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Corinna Vinschen 35998fc2fa Cygwin: normalize_win32_path: Avoid buffer underruns 
Thanks to Ken Harris <Ken.Harris@mathworks.com> for the diagnosis.

When backing up tail to handle a "..", the code only checked that
it didn't underrun the destination buffer while removing path
components.  It did *not* take into account that the first backslash
in the path had to be kept intact.  Example path to trigger the
problem: "C:\A..\..\..\B'

Fix this by moving the dst pointer to the first backslash so subsequent
tests cannot underrun this position.  Also make sure that we always
*have* a backslash.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
 		2018-05-29 18:23:14 +02:00
..
CVSChangeLogs.old winsup: Move all old CVS Changelogs into CVSChangeLogs.old dir 2016-03-19 13:59:52 +01:00
cygserver cygserver: remove all asserts on "this" 2017-11-28 19:08:04 +01:00
cygwin Cygwin: normalize_win32_path: Avoid buffer underruns 2018-05-29 18:23:14 +02:00
doc describe new locale modifier @cjkwide for user guide 2018-03-08 08:14:39 +01:00
lsaauth Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
testsuite Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
utils Cygwin: fix utils path handling in case cygdrive path is just '/' 2018-02-16 17:21:48 +01:00
CONTRIBUTORS winsup: Belatedly add Mark Geisert to CONTRIBUTORS 2017-12-18 19:46:18 +01:00
COPYING * COPYING: Replace with the GPLv3 definition. 2011-04-19 16:52:51 +00:00
COPYING.LIB Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
CYGWIN_LICENSE Clarify source file license in CYGWIN_LICENSE 2016-06-23 21:52:12 +02:00
Makefile.common Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
Makefile.in Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
README Fix typo and wrong URL in winsup/README 2016-05-24 10:25:18 +02:00
acinclude.m4 ChangeLog: 2012-11-23 13:22:47 +00:00
aclocal.m4 winsup/ChangeLog: 2013-11-07 00:19:52 +00:00
autogen.sh ChangeLog: 2012-11-23 13:22:47 +00:00
c++wrap ChangeLog: 2012-11-23 13:22:47 +00:00
ccwrap ccwrap: fix build with non-english locale set (v2) 2016-02-29 14:44:23 +01:00
config.guess ChangeLog: 2012-11-23 13:22:47 +00:00
config.sub ChangeLog: 2012-11-23 13:22:47 +00:00
configure Rename without-mingw-progs to with-cross-bootstrap 2016-04-04 16:39:41 +02:00
configure.ac Switching the Cygwin DLL to LGPLv3+, dropping commercial buyout option 2016-06-23 10:09:17 +02:00
configure.cygwin winsup/ChangeLog: 2013-11-07 00:19:52 +00:00
install-sh ChangeLog: 2012-11-23 13:22:47 +00:00

README 

THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR
IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Cygwin documentation is available on the net at https://cygwin.com
You might especially be interested in

https://cygwin.com/faq/faq.html#faq.programming.building-cygwin