2014-08-15 13:31
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I'm trying to instantiate a C struct inside my Go code. The struct is defined like this, (in an external library that I cannot modify):

typedef struct {
    char field1[256];
} S1

In go, I did this:

func myfunc(mystr string){
    // We need to convert mystr from string to char array
    cStr := C.CString(mystr)

    // Should work now
    s1 := &C.S1{field1: cStr}

    // Do something with s1...

But it doesn't compile because:

cannot use cStr (type *C.char) as type [256]C.char in field value

I've tried forcing ([256]C.char)(cStr) but it obviously doesn't work either.

Is there a way to achieve what I'm trying to do?

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