44 lines
661 B
Go
44 lines
661 B
Go
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package native
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/*
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#include "bspatch.h"
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*/
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import "C"
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import (
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"io"
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"log"
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"unsafe"
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)
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//export cgo_read_buffer
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func cgo_read_buffer(bufferIndex C.int,
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bufPtr unsafe.Pointer, length C.int) C.int {
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goLength := int(length)
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if goLength == 0 {
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return 0
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}
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sourceBuffer := readers.Get(int(bufferIndex))
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targetBuffer := cPtrToSlice(bufPtr, goLength)
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errCode := 0
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offset := 0
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for offset < goLength {
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n, err := sourceBuffer.Read(targetBuffer)
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if err == io.EOF {
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break
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} else if err != nil {
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log.Println("cgo_read_buffer failed:", err)
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errCode = 1
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break
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}
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offset += n
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targetBuffer = targetBuffer[n:]
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}
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return C.int(errCode)
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}
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