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modified begin process about byte order

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makamaka
2010-09-05 01:54:44 +09:00
parent 84123f5445
commit 10ec1e48b0
1 changed files with 8 additions and 8 deletions
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16
perl/lib/Data/MessagePack/PP.pm
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@@ -25,19 +25,19 @@ BEGIN {
# require $Config{byteorder}; my $bo_is_le = ( $Config{byteorder} =~ /^1234/ );
# which better?
my $bo_is_le = unpack ( 'd', "\x00\x00\x00\x00\x00\x00\xf0\x3f") == 1; # 1.0LE
# In really, since 5.9.2 '>' is introduced.
# In really, since 5.9.2 '>' is introduced. but 'n!' and 'N!'?
*pack_uint64 = $bo_is_le ? sub {
my @v = unpack( 'V2', pack( 'Q', $_[0] ) );
return pack 'CN2', 0xcf, @v[1,0];
} : sub { pack 'CQ', 0xcf, $_[0]; };
} : sub { pack 'CQ', 0xcf, $_[0]; };
*pack_int64 = $bo_is_le ? sub {
my @v = unpack( 'V2', pack( 'q', $_[0] ) );
return pack 'CN2', 0xd3, @v[1,0];
} : sub { pack 'Cq', 0xd3, $_[0]; };
} : sub { pack 'Cq', 0xd3, $_[0]; };
*pack_double = $bo_is_le ? sub {
my @v = unpack( 'V2', pack( 'd', $_[0] ) );
return pack 'CN2', 0xcb, @v[1,0];
} : sub { pack 'Cd', 0xcb, $_[0]; };
} : sub { pack 'Cd', 0xcb, $_[0]; };
*unpack_float = $bo_is_le ? sub {
my @v = unpack( 'v2', substr( $_[0], $_[1], 4 ) );
return unpack( 'f', pack( 'n2', @v[1,0] ) );
@@ -55,14 +55,14 @@ BEGIN {
my $v = unpack 'N', substr( $_[0], $_[1], 4 );
return $v ? $v - 0x100000000 : 0;
};
*unpack_int64 = sub {
*unpack_int64 = $bo_is_le ? sub {
my @v = unpack( 'V*', substr( $_[0], $_[1], 8 ) );
return unpack( 'q', pack( 'N2', @v[1,0] ) );
};
*unpack_uint64 = sub {
} : sub { pack 'q', substr( $_[0], $_[1], 8 ); };
*unpack_uint64 = $bo_is_le ? sub {
my @v = unpack( 'V*', substr( $_[0], $_[1], 8 ) );
return unpack( 'Q', pack( 'N2', @v[1,0] ) );
};
} : sub { pack 'Q', substr( $_[0], $_[1], 8 ); };
}
else {
*pack_uint64 = sub { return pack 'CQ>', 0xcf, $_[0]; };