[thirdparty/linux.git] / scripts / checkincludes.pl

#!/usr/bin/perl
#
# checkincludes: Find files included more than once in (other) files.
# Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.

sub usage {
	print "Usage: checkincludes.pl <file list>\n";
	exit 1;
}

if ($#ARGV < 0) {
        usage();
}

foreach $file (@ARGV) {
	open(FILE, $file) or die "Cannot open $file: $!.\n";

	my %includedfiles = ();

	while (<FILE>) {
		if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
			++$includedfiles{$1};
		}
	}

	close(FILE);
	
	foreach $filename (keys %includedfiles) {
		if ($includedfiles{$filename} > 1) {
			print "$file: $filename is included more than once.\n";
		}
	}
}
Commit	Line	Data
1da177e4 LT	1	#!/usr/bin/perl
	2	#
	3	# checkincludes: Find files included more than once in (other) files.
	4	# Copyright abandoned, 2000, Niels Kristian Bech Jensen <nkbj@image.dk>.
	5
f9d490ab LR	6	sub usage {
	7	print "Usage: checkincludes.pl <file list>\n";
	8	exit 1;
	9	}
	10
	11	if ($#ARGV < 0) {
	12	usage();
	13	}
	14
1da177e4 LT	15	foreach $file (@ARGV) {
	16	open(FILE, $file) or die "Cannot open $file: $!.\n";
	17
	18	my %includedfiles = ();
	19
	20	while (<FILE>) {
	21	if (m/^\s#\sinclude\s[<"](\S)[>"]/o) {
	22	++$includedfiles{$1};
	23	}
	24	}
d9a7a2bd LR	25
d9a7a2bd LR	26	close(FILE);
1da177e4 LT	27
	28	foreach $filename (keys %includedfiles) {
	29	if ($includedfiles{$filename} > 1) {
	30	print "$file: $filename is included more than once.\n";
	31	}
	32	}
1da177e4	33	}