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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /scripts/checkversion.pl | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'scripts/checkversion.pl')
-rwxr-xr-x | scripts/checkversion.pl | 72 |
1 files changed, 72 insertions, 0 deletions
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 <linux/version.h>, or cases of +# including <linux/version.h> that don't need it. +# Copyright (C) 2003, Randy Dunlap <rdunlap@xenotime.net> + +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 = $. if m/^\s*#\s*include\s*<linux\/version\.h>/o; + } + + # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE + if (($_ =~ /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); +} |