Mercurial > hg
view contrib/packagelib.sh @ 30830:08fa3a76a080
zstd: prevent potential free() of uninitialized memory
This is a cherry pick of an upstream fix. The free() of uninitialed
memory could likely only occur if a malloc() inside zstd fails.
The patched functions aren't currently used by Mercurial. But I don't
like leaving footguns sitting around.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 17 Jan 2017 10:17:13 -0800 |
parents | 13f90dde8f8c |
children | 9dccaff02ad5 |
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# Extract version number into 4 parts, some of which may be empty: # # version: the numeric part of the most recent tag. Will always look like 1.3. # # type: if an rc build, "rc", otherwise empty # # distance: the distance from the nearest tag, or empty if built from a tag # # node: the node|short hg was built from, or empty if built from a tag gethgversion() { make cleanbutpackages make local || make local PURE=--pure HG="$PWD/hg" $HG version > /dev/null || { echo 'abort: hg version failed!'; exit 1 ; } hgversion=`$HG version | sed -ne 's/.*(version \(.*\))$/\1/p'` if echo $hgversion | grep + > /dev/null 2>&1 ; then tmp=`echo $hgversion | cut -d+ -f 2` hgversion=`echo $hgversion | cut -d+ -f 1` distance=`echo $tmp | cut -d- -f 1` node=`echo $tmp | cut -d- -f 2` else distance='' node='' fi if echo $hgversion | grep -- '-' > /dev/null 2>&1; then version=`echo $hgversion | cut -d- -f1` type=`echo $hgversion | cut -d- -f2` else version=$hgversion type='' fi }