https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=4261a8f5cac478ee299f0feb3ae478dbf287427e
commit 4261a8f5cac478ee299f0feb3ae478dbf287427e Author: Ken Brown <kbr...@cornell.edu> Date: Fri Jan 17 10:52:54 2020 -0500 Cygwin: document recent changes Diff: --- winsup/cygwin/release/3.1.3 | 19 ++++++++++++++++--- winsup/doc/new-features.xml | 15 +++++++++++++++ 2 files changed, 31 insertions(+), 3 deletions(-) diff --git a/winsup/cygwin/release/3.1.3 b/winsup/cygwin/release/3.1.3 index 4897411..425d8bb 100644 --- a/winsup/cygwin/release/3.1.3 +++ b/winsup/cygwin/release/3.1.3 @@ -1,5 +1,18 @@ -Bug Fixes ---------- +What changed: +------------- + +- Allow symlinks to be opened with O_PATH | O_NOFOLLOW. + +- Allow the pathname argument to readlinkat(2) to be an empty string, + provided the dirfd argument refers to a symlink opened with + O_PATH | O_NOFOLLOW. The readlinkat call then operates on that + symlink. + +- Support the Linux-specific AT_EMPTY_PATH flag for fchownat(2) and + fstatat(2). + +Bug Fixes: +---------- - Define CPU_SETSIZE, as on Linux. Addresses: https://cygwin.com/ml/cygwin/2019-12/msg00248.html @@ -7,6 +20,6 @@ Bug Fixes - Fix the problem which overrides the code page setting. Addresses: https://www.cygwin.com/ml/cygwin/2019-12/msg00292.html -- Fix a regression that prevents the root of a drive from being the +- Fix a regression that prevented the root of a drive from being the Cygwin installation root. Addresses: https://cygwin.com/ml/cygwin/2020-01/msg00111.html diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml index 65bdc17..967c64a 100644 --- a/winsup/doc/new-features.xml +++ b/winsup/doc/new-features.xml @@ -54,6 +54,21 @@ Allow times(2) to have a NULL argument, as on Linux. Improve /proc/cpuinfo output and align more closely with Linux. </para></listitem> +<listitem><para> +Allow symlinks to be opened with O_PATH | O_NOFOLLOW. +</para></listitem> + +<listitem><para> +Allow the pathname argument to readlinkat(2) to be an empty string, +provided the dirfd argument refers to a symlink opened with O_PATH | +O_NOFOLLOW. The readlinkat call then operates on that symlink. +</para></listitem> + +<listitem><para> +Support the Linux-specific AT_EMPTY_PATH flag for fchownat(2) and +fstatat(2). +</para></listitem> + </itemizedlist> </sect2>