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kernel-doc: Make it compatible with Perl versions below 5.12 again

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Changeset 4d73270192ec('scripts/kernel-doc: Replacing highlights
hash by an array') broke compatibility of the kernel-doc script with
older versions of perl by using "keys ARRAY" syntax with is available
only on Perl 5.12 or newer, according with:
	http://perldoc.perl.org/functions/keys.html

Restore backward compatibility by replacing "foreach my $k (keys ARRAY)"
by a C-like variant: "for (my $k = 0; $k < !ARRAY; $k++)"

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2015-11-17 13:29:49 -02:00 committed by Jonathan Corbet
parent 8005c49d9a
commit 1ef0623371
1 changed files with 1 additions and 1 deletions
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scripts/kernel-doc
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@ -2711,7 +2711,7 @@ $kernelversion = get_kernel_version();
# generate a sequence of code that will splice in highlighting information
# using the s// operator.
foreach my $k (keys @highlights) {
for (my $k = 0; $k < @highlights; $k++) {
my $pattern = $highlights[$k][0];
my $result = $highlights[$k][1];
# print STDERR "scanning pattern:$pattern, highlight:($result)\n";