From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- scripts/checkversion.pl | 72 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100755 scripts/checkversion.pl (limited to 'scripts/checkversion.pl') diff --git a/scripts/checkversion.pl b/scripts/checkversion.pl new file mode 100755 index 000000000..f67b125c5 --- /dev/null +++ b/scripts/checkversion.pl @@ -0,0 +1,72 @@ +#! /usr/bin/env perl +# SPDX-License-Identifier: GPL-2.0 +# +# checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION +# without including , or cases of +# including that don't need it. +# Copyright (C) 2003, Randy Dunlap + +use strict; + +$| = 1; + +my $debugging; + +foreach my $file (@ARGV) { + next if $file =~ "include/linux/version\.h"; + # Open this file. + open( my $f, '<', $file ) + or die "Can't open $file: $!\n"; + + # Initialize variables. + my ($fInComment, $fInString, $fUseVersion); + my $iLinuxVersion = 0; + + while (<$f>) { + # Strip comments. + $fInComment && (s+^.*?\*/+ +o ? ($fInComment = 0) : next); + m+/\*+o && (s+/\*.*?\*/+ +go, (s+/\*.*$+ +o && ($fInComment = 1))); + + # Pick up definitions. + if ( m/^\s*#/o ) { + $iLinuxVersion = $. if m/^\s*#\s*include\s*"linux\/version\.h"/o; + } + + # Strip strings. + $fInString && (s+^.*?"+ +o ? ($fInString = 0) : next); + m+"+o && (s+".*?"+ +go, (s+".*$+ +o && ($fInString = 1))); + + # Pick up definitions. + if ( m/^\s*#/o ) { + $iLinuxVersion = $. if m/^\s*#\s*include\s*/o; + } + + # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE + if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) { + $fUseVersion = 1; + last if $iLinuxVersion; + } + } + + # Report used version IDs without include? + if ($fUseVersion && ! $iLinuxVersion) { + print "$file: $.: need linux/version.h\n"; + } + + # Report superfluous includes. + if ($iLinuxVersion && ! $fUseVersion) { + print "$file: $iLinuxVersion linux/version.h not needed.\n"; + } + + # debug: report OK results: + if ($debugging) { + if ($iLinuxVersion && $fUseVersion) { + print "$file: version use is OK ($iLinuxVersion)\n"; + } + if (! $iLinuxVersion && ! $fUseVersion) { + print "$file: version use is OK (none)\n"; + } + } + + close($f); +} -- cgit v1.2.3