forked from mirror/ledisdb
61 lines
760 B
Go
61 lines
760 B
Go
package driver
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// #include <stdlib.h>
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import "C"
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import (
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"reflect"
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"unsafe"
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)
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type ISlice interface {
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Data() []byte
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Size() int
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Free()
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}
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type CSlice struct {
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data unsafe.Pointer
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size int
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}
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func NewCSlice(p unsafe.Pointer, n int) *CSlice {
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return &CSlice{p, n}
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}
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func (s *CSlice) Data() []byte {
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var value []byte
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sH := (*reflect.SliceHeader)(unsafe.Pointer(&value))
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sH.Cap = int(s.size)
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sH.Len = int(s.size)
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sH.Data = uintptr(s.data)
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return value
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}
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func (s *CSlice) Size() int {
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return int(s.size)
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}
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func (s *CSlice) Free() {
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if s.data != nil {
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C.free(s.data)
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s.data = nil
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}
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}
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type GoSlice []byte
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func (s GoSlice) Data() []byte {
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return []byte(s)
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}
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func (s GoSlice) Size() int {
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return len(s)
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}
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func (s GoSlice) Free() {
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}
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