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UAPI: Strip _UAPI prefix on header install no matter the whitespace

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Commit 56c176c9ca ("UAPI: strip the _UAPI prefix from header guards
during header installation") strips the _UAPI prefix from header guards,
but only if there's a single space between the cpp directive and the
label.

Make it more flexible and able to handle tabs and multiple white space
characters.

Signed-off-by: David Howells <dhowell@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2013-01-02 15:13:02 +00:00 committed by Linus Torvalds
parent 3d33fcc11b
commit 8a7eab2b54
1 changed files with 3 additions and 3 deletions
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6
scripts/headers_install.pl
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@ -42,9 +42,9 @@ foreach my $filename (@files) {
$line =~ s/(^|\s)(inline)\b/$1__$2__/g;
$line =~ s/(^|\s)(asm)\b(\s|[(]|$)/$1__$2__$3/g;
$line =~ s/(^|\s|[(])(volatile)\b(\s|[(]|$)/$1__$2__$3/g;
$line =~ s/#ifndef _UAPI/#ifndef /;
$line =~ s/#define _UAPI/#define /;
$line =~ s!#endif /[*] _UAPI!#endif /* !;
$line =~ s/#ifndef\s+_UAPI/#ifndef /;
$line =~ s/#define\s+_UAPI/#define /;
$line =~ s!#endif\s+/[*]\s*_UAPI!#endif /* !;
printf {$out} "%s", $line;
}
close $out;