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bytesconv

This commit is contained in:
2022-03-29 10:24:43 +08:00
parent 42f85a2518
commit bd4a7aed01
6 changed files with 86 additions and 91 deletions

View File

@ -1,7 +1,6 @@
package bytesconv
import (
"fmt"
"unsafe"
)
@ -19,36 +18,3 @@ func StringToBytes(s string) (b []byte) {
func BytesToString(b []byte) string {
return *(*string)(unsafe.Pointer(&b))
}
type endian int
const (
BigEndian endian = iota + 1
LittleEndian
)
func (e endian) BytesToUInt64(data []byte) (uint64, error) {
if len(data) > 8 {
return 0, fmt.Errorf("bytes to uint64, bytes length is invaild")
}
var ret uint64
var len int = len(data)
if e == BigEndian {
for i := 0; i < len; i++ {
ret = ret | (uint64(data[len-1-i]) << (i * 8))
}
} else {
for i := 0; i < len; i++ {
ret = ret | (uint64(data[i]) << (i * 8))
}
}
return ret, nil
}
func BytesToUInt64Big() {
// binary.BigEndian
// binary.LittleEndian
}