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|
--- ./lddtree.sh.orig 2014-03-18 13:38:57.284756931 +0100
+++ ./lddtree.sh 2014-03-18 13:22:47.296407170 +0100
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# Copyright 2007-2013 Gentoo Foundation
# Copyright 2007-2013 Mike Frysinger <vapier@gentoo.org>
# Distributed under the terms of the GNU General Public License v2
@@ -7,8 +7,9 @@
argv0=${0##*/}
: ${ROOT:=/}
-[[ ${ROOT} != */ ]] && ROOT="${ROOT}/"
-[[ ${ROOT} != /* ]] && ROOT="${PWD}${ROOT}"
+
+[ "${ROOT}" = "${ROOT%/}" ] && ROOT="${ROOT}/"
+[ "${ROOT}" = "${ROOT#/}" ] && ROOT="${PWD}/${ROOT}"
usage() {
cat <<-EOF
@@ -54,7 +55,7 @@
_find_elf=''
local elf=$1 needed_by=$2
- if [[ ${elf} == */* ]] && [[ -e ${elf} ]] ; then
+ if [ "${elf}" != "${elf##*/}" ] && [ -e "${elf}" ] ; then
_find_elf=${elf}
return 0
else
@@ -63,8 +64,8 @@
local path pe
for path ; do
pe="${path%/}/${elf#/}"
- if [[ -e ${pe} ]] ; then
- if [[ $(elf_specs "${pe}") == "${elf_specs}" ]] ; then
+ if [ -e "${pe}" ] ; then
+ if [ "$(elf_specs "${pe}")" = "${elf_specs}" ] ; then
_find_elf=${pe}
return 0
fi
@@ -73,52 +74,53 @@
return 1
}
- if [[ ${c_last_needed_by} != ${needed_by} ]] ; then
- c_last_needed_by=${needed_by}
+ if [ "${c_last_needed_by}" != "${needed_by}" ] ; then
+ c_last_needed_by="${needed_by}"
c_last_needed_by_rpaths=$(scanelf -qF '#F%r' "${needed_by}" | \
sed -e 's|:| |g' -e "s:[$]ORIGIN:${needed_by%/*}:")
fi
check_paths "${elf}" ${c_last_needed_by_rpaths} && return 0
- if [[ -n ${LD_LIBRARY_PATH} ]] ; then
+ if [ -n "${LD_LIBRARY_PATH}" ] ; then
# Need to handle empty paths as $PWD,
# and handle spaces in between the colons
local p path=${LD_LIBRARY_PATH}
while : ; do
p=${path%%:*}
check_paths "${elf}" "${p:-${PWD}}" && return 0
- [[ ${path} == *:* ]] || break
+ [ "${path}" = "${path#*:}" ] && break
path=${path#*:}
done
fi
if ! ${c_ldso_paths_loaded} ; then
c_ldso_paths_loaded='true'
- c_ldso_paths=()
- if [[ -r ${ROOT}etc/ld.so.conf ]] ; then
+ c_ldso_paths=
+ if [ -r ${ROOT}etc/ld.so.conf ] ; then
read_ldso_conf() {
local line p
for p ; do
# if the glob didnt match anything #360041,
# or the files arent readable, skip it
- [[ -r ${p} ]] || continue
+ [ -r "${p}" ] || continue
while read line ; do
case ${line} in
"#"*) ;;
"include "*) read_ldso_conf ${line#* } ;;
- *) c_ldso_paths+=( "${ROOT}${line#/}" ) ;;
+ *) c_ldso_paths="$c_ldso_paths:${ROOT}${line#/}";;
esac
done <"${p}"
done
}
# the 'include' command is relative
- pushd "${ROOT}"etc >/dev/null
+ local _oldpwd="$PWD"
+ cd "$ROOT"etc >/dev/null
read_ldso_conf "${ROOT}"etc/ld.so.conf
- popd >/dev/null
+ cd "$_oldpwd"
fi
fi
- if [[ ${#c_ldso_paths[@]} -gt 0 ]] ; then
- check_paths "${elf}" "${c_ldso_paths[@]}" && return 0
+ if [ -n "${c_ldso_paths}" ] ; then
+ check_paths "${elf}" ${c_ldso_paths//:/ } && return 0
fi
check_paths "${elf}" ${lib_paths_ldso:-${lib_paths_fallback}} && return 0
@@ -135,27 +137,29 @@
elf=${elf##*/}
${LIST} || printf "%${indent}s%s => " "" "${elf}"
- if [[ ,${parent_elfs}, == *,${elf},* ]] ; then
+ case ",${parent_elfs}," in
+ *,${elf},*)
${LIST} || printf "!!! circular loop !!!\n" ""
return
- fi
+ ;;
+ esac
parent_elfs="${parent_elfs},${elf}"
if ${LIST} ; then
echo "${resolved:-$1}"
else
printf "${resolved:-not found}"
fi
- if [[ ${indent} -eq 0 ]] ; then
+ if [ ${indent} -eq 0 ] ; then
elf_specs=$(elf_specs "${resolved}")
interp=$(scanelf -qF '#F%i' "${resolved}")
- [[ -n ${interp} ]] && interp="${ROOT}${interp#/}"
+ [ -n "${interp}" ] && interp="${ROOT}${interp#/}"
if ${LIST} ; then
- [[ -n ${interp} ]] && echo "${interp}"
+ [ -n "${interp}" ] && echo "${interp}"
else
printf " (interpreter => ${interp:-none})"
fi
- if [[ -r ${interp} ]] ; then
+ if [ -r "${interp}" ] ; then
# Extract the default lib paths out of the ldso.
lib_paths_ldso=$(
strings "${interp}" | \
@@ -166,7 +170,7 @@
fi
${LIST} || printf "\n"
- [[ -z ${resolved} ]] && return
+ [ -z "${resolved}" ] && return
libs=$(scanelf -qF '#F%n' "${resolved}")
@@ -178,16 +182,15 @@
for lib in ${libs//,/ } ; do
lib=${lib##*/}
- [[ ,${my_allhits}, == *,${lib},* ]] && continue
+ case ",${my_allhits}," in
+ *,${lib},*) continue;;
+ esac
find_elf "${lib}" "${resolved}"
rlib=${_find_elf}
show_elf "${rlib:-${lib}}" $((indent + 4)) "${parent_elfs}"
done
}
-# XXX: internal hack
-if [[ $1 != "/../..source.lddtree" ]] ; then
-
SHOW_ALL=false
SET_X=false
LIST=false
@@ -210,8 +213,8 @@
?) usage 1;;
esac
done
-shift $((OPTIND - 1))
-[[ -z $1 ]] && usage 1
+shift $(( $OPTIND - 1))
+[ -z "$1" ] && usage 1
${SET_X} && set -x
@@ -219,21 +222,20 @@
for elf ; do
unset lib_paths_ldso
unset c_last_needed_by
- if ${AUTO_ROOT} && [[ ${elf} == /* ]] ; then
+ if ${AUTO_ROOT} && [ -z "${elf##/*}" ] ; then
elf="${ROOT}${elf#/}"
fi
- if [[ ! -e ${elf} ]] ; then
+ if [ ! -e "${elf}" ] ; then
error "${elf}: file does not exist"
- elif [[ ! -r ${elf} ]] ; then
+ elif [ ! -r "${elf}" ] ; then
error "${elf}: file is not readable"
- elif [[ -d ${elf} ]] ; then
+ elif [ -d "${elf}" ] ; then
error "${elf}: is a directory"
else
allhits=""
- [[ ${elf} != */* ]] && elf="./${elf}"
+ [ "${elf##*/*}" = "${elf}" ] && elf="./${elf}"
show_elf "${elf}" 0 ""
fi
done
exit ${ret}
-fi
|
