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Commit 74349bcc authored by Joe Perches's avatar Joe Perches Committed by Linus Torvalds
Browse files

checkpatch: add support for floating point constants 



Even though the kernel doesn't support using floating point constants,
add a regex for them.

Support forms like: 0x123p1, 123e-1, 1.23, 1.5e23f

Signed-off-by: default avatarJoe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6b7eaf6e

scripts/checkpatch.pl

+5 −1
Original line number Diff line number Diff line
@@ -230,7 +230,11 @@ our $Inline = qr{inline|__always_inline|noinline}; 
our $Member	= qr{->$Ident|\.$Ident|\[[^]]*\]};

our $Lval	= qr{$Ident(?:$Member)*};



our $Constant	= qr{(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*)};

our $Float_hex	= qr{(?i:0x[0-9a-f]+p-?[0-9]+[fl]?)};

our $Float_dec	= qr{(?i:((?:[0-9]+\.[0-9]*|[0-9]*\.[0-9]+)(?:e-?[0-9]+)?[fl]?))};

our $Float_int	= qr{(?i:[0-9]+e-?[0-9]+[fl]?)};

our $Float	= qr{$Float_hex|$Float_dec|$Float_int};

our $Constant	= qr{(?:$Float|(?i:(?:0x[0-9a-f]+|[0-9]+)[ul]*))};

our $Assignment	= qr{(?:\*\=|/=|%=|\+=|-=|<<=|>>=|&=|\^=|\|=|=)};

our $Compare    = qr{<=|>=|==|!=|<|>};

our $Operators	= qr{