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|
#! /bin/sh
# Copyright (C) 1996 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Library General Public License for more details.
# You should have received a copy of the GNU Library General Public
# License along with the GNU C Library; see the file COPYING.LIB. If not,
# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
# This is the `ldd' command, which lists what shared libraries are
# used by given dynamically-linked executables. It works by invoking the
# run-time dynamic linker as a command and setting the environment
# variable LD_TRACE_LOADED_OBJECTS to a non-empty value.
RTLD=@RTLD@
while test $# -gt 0; do
case "$1" in
--v*)
echo 'ldd (GNU libc) @VERSION@
Copyright (C) 1996 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.'
exit 0 ;;
--h*)
echo 'ldd [OPTION]... FILE...
--help print this help and exit
--version print version information and exit
Report bugs to <bug-glibc@prep.ai.mit.edu>.'
exit 0 ;;
--) # Stop option prcessing.
shift; break ;;
*)
break ;;
esac
done
case $# in
0)
echo >&2 "\
ldd: missing file arguments
Try \`ldd --help' for more information."
exit 1 ;;
1)
# We don't list the file name when there is only one.
case "$1" in
/*) file="$1" ;;
*) file="./$1" ;;
esac
if test ! -f "$file"; then
echo "${file}: no such file"
elif ${RTLD} --verify "$file"; then
LD_TRACE_LOADED_OBJECTS=1 exec ${RTLD} "$file" && exit 1
else
echo ' not a dynamic executable'
fi
exit ;;
*)
set -e # Bail out immediately if ${RTLD} loses on any argument.
for file; do
echo "${file}:"
case "$file" in
/*) : ;;
*) file="./$file" ;;
esac
if test ! -f "$file"; then
echo "$file: no such file"
elif ${RTLD} --verify "$file"; then
LD_TRACE_LOADED_OBJECTS=1 ${RTLD} "$file"
else
echo ' not a dynamic executable'
fi
done
esac
exit 0
|
