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Use unsafe.Slice instead of reflect.SliceHeader to build byte slice #65

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Aug 27, 2024
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Use unsafe.Slice instead of reflect.SliceHeader to build byte slice #65

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8 changes: 2 additions & 6 deletions wasm/plugin.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,16 +8,12 @@ package wasm
import "C"

import (
"reflect"
"unsafe"
)

func PtrToByte(ptr, size uint32) []byte {
var b []byte
s := (*reflect.SliceHeader)(unsafe.Pointer(&b))
s.Len = uintptr(size)
s.Cap = uintptr(size)
s.Data = uintptr(ptr)
b := unsafe.Slice((*byte)(unsafe.Pointer(uintptr(ptr))), size)

return b
}

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