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|
#! /usr/bin/ksh
# Original Author: Tim Mooney <mooney@golem.phys.ndsu.NoDak.edu>
# $Id: hpux.prov,v 1.7 2000/12/02 16:52:14 jbj Exp $
#
# This file is distributed under the terms of the GNU Public License
#
# find-provides is part of RPM, the Red Hat Package Manager. find-provides
# reads a list of full pathnames (in a package) on stdin, and outputs all
# shared libraries provided by (contained in) the package.
#
#
# On HP-UX, use `chatr' to find what libraries a package provides
#
# Example chatr output:
#
#$chatr /usr/lib/libc.sl
#
#/usr/lib/libc.sl:
# shared library
# shared library dynamic path search:
# SHLIB_PATH disabled second
# embedded path disabled first Not Defined
# internal name:
# libc.1
# shared library list:
# dynamic /usr/lib/libdld.1
# static branch prediction disabled
# kernel assisted branch predictionenabled
# lazy swap allocationdisabled
# text segment lockingdisabled
# data segment lockingdisabled
# data page size: 4K
# instruction page size: 4K
#
#
# Implementation notes: some of the system libraries are built without an
# `internal name' (HP-UX's equivalent to a SONAME), so I need to track what
# chatr outputs as its first line. We'll use the basename of that line in
# the event of no internal name.
#
PATH=/usr/bin:/usr/sbin:/usr/ccs/bin
export PATH
#
# TVM: Marc Stephenson (marc@austin.ibm.com) points out we run things
# like `file', et. al. and expect the output to be what we see in the
# C/POSIX locale. Make sure it is so.
#
LANG=C
export LANG
#
# TVM: use `while read ...' instead of `for f in ...', because there may
# be too many files to stuff into one shell variable.
#
IFS=""
while read f
do
# It's possible that I should be testing to make sure that the file
# we're trying isn't a symlink, and skipping it if it is, because of
# the possible odd situation where we could have a link to a library
# with no internal name. This would need more investigation, though.
chatr $f 2>/dev/null \
| awk '
BEGIN {
FS = " ";
RS = "\n";
# This flag signfies that we have seen the internal name:
# marker. Once we see that, we set the flag to 1. The next
# line we read should contain the library internal name, the
# SOM equivalent of an soname. At that point we set the flag
# found_internal_name to 1 and exit
# the main body of the awk script, going through the END
in_internal_name = 0;
#
# We have seen the internal name: section (yet)?
#
found_internal_name = 0;
#
# assume it is a shared library, until record 2 proves us wrong.
#
isa_shared_library = 1;
}
# Uncomment the next line for some debugging info.
#{ print NR , ":", $0 }
#
# save the first line in case there is no internal name built
# into this object.
#
NR == 1 {
my_name = $0
opened_something = 1;
}
#
# Check the second line (record). Clear the flag if it is not a
# shared library.
#
NR == 2 && $0 !~ /^[ ]+shared library[ ]*$/ {
# It is not a shared library. Bow out early
isa_shared_library = 0;
exit
}
in_internal_name == 1 {
# We found the library internal name. If it does not contain
# a path, print it. At least a couple of the system libraries
# have a full path as the internal name (this is probably a bug).
if ( $0 ~ /\// ) {
numfields = split($0, internal_name, "/")
print internal_name[numfields]
} else {
print $1
}
#
# Set a flag for the EXIT section, to indicate that we found
# an internal name
#
found_internal_name = 1;
in_internal_name = 0
exit
}
#
# we have hit the internal name section. Set the flag. The next
# line should be what we are looking for.
#
/^ +internal name: *$/ {
in_internal_name = 1
}
END {
# Uncomment the next line for debugging info
#{ print "END: NR: ", NR }
if ( (isa_shared_library == 0) || (NR < 2) ) {
# both of these indicate error conditions, for which we
# should not generate any output.
exit;
} else {
if (found_internal_name == 1) {
exit;
} else {
#
# chop the : off the end of the line
#
colon = index(my_name, ":")
colon = colon - 1
temp = substr(my_name, 1, colon)
#
# get the basename
#
numfields = split(temp, basename, "/")
# Uncomment the next line for debugging info
#print "In END:", numfields, ":", temp
print basename[numfields]
exit
}
}
}
' # end of awk
done | sort -u
#comment out the previous line and uncomment the next line when debugging
#done
|
