can you show us a complete example with a stub C function? in
particular the conversion to (*C.char) from unsafe.Pointer(&data[0])
should work. compare the first four bits at that address with the
first four bits you're receiving on the C side. they should be
identical. e.g.: https://play.golang.org/p/sqP12_nJNF
On Wed, Jun 14, 2017 at 7:54 AM, <aditi.bhiwaniw...@gmail.com> wrote:
> I have a byte array of image in golang , i have to pass this array to my C
> function as char* . I did he following ,
> data, err := ioutil.ReadAll(out.Body)
> str := fmt.Sprintf("%s",data)
> s:=C.main1(C.CString(str))
> s:=C.main1((*C.char)(unsafe.Pointer(&data[0])))
> but both the technique doesn't work. All i m receiving in my C function is
> some garbage value of length 4.
>
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