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#!/usr/bin/perl
#########################################################################
#
# The Contents of this file are made available subject to the terms of
# the Sun Industry Standards Source License Version 1.2
#
# Sun Microsystems Inc., March, 2001
#
#
# Sun Industry Standards Source License Version 1.2
# =================================================
# The contents of this file are subject to the Sun Industry Standards
# Source License Version 1.2 (the "License"); You may not use this file
# except in compliance with the License. You may obtain a copy of the
# License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
#
# Software provided under this License is provided on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
# WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
# MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
# See the License for the specific provisions governing your rights and
# obligations concerning the Software.
#
# The Initial Developer of the Original Code is: Sun Microsystems, Inc.
#
# Copyright: 2001 by Sun Microsystems, Inc.
#
# All Rights Reserved.
#
#########################################################################
#
# This script processes all .c files in the selected directory and makes
# sure that all calls to lFreeElem, lFreeList, lFreeWhat, lFreeWhere, and
# lFreeSortOrder assign the call result to the freed variable. When the
# script finds a file that does not assign the result to the freed variable,
# it creates a new version of the file, called fix.file_name (where file_name
# is the name of the file being processed), in which these errors are corrected.
# if -commit is passed as an argument, instead of creating a new file to
# contain the changes, the script will overwrite the original.
#
# Syntax:
# freefix.pl directory [-commit]
#
# Example:
# freefix.pl gridengine/source -commit
#
#########################################################################
# Process args
if ((@ARGV < 1) || (@ARGV > 2) || ($ARGV[0] eq "") ||
((@ARGV == 2) && ($ARGV[1] ne "-commit"))) {
print "Usage: freefix.pl directory_name [-commit]\n";
exit 1;
}
elsif (@ARGV == 2) {
$commit = 1;
}
# Global to tell if any changes were made
$changed = 0;
# Kick off the process
processDir ($ARGV[0]);
# If no changes were made, say so
if (!$changed) {
print "No changes.\n";
}
# This routine recursively processes directories looking for .c files
sub processDir {
my $dir = $_[0];
my @files;
opendir (DIR, $dir) || die ("Can't open directory $dir\n");
(@files = readdir (DIR)) || die ("Can't read directory $dir\n");
closedir (DIR) || die ("Can't close directory $dir\n");
foreach $file (@files) {
if ($file !~ /^\.\.?$/) {
if ($file =~ /.c$/) {
processFile ("$dir/$file");
}
elsif (-d "$dir/$file") {
processDir ("$dir/$file");
}
}
}
}
# This routine processes .c files to replace bad calls to lFree*
sub processFile {
my $file = $_[0];
# Flag to tell if we need to change the file or not
my $printed = 0;
open (FILE, "<$file");
open (TMP, ">fix.$file");
# First make sure there's something that needs to be fixed.
while (<FILE>) {
if ((/^\s*([a-zA-Z0-9]+\s*=\s*)?lFree(Elem|List|What|Where|SortOrder)\s*\(\s*[a-zA-Z0-9\->[\].*&]+\s*\)\s*;.*$/) &&
($1 eq "")) {
print "Fixing $file";
print " => $file.fix" if ($commit == 0);
print "\n";
$printed = 1;
last;
}
}
close (FILE);
# Reopen the file, and this time make changes
if ($printed) {
open (FILE, "<$file");
open (TMP, ">$file.fix");
while (<FILE>) {
if ((/^(\s*)(([a-zA-Z0-9]+\s*=\s*)?)(lFree(Elem|List|What|Where|SortOrder)(\s*\(\s*([a-zA-Z0-9\->[\].*&]+)\s*\))\s*;.*)$/) &&
($2 eq "")) {
print TMP "$1$7 = $4\n";
}
else {
print TMP;
}
}
close (FILE);
close (TMP);
# if -commit was passed, replace the original with the tmp copy
if ($commit) {
unlink ("$file");
rename ("$file.fix", "$file");
}
# Note that we made a change
$changed = 1;
}
}
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