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