34 lines
958 B
Go
34 lines
958 B
Go
package main
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import "unsafe"
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import "reflect"
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const BYTES_IN_INT32 = 4
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const BYTES_IN_INT16 = 2
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func UnsafeCaseInt32ToBytes(val int32) []byte {
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hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT32, Cap: BYTES_IN_INT32}
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return *(*[]byte)(unsafe.Pointer(&hdr))
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}
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func UnsafeCastInt32sToBytes(ints []int32) []byte {
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length := len(ints) * BYTES_IN_INT32
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hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
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return *(*[]byte)(unsafe.Pointer(&hdr))
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}
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func UnsafeCaseInt16ToBytes(val int16) []byte {
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hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&val)), Len: BYTES_IN_INT16, Cap: BYTES_IN_INT16}
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return *(*[]byte)(unsafe.Pointer(&hdr))
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}
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func UnsafeCastInt16sToBytes(ints []int16) []byte {
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length := len(ints) * BYTES_IN_INT16
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hdr := reflect.SliceHeader{Data: uintptr(unsafe.Pointer(&ints[0])), Len: length, Cap: length}
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return *(*[]byte)(unsafe.Pointer(&hdr))
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}
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