29 lines
500 B
Go
29 lines
500 B
Go
package native
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/*
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#cgo CFLAGS: -I../../bsdiff
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#include "bsdiff.h"
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#include "cgo.h"
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*/
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import "C"
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import (
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"errors"
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"io"
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)
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func Diff(oldbytes, newbytes []byte, patch io.Writer) (err error) {
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oldptr, oldsize := bytesToUint8PtrAndSize(oldbytes)
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newptr, newsize := bytesToUint8PtrAndSize(newbytes)
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bufferIndex := writers.Add(patch)
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errCode := int(C.bsdiff_cgo(oldptr, oldsize, newptr, newsize, C.int(bufferIndex)))
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if errCode != 0 {
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err = errors.New("bsdiff failed")
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return
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}
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return
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}
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