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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354#!/usr/bin/env perl# SPDX-License-Identifier: GPL-2.0## checkdeclares: find struct declared more than once## Copyright 2021 Wan Jiabing<wanjiabing@vivo.com># Inspired by checkincludes.pl## This script checks for duplicate struct declares.# 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.
use strict;
sub usage { print "Usage: checkdeclares.pl file1.h ...\n"; print "Warns of struct declaration duplicates\n"; exit 1;}
if ($#ARGV < 0) { usage();}
my $dup_counter = 0;
foreach my $file (@ARGV) { open(my $f, '<', $file) or die "Cannot open $file: $!.\n";
my %declaredstructs = ();
while (<$f>) { if (m/^\s*struct\s*(\w*);$/o) { ++$declaredstructs{$1}; } }
close($f);
foreach my $structname (keys %declaredstructs) { if ($declaredstructs{$structname} > 1) { print "$file: struct $structname is declared more than once.\n"; ++$dup_counter; } }}
if ($dup_counter == 0) { print "No duplicate struct declares found.\n";}