diff options
Diffstat (limited to 'lib/binstruct/binint/builtins.go')
| -rw-r--r-- | lib/binstruct/binint/builtins.go | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/lib/binstruct/binint/builtins.go b/lib/binstruct/binint/builtins.go deleted file mode 100644 index cfd0fc2..0000000 --- a/lib/binstruct/binint/builtins.go +++ /dev/null @@ -1,258 +0,0 @@ -// Copyright (C) 2022-2023 Luke Shumaker <lukeshu@lukeshu.com> -// -// SPDX-License-Identifier: GPL-2.0-or-later - -package binint - -import ( - "encoding/binary" - - "git.lukeshu.com/btrfs-progs-ng/lib/binstruct/binutil" -) - -const ( - sizeof8 = 1 - sizeof16 = 2 - sizeof32 = 4 - sizeof64 = 8 -) - -// unsigned - -type U8 uint8 - -func (U8) BinaryStaticSize() int { return sizeof8 } -func (x U8) MarshalBinary() ([]byte, error) { return []byte{byte(x)}, nil } -func (x *U8) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof8); err != nil { - return 0, err - } - *x = U8(dat[0]) - return sizeof8, nil -} - -// unsigned little endian - -type U16le uint16 - -func (U16le) BinaryStaticSize() int { return sizeof16 } -func (x U16le) MarshalBinary() ([]byte, error) { - var buf [sizeof16]byte - binary.LittleEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} - -func (x *U16le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof16); err != nil { - return 0, err - } - *x = U16le(binary.LittleEndian.Uint16(dat)) - return sizeof16, nil -} - -type U32le uint32 - -func (U32le) BinaryStaticSize() int { return sizeof32 } -func (x U32le) MarshalBinary() ([]byte, error) { - var buf [sizeof32]byte - binary.LittleEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} - -func (x *U32le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof32); err != nil { - return 0, err - } - *x = U32le(binary.LittleEndian.Uint32(dat)) - return sizeof32, nil -} - -type U64le uint64 - -func (U64le) BinaryStaticSize() int { return sizeof64 } -func (x U64le) MarshalBinary() ([]byte, error) { - var buf [sizeof64]byte - binary.LittleEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} - -func (x *U64le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof64); err != nil { - return 0, err - } - *x = U64le(binary.LittleEndian.Uint64(dat)) - return sizeof64, nil -} - -// unsigned big endian - -type U16be uint16 - -func (U16be) BinaryStaticSize() int { return sizeof16 } -func (x U16be) MarshalBinary() ([]byte, error) { - var buf [sizeof16]byte - binary.BigEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} - -func (x *U16be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof16); err != nil { - return 0, err - } - *x = U16be(binary.BigEndian.Uint16(dat)) - return sizeof16, nil -} - -type U32be uint32 - -func (U32be) BinaryStaticSize() int { return sizeof32 } -func (x U32be) MarshalBinary() ([]byte, error) { - var buf [sizeof32]byte - binary.BigEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} - -func (x *U32be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof32); err != nil { - return 0, err - } - *x = U32be(binary.BigEndian.Uint32(dat)) - return sizeof32, nil -} - -type U64be uint64 - -func (U64be) BinaryStaticSize() int { return sizeof64 } -func (x U64be) MarshalBinary() ([]byte, error) { - var buf [sizeof64]byte - binary.BigEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} - -func (x *U64be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof64); err != nil { - return 0, err - } - *x = U64be(binary.BigEndian.Uint64(dat)) - return sizeof64, nil -} - -// signed - -type I8 int8 - -func (I8) BinaryStaticSize() int { return sizeof8 } -func (x I8) MarshalBinary() ([]byte, error) { return []byte{byte(x)}, nil } -func (x *I8) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof8); err != nil { - return 0, err - } - *x = I8(dat[0]) - return sizeof8, nil -} - -// signed little endian - -type I16le int16 - -func (I16le) BinaryStaticSize() int { return sizeof16 } -func (x I16le) MarshalBinary() ([]byte, error) { - var buf [sizeof16]byte - binary.LittleEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} - -func (x *I16le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof16); err != nil { - return 0, err - } - *x = I16le(binary.LittleEndian.Uint16(dat)) - return sizeof16, nil -} - -type I32le int32 - -func (I32le) BinaryStaticSize() int { return sizeof32 } -func (x I32le) MarshalBinary() ([]byte, error) { - var buf [sizeof32]byte - binary.LittleEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} - -func (x *I32le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof32); err != nil { - return 0, err - } - *x = I32le(binary.LittleEndian.Uint32(dat)) - return sizeof32, nil -} - -type I64le int64 - -func (I64le) BinaryStaticSize() int { return sizeof64 } -func (x I64le) MarshalBinary() ([]byte, error) { - var buf [sizeof64]byte - binary.LittleEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} - -func (x *I64le) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof64); err != nil { - return 0, err - } - *x = I64le(binary.LittleEndian.Uint64(dat)) - return sizeof64, nil -} - -// signed big endian - -type I16be int16 - -func (I16be) BinaryStaticSize() int { return sizeof16 } -func (x I16be) MarshalBinary() ([]byte, error) { - var buf [sizeof16]byte - binary.BigEndian.PutUint16(buf[:], uint16(x)) - return buf[:], nil -} - -func (x *I16be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof16); err != nil { - return 0, err - } - *x = I16be(binary.BigEndian.Uint16(dat)) - return sizeof16, nil -} - -type I32be int32 - -func (I32be) BinaryStaticSize() int { return sizeof32 } -func (x I32be) MarshalBinary() ([]byte, error) { - var buf [sizeof32]byte - binary.BigEndian.PutUint32(buf[:], uint32(x)) - return buf[:], nil -} - -func (x *I32be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof32); err != nil { - return 0, err - } - *x = I32be(binary.BigEndian.Uint32(dat)) - return sizeof32, nil -} - -type I64be int64 - -func (I64be) BinaryStaticSize() int { return sizeof64 } -func (x I64be) MarshalBinary() ([]byte, error) { - var buf [sizeof64]byte - binary.BigEndian.PutUint64(buf[:], uint64(x)) - return buf[:], nil -} - -func (x *I64be) UnmarshalBinary(dat []byte) (int, error) { - if err := binutil.NeedNBytes(dat, sizeof64); err != nil { - return 0, err - } - *x = I64be(binary.BigEndian.Uint64(dat)) - return sizeof64, nil -} |