[dpdk-dev] [PATCH 01/19] devtools: add simple script to find duplicate includes

[Stephen Hemminger <stephen@networkplumber.org>]

This is just a simple check script to find obvious duplications.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 devtools/dup_include.pl | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100755 devtools/dup_include.pl

diff --git a/devtools/dup_include.pl b/devtools/dup_include.pl
new file mode 100755
index 000000000000..2946b6cc2ff3
--- /dev/null
+++ b/devtools/dup_include.pl
@@ -0,0 +1,64 @@
+#! /usr/bin/env perl
+
+# BSD LICENSE
+#
+# Copyright 2016 Stephen Hemminger <stephen@networkplumber.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+#   * Redistributions of source code must retain the above copyright
+#     notice, this list of conditions and the following disclaimer.
+#   * Redistributions in binary form must reproduce the above copyright
+#     notice, this list of conditions and the following disclaimer in
+#     the documentation and/or other materials provided with the
+#     distribution.
+#   * Neither the name of 6WIND S.A. nor the names of its
+#     contributors may be used to endorse or promote products derived
+#     from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Examine files looking for duplicate references to the
+# same include file.
+#
+# Usage: dup_include.pl foo.c bar.c
+#
+
+use strict;
+use warnings;
+
+die "no input files'n"
+    if ($#ARGV < 0);
+
+foreach my $filename (@ARGV) {
+    open my $f, '<', $filename
+	or die "$filename: $!\n";
+
+    my %included;
+    my $lineno = 0;
+    
+    while (<$f>) {
+	++$lineno;
+	next unless /^#include\s+<(.+)>$/;
+	
+	my $h = $1; 
+	warn "$filename:$lineno duplicate include $h\n"
+	    if $included{$h};
+
+	$included{$h} = 1;
+    }
+    
+    close $f;
+}
-- 
2.11.0