3 # checkversion find uses of LINUX_VERSION_CODE or KERNEL_VERSION
4 # without including <linux/version.h>, or cases of
5 # including <linux/version.h> that don't need it.
6 # Copyright (C) 2003, Randy Dunlap <rdunlap@xenotime.net>
15 open(FILE
, $file) || die "Can't open $file: $!\n";
17 # Initialize variables.
21 my $iLinuxVersion = 0;
23 LINE
: while ( <FILE
> )
26 $fInComment && (s
+^.*?\
*/+ +o ?
($fInComment = 0) : next);
27 m
+/\*+o && (s+/\
*.*?\
*/+ +go, (s+/\
*.*$+ +o
&& ($fInComment = 1)));
29 # Pick up definitions.
31 $iLinuxVersion = $. if m/^\s*#\s*include\s*"linux\/version\
.h
"/o;
35 $fInString && (s+^.*?"+ +o ?
($fInString = 0) : next);
36 m
+"+o && (s+".*?
"+ +go, (s+".*$+ +o
&& ($fInString = 1)));
38 # Pick up definitions.
40 $iLinuxVersion = $. if m/^\s*#\s*include\s*<linux\/version\
.h
>/o
;
43 # Look for uses: LINUX_VERSION_CODE, KERNEL_VERSION, UTS_RELEASE
44 if (($_ =~ /LINUX_VERSION_CODE/) || ($_ =~ /\WKERNEL_VERSION/)) {
46 last LINE
if $iLinuxVersion;
50 # Report used version IDs without include?
51 if ($fUseVersion && ! $iLinuxVersion) {
52 print "$file: $.: need linux/version.h\n";
55 # Report superfluous includes.
56 if ($iLinuxVersion && ! $fUseVersion) {
57 print "$file: $iLinuxVersion linux/version.h not needed.\n";
60 # debug: report OK results:
62 if ($iLinuxVersion && $fUseVersion) {
63 print "$file: version use is OK ($iLinuxVersion)\n";
65 if (! $iLinuxVersion && ! $fUseVersion) {
66 print "$file: version use is OK (none)\n";
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