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Beego/vendor/github.com/siddontang/ledisdb/store/rocksdb/util.go
2018-11-09 12:37:28 +08:00

55 lines
754 B
Go

// +build rocksdb
package rocksdb
// #include <stdlib.h>
// #include "rocksdb/c.h"
import "C"
import (
"fmt"
"reflect"
"unsafe"
)
func boolToUchar(b bool) C.uchar {
uc := C.uchar(0)
if b {
uc = C.uchar(1)
}
return uc
}
func ucharToBool(uc C.uchar) bool {
if uc == C.uchar(0) {
return false
}
return true
}
func boolToInt(b bool) C.int {
uc := C.int(0)
if b {
uc = C.int(1)
}
return uc
}
func saveError(errStr *C.char) error {
if errStr != nil {
gs := C.GoString(errStr)
C.free(unsafe.Pointer(errStr))
return fmt.Errorf(gs)
}
return nil
}
func slice(p unsafe.Pointer, n int) []byte {
var b []byte
pbyte := (*reflect.SliceHeader)(unsafe.Pointer(&b))
pbyte.Data = uintptr(p)
pbyte.Len = n
pbyte.Cap = n
return b
}