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ver_linux: libc, input redirection to sed fails in some distros

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The current implementation has been found not to work across all distros.

The proposed implementation relies on 'sed' to both output the string
'Linux C Library' as well as to open '/proc/self/maps' without having
to use output redirection.

Tested on:
Gentoo Linux
Debian 6.0.10
Oracle Linux Server release 7.1
Arch Linux
openSuSE 13.2

Signed-off-by: Alexander Kapshuk <alexander.kapshuk@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Kapshuk 2015-10-12 21:39:53 +03:00 committed by Greg Kroah-Hartman
parent b903fa982d
commit cbb57d10af
1 changed files with 6 additions and 2 deletions
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8
scripts/ver_linux
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@ -107,8 +107,12 @@ isdnctrl 2>&1 | grep version | awk \
showmount --version 2>&1 | grep nfs-utils | awk \
'NR==1{print "nfs-utils ", $NF}'
echo -n "Linux C Library "
sed -n -e '/^.*\/libc-\([^/]*\)\.so$/{s//\1/;p;q}' < /proc/self/maps
test -r /proc/self/maps &&
sed '
/.*libc-\(.*\)\.so$/!d
s//Linux C Library\t\t\1/
q
' /proc/self/maps
ldd -v > /dev/null 2>&1 && ldd -v || ldd --version |head -n 1 | awk \
'NR==1{print "Dynamic linker (ldd) ", $NF}'