linux-kernel - [docs-next PATCH 4/9] kernel-doc: abstract filename mapping

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Date:	Fri, 10 Jun 2016 17:16:58 +0300
From:	Jani Nikula <jani.nikula@...el.com>
To:	Jonathan Corbet <corbet@....net>
Cc:	Jani Nikula <jani.nikula@...el.com>,
	Markus Heiser <markus.heiser@...marit.de>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Grant Likely <grant.likely@...retlab.ca>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Keith Packard <keithp@...thp.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-doc@...r.kernel.org,
	Hans Verkuil <hverkuil@...all.nl>
Subject: [docs-next PATCH 4/9] kernel-doc: abstract filename mapping

Reduce duplication in follow-up work. No functional changes.

Signed-off-by: Jani Nikula <jani.nikula@...el.com>
---
 scripts/kernel-doc | 27 ++++++++++++++++++---------
 1 file changed, 18 insertions(+), 9 deletions(-)

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index a6f82c812c15..516d95fcefb7 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -2730,26 +2730,35 @@ sub local_unescape($) {
 	return $text;
 }
 
-sub process_file($) {
+sub map_filename($) {
     my $file;
-    my $identifier;
-    my $func;
-    my $descr;
-    my $in_purpose = 0;
-    my $initial_section_counter = $section_counter;
     my ($orig_file) = @_;
-    my $leading_space;
 
     if (defined($ENV{'SRCTREE'})) {
 	$file = "$ENV{'SRCTREE'}" . "/" . $orig_file;
-    }
-    else {
+    } else {
 	$file = $orig_file;
     }
+
     if (defined($source_map{$file})) {
 	$file = $source_map{$file};
     }
 
+    return $file;
+}
+
+sub process_file($) {
+    my $file;
+    my $identifier;
+    my $func;
+    my $descr;
+    my $in_purpose = 0;
+    my $initial_section_counter = $section_counter;
+    my ($orig_file) = @_;
+    my $leading_space;
+
+    $file = map_filename($orig_file);
+
     if (!open(IN,"<$file")) {
 	print STDERR "Error: Cannot open file $file\n";
 	++$errors;
-- 
2.1.4