headers_install: use local file handles
Better practice to use 3 arg open and local file handles. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: WANG Cong <amwang@redhat.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
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@ -23,13 +23,13 @@ my ($readdir, $installdir, $arch, @files) = @ARGV;
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my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__";
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my $unifdef = "scripts/unifdef -U__KERNEL__ -D__EXPORTED_HEADERS__";
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foreach my $file (@files) {
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foreach my $file (@files) {
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local *INFILE;
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local *OUTFILE;
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my $tmpfile = "$installdir/$file.tmp";
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my $tmpfile = "$installdir/$file.tmp";
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open(INFILE, "<$readdir/$file")
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or die "$readdir/$file: $!\n";
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open(my $in, '<', "$readdir/$file")
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open(OUTFILE, ">$tmpfile") or die "$tmpfile: $!\n";
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or die "$readdir/$file: $!\n";
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while (my $line = <INFILE>) {
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open(my $out, '>', $tmpfile)
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or die "$tmpfile: $!\n";
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while (my $line = <$in>) {
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$line =~ s/([\s(])__user\s/$1/g;
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$line =~ s/([\s(])__user\s/$1/g;
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$line =~ s/([\s(])__force\s/$1/g;
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$line =~ s/([\s(])__force\s/$1/g;
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$line =~ s/([\s(])__iomem\s/$1/g;
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$line =~ s/([\s(])__iomem\s/$1/g;
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@ -39,10 +39,11 @@ foreach my $file (@files) {
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$line =~ s/(^|\s)(inline)\b/$1__$2__/g;
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$line =~ s/(^|\s)(inline)\b/$1__$2__/g;
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$line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
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$line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
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$line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
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$line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
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printf OUTFILE "%s", $line;
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printf {$out} "%s", $line;
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}
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}
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close OUTFILE;
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close $out;
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close INFILE;
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close $in;
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system $unifdef . " $tmpfile > $installdir/$file";
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system $unifdef . " $tmpfile > $installdir/$file";
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unlink $tmpfile;
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unlink $tmpfile;
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}
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}
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