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author | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2017-08-23 14:45:25 -0500 |
commit | fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch) | |
tree | 22962a4387943edc841c72a4e636a068c66d58fd /scripts/checkversion.pl | |
download | ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz |
Initial import of modified Linux 2.6.28 tree
Original upstream URL:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'scripts/checkversion.pl')
-rwxr-xr-x | scripts/checkversion.pl | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/scripts/checkversion.pl b/scripts/checkversion.pl new file mode 100755 index 0000000..ec7d211 --- /dev/null +++ b/scripts/checkversion.pl @@ -0,0 +1,71 @@ +#! /usr/bin/perl +# +# 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> + +$| = 1; + +my $debugging = 0; + +foreach $file (@ARGV) +{ + # Open this file. + open(FILE, $file) || die "Can't open $file: $!\n"; + + # Initialize variables. + my $fInComment = 0; + my $fInString = 0; + my $fUseVersion = 0; + my $iLinuxVersion = 0; + + LINE: while ( <FILE> ) + { + # 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 LINE 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(FILE); +} |