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-rw-r--r--Porting/check83.pl16
1 files changed, 10 insertions, 6 deletions
diff --git a/Porting/check83.pl b/Porting/check83.pl
index be6b9826ac..eb020023b3 100644
--- a/Porting/check83.pl
+++ b/Porting/check83.pl
@@ -1,4 +1,6 @@
-#!/usr/bin/perl
+#!/usr/bin/perl -w
+
+use strict;
# Check whether there are naming conflicts when names are truncated to
# the DOSish case-ignoring 8.3 format, plus other portability no-nos.
@@ -10,21 +12,22 @@
# not longer than three".
my %seen;
+my $maxl = 30; # make up a limit for a maximum filename length
sub eight_dot_three {
- next if $seen{$_[0]}++;
- my ($dir, $base, $ext) = ($_[0] =~ m!^(?:(.+)/)?([^/.]+)(?:\.([^/.]+))?$!);
+ return () if $seen{$_[0]}++;
+ my ($dir, $base, $ext) = ($_[0] =~ m{^(?:(.+)/)?([^/.]+)(?:\.([^/.]+))?$});
my $file = $base . ( defined $ext ? ".$ext" : "" );
$base = substr($base, 0, 8);
$ext = substr($ext, 0, 3) if defined $ext;
- if ($dir =~ /\./) {
+ if (defined $dir && $dir =~ /\./) {
print "directory name contains '.': $dir\n";
}
if ($file =~ /[^A-Za-z0-9\._-]/) {
print "filename contains non-portable characters: $_[0]\n";
}
- if (length $file > 30) {
- print "filename longer than 30 characters: $_[0]\n"; # make up a limit
+ if (length $file > $maxl) {
+ print "filename longer than $maxl characters: $file\n";
}
if (defined $dir) {
return ($dir, defined $ext ? "$dir/$base.$ext" : "$dir/$base");
@@ -49,6 +52,7 @@ if (open(MANIFEST, "MANIFEST")) {
}
while (m!/|\z!g) {
my ($dir, $edt) = eight_dot_three($`);
+ next unless defined $dir;
($dir, $edt) = map { lc } ($dir, $edt);
push @{$dir{$dir}->{$edt}}, $_;
}