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Date: Thu, 28 Jul 2011 16:49:50 +0100
From: David Howells <dhowells@...hat.com>
To: torvalds@...l.org
Cc: linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
David Howells <dhowells@...hat.com>
Subject: [PATCH 03/40] UAPI: Add script to audit drivers/gpu/ for #including
system headers with "..." [ver #3]
Add a script to audit drivers/gpu/ for #include "..." referring to system
headers and change them to <...>.
Signed-off-by: David Howells <dhowells@...hat.com>
---
scripts/uapi-disintegration/drm-headers.pl | 103 ++++++++++++++++++++++++++++
1 files changed, 103 insertions(+), 0 deletions(-)
create mode 100755 scripts/uapi-disintegration/drm-headers.pl
diff --git a/scripts/uapi-disintegration/drm-headers.pl b/scripts/uapi-disintegration/drm-headers.pl
new file mode 100755
index 0000000..eab3eab
--- /dev/null
+++ b/scripts/uapi-disintegration/drm-headers.pl
@@ -0,0 +1,103 @@
+#!/usr/bin/perl -w
+
+use File::Find;
+
+#
+# Changes must be committed first
+#
+system("git diff --quiet") == 0 or die "Uncommitted changes; aborting\n";
+
+#
+# Delete the old patch under StGIT
+#
+system("stg delete uapi-convert-drivers_gpu-includes.diff");
+
+#
+# Set up the patch under StGIT
+#
+system("stg new -m '" .
+ "UAPI: Convert #include \"...\" to #include <path/...> in kernel system headers\n" .
+ "\n" .
+ "Convert #include \"...\" to #include <path/...> in kernel system headers.\n" .
+ "\n" .
+ "scripts/uapi-disintegrate/drm-headers.pl was used\n" .
+ "' --sign uapi-convert-drivers_gpu-includes.diff"
+ ) == 0 or die;
+
+#
+# Find all the .c and .h files under drivers/gpu/
+#
+%files = ();
+sub find_file()
+{
+ $files{$File::Find::name} = 1 if ($_ =~ /[.][ch]$/);
+}
+
+find(\&find_file, "drivers/gpu");
+
+#print join("\n", sort keys %files), "\n";
+
+foreach my $file (sort keys %files) {
+ my $dir = $file;
+ $dir =~ m@(^.*/)@, $dir = $1;
+
+ open FD, '<', $file or die "open $file: $!\n";
+ my @lines = <FD>;
+ close FD or die;
+
+ my $printed_name = 0;
+ my $alter_file = 0;
+
+ for (my $l = 0; $l <= $#lines; $l++) {
+ my $line = $lines[$l];
+
+ if ($line =~ /^(#\s*include\s+)["]([^"]+)["](.*[\n])/) {
+ my $pre = $1;
+ my $name = $2;
+ my $post = $3;
+
+ # If the included file really is in this directory, then "..." is
+ # correct.
+ next if (-f $dir.$2);
+
+ if (!$printed_name) {
+ print "[[[ \e[36m$file\e[m ]]]\n";
+ $printed_name = 1;
+ }
+
+ my $path = "??";
+
+ if ($name =~ m@[.][.]@) {
+ die;
+ } else {
+ # Look in the system include paths for it
+ if (-f "include/$name") {
+ $path = $name;
+ } elsif (-f "include/drm/$name") {
+ $path = "drm/$name";
+ } else {
+ die;
+ }
+ }
+
+ print $file, ": ", $name, " -> ", $path, "\n";
+ $lines[$l] = $pre . "<" . $path . ">" . $post;
+ $alter_file = 1;
+ }
+ }
+
+ if ($alter_file) {
+ my $temp = $file . ".drminc";
+ open FD, '>', $temp or die "create $temp: $!\n";
+ print FD @lines or die "write $temp: $!\n";
+ close FD or die "close $temp: $!\n";
+ rename $temp, $file or die "move $temp -> $file: $!\n";
+ }
+}
+
+#
+# Commit the changes
+#
+system("stg ref") == 0 or die;
+
+exit 0;
--
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