Source code of Windows XP (NT5)
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@echo off
REM ------------------------------------------------------------------
REM
REM hashrep.cmd
REM update a filename to hash mapping with new hashes
REM
REM Copyright (c) Microsoft Corporation. All rights reserved.
REM
REM ------------------------------------------------------------------
perl -x "%~f0" %*
goto :EOF
#!perl
use strict;
use lib $ENV{RAZZLETOOLPATH} . "\\PostBuildScripts";
use lib $ENV{RAZZLETOOLPATH};
use PbuildEnv;
use ParseArgs;
use Logmsg;
sub Usage { print<<USAGE; exit(1) }
hashrep <new_hash_file> <hash_file>
new_hash_file a file with the filenames and new hashes to be stored
in hash_file
hash_file a file with filenames and hashes to be updated
The format for both files is:
filename1 - hash1
filename2 - hash2
USAGE
my ($new_hash_file, $hash_file);
parseargs('?' => \&Usage,
\$new_hash_file,
\$hash_file);
if (!$new_hash_file or !$hash_file) {
errmsg("missing argument");
Usage;
}
if (!-e $new_hash_file) {
errmsg("file $new_hash_file does not exist");
exit;
}
if (!-e $hash_file) {
errmsg("file $hash_file does not exist");
exit;
}
if (!open HASH_NEW, $new_hash_file) {
errmsg("failed to open $new_hash_file: $!");
exit 1;
}
my %hashes; # new hashes to insert
while (<HASH_NEW>) {
chomp;
my ($name, $hash) = split / - /;
$hashes{lc $name} = $hash;
}
close HASH_NEW;
if (!rename $hash_file, "$hash_file.tmp") {
errmsg("failed to rename $hash_file to $hash_file.tmp: $!");
exit 1;
}
if (!open HASH_READ, "$hash_file.tmp") {
errmsg("failed to open $hash_file.tmp: $!");
}
if (!open HASH_WRITE, ">$hash_file") {
errmsg("failed to open $hash_file: $!");
}
while (<HASH_READ>) {
chomp;
my ($name, $hash) = split / - /;
if (exists $hashes{lc $name}) {
dbgmsg("replacing hash in $hash_file: $name ($hash) => ($hashes{lc $name})");
$hash = $hashes{lc $name};
}
print HASH_WRITE "$name - $hash\n";
}
close HASH_READ;
close HASH_WRITE;