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author | Luis R. Rodriguez <lrodriguez@Atheros.com> | 2009-09-18 12:49:27 -0700 |
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committer | Sam Ravnborg <sam@ravnborg.org> | 2009-09-20 12:27:43 +0200 |
commit | 92f3f19c519d2eb18812a38312b05075cf0407db (patch) | |
tree | e74c7e9678ba944adba0995ac1b374ab5282edfe /scripts/checkincludes.pl | |
parent | 82fa39552fd858468a5647fa58d14955ecd50eb4 (diff) | |
download | op-kernel-dev-92f3f19c519d2eb18812a38312b05075cf0407db.zip op-kernel-dev-92f3f19c519d2eb18812a38312b05075cf0407db.tar.gz |
checkincludes.pl: add option to remove duplicates in place
checkincludes.pl is more useful if it actually removed the lines. This
adds support for that with -r.
[akpm@linux-foundation.org: improve usage message]
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/checkincludes.pl')
-rwxr-xr-x | scripts/checkincludes.pl | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl index 4bff139..676ddc0 100755 --- a/scripts/checkincludes.pl +++ b/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); } |