Function DoCGoCall

cgoutils/utils.go:26–34

DoCGoCall is the function wrapper to call a cgo function, check whether there is any exception thrown by the function and converted it to a golang error if any.

(f func() (uintptr, unsafe.Pointer))

// DoCGoCall is the function wrapper to call a cgo function, check whether there is any exception thrown by the function
// and converted it to a golang error if any.
func DoCGoCall(f func() (uintptr, unsafe.Pointer)) uintptr {
	res, pStrErr := f()
	if pStrErr != nil {
		errMsg := C.GoString((*C.char)(pStrErr))
		C.free(pStrErr)
		panic(utils.StackError(nil, errMsg))
	}
	return res
}