire
  • Fix out-of-bound access in KeySymToUcs4()
  • nls: allow composing all breved letters also with a lowercase "u"
  • nls: add 'C.utf8' as an alias for 'en_US.UTF-8'
  • Nroff code fixes
  • Comments fixes

Release 1.7.0

Version 1.7.0 includes a new API, hence the change from the 1.6 series to 1.7:

  • XSetIOErrorExitHandler which provides a mechanism for applications to recover from I/O error conditions instead of being forced to exit. Thanks to Carlos Garnacho for this.

This release includes a bunch of bug fixes, some of which have been pending for over three years:

  • A bunch of nls cleanups to remove obsolete entries and clean up formatting of the list. Thanks to Benno Schulenberg for these.

  • Warning fixes and other cleanups across a huge swath of the library. Thanks to Alan Coopersmith for these.

  • Memory allocation bugs, including leaks and use after free in the locale code. Thanks to Krzesimir Nowak, Jacek Caban and Vittorio Zecca for these.

  • Thread safety fixes in the locale code. Thanks to Jacek Caban for these.

  • poll_for_response race condition fix. Thanks to Frediano Ziglio for the bulk of this effort, and to Peter Hutterer for careful review and improvements.

Version 1.7.0 includes a couple of new locales:

  • ia and ie locales. Thanks to Carmina16 for these.

There are also numerous compose entries added, including:

  • |^ or ^| for ↑, |v or v| for ↓, ~~ for ≈. Thanks to Antti Savolainen for this.

  • Allowing use of 'v' for caron, in addition to 'c', so things like vC for Č, vc for č. Thanks to Benno Schulenberg for this.

  • Compose sequences LT, lt for '<', and GT, gt for '>' for keyboards where those are difficult to access. Thanks to Jonathan Belsewir for this.