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54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
1 year ago
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package mysql
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import (
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"encoding/binary"
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"math"
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)
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func ParseBinaryInt8(data []byte) int8 {
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return int8(data[0])
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}
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func ParseBinaryUint8(data []byte) uint8 {
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return data[0]
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}
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func ParseBinaryInt16(data []byte) int16 {
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return int16(binary.LittleEndian.Uint16(data))
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}
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func ParseBinaryUint16(data []byte) uint16 {
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return binary.LittleEndian.Uint16(data)
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}
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func ParseBinaryInt24(data []byte) int32 {
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u32 := ParseBinaryUint24(data)
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if u32&0x00800000 != 0 {
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u32 |= 0xFF000000
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}
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return int32(u32)
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}
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func ParseBinaryUint24(data []byte) uint32 {
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return uint32(data[0]) | uint32(data[1])<<8 | uint32(data[2])<<16
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}
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func ParseBinaryInt32(data []byte) int32 {
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return int32(binary.LittleEndian.Uint32(data))
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}
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func ParseBinaryUint32(data []byte) uint32 {
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return binary.LittleEndian.Uint32(data)
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}
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func ParseBinaryInt64(data []byte) int64 {
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return int64(binary.LittleEndian.Uint64(data))
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}
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func ParseBinaryUint64(data []byte) uint64 {
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return binary.LittleEndian.Uint64(data)
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}
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func ParseBinaryFloat32(data []byte) float32 {
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return math.Float32frombits(binary.LittleEndian.Uint32(data))
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}
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func ParseBinaryFloat64(data []byte) float64 {
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return math.Float64frombits(binary.LittleEndian.Uint64(data))
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}
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