yaole
52 lines
905 B
Go
52 lines
905 B
Go
package sm9
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import (
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"encoding/binary"
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"xdx.jelly/xgcl/sm"
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)
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type endian struct {
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isBigEndian bool
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}
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func (e *endian) PutUint32(b []byte, v uint32) {
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if e.isBigEndian {
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binary.BigEndian.PutUint32(b, v)
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} else {
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binary.LittleEndian.PutUint32(b, v)
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}
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}
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func (e *endian) Uint32(b []byte) uint32 {
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if e.isBigEndian {
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return binary.BigEndian.Uint32(b)
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}
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return binary.LittleEndian.Uint32(b)
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}
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var (
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// Endian is the endian when marshal a int, default is big endian
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Endian = endian{true}
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)
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// SetToBigEndian 将端序设置为大端序
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func SetToBigEndian() {
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Endian.isBigEndian = true
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}
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// SetToLittleEndian 设置为小端序
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func SetToLittleEndian() {
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Endian.isBigEndian = false
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}
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// SetToDefaultEndian 恢复默认端序-大端
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func SetToDefaultEndian() {
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Endian.isBigEndian = true
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}
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func init() {
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sm.RegisterCallBack(SetToBigEndian, SetToLittleEndian, SetToDefaultEndian)
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}
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