From bc20b7f5f5dbb4e1da74ddebb95b3a68a97964ec Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@Atheros.com>
Date: Fri, 18 Sep 2009 12:49:27 -0700
Subject: [PATCH] --- yaml --- r: 165573 b: refs/heads/master c:
 92f3f19c519d2eb18812a38312b05075cf0407db h: refs/heads/master i:   165571:
 8c7004a016a6e4c89292dc4daeb6cd96fc7e47f0 v: v3

---
 [refs]                         |  2 +-
 trunk/scripts/checkincludes.pl | 66 ++++++++++++++++++++++++++++++----
 2 files changed, 60 insertions(+), 8 deletions(-)

diff --git a/[refs] b/[refs]
index 9501a13b35a7..0eaa36fbe651 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 82fa39552fd858468a5647fa58d14955ecd50eb4
+refs/heads/master: 92f3f19c519d2eb18812a38312b05075cf0407db
diff --git a/trunk/scripts/checkincludes.pl b/trunk/scripts/checkincludes.pl
index 4bff13985ebd..676ddc07d6fa 100755
--- a/trunk/scripts/checkincludes.pl
+++ b/trunk/scripts/checkincludes.pl
@@ -1,33 +1,85 @@
 #!/usr/bin/perl
 #
-# checkincludes: Find files included more than once in (other) files.
+# checkincludes: find/remove files included more than once
+#
 # Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.
+# Copyright 2009 Luis R. Rodriguez <mcgrof@gmail.com>
+#
+# This script checks for duplicate includes. It also has support
+# to remove them in place. Note that this will not take into
+# consideration macros so you should run this only if you know
+# you do have real dups and do not have them under #ifdef's. You
+# could also just review the results.
 
 sub usage {
-	print "Usage: checkincludes.pl <file list>\n";
+	print "Usage: checkincludes.pl [-r]\n";
+	print "By default we just warn of duplicates\n";
+	print "To remove duplicated includes in place use -r\n";
 	exit 1;
 }
 
+my $remove = 0;
+
 if ($#ARGV < 0) {
-        usage();
+	usage();
+}
+
+if ($#ARGV >= 1) {
+	if ($ARGV[0] =~ /^-/) {
+		if ($ARGV[0] eq "-r") {
+			$remove = 1;
+			shift;
+		} else {
+			usage();
+		}
+	}
 }
 
 foreach $file (@ARGV) {
 	open(FILE, $file) or die "Cannot open $file: $!.\n";
 
 	my %includedfiles = ();
+	my @file_lines = ();
 
 	while (<FILE>) {
 		if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
 			++$includedfiles{$1};
 		}
+		push(@file_lines, $_);
 	}
 
 	close(FILE);
-	
-	foreach $filename (keys %includedfiles) {
-		if ($includedfiles{$filename} > 1) {
-			print "$file: $filename is included more than once.\n";
+
+	if (!$remove) {
+		foreach $filename (keys %includedfiles) {
+			if ($includedfiles{$filename} > 1) {
+				print "$file: $filename is included more than once.\n";
+			}
 		}
+		next;
 	}
+
+	open(FILE,">$file") || die("Cannot write to $file: $!");
+
+	my $dups = 0;
+	foreach (@file_lines) {
+		if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
+			foreach $filename (keys %includedfiles) {
+				if ($1 eq $filename) {
+					if ($includedfiles{$filename} > 1) {
+						$includedfiles{$filename}--;
+						$dups++;
+					} else {
+						print FILE $_;
+					}
+				}
+			}
+		} else {
+			print FILE $_;
+		}
+	}
+	if ($dups > 0) {
+		print "$file: removed $dups duplicate includes\n";
+	}
+	close(FILE);
 }