28 lines
500 B
Go
28 lines
500 B
Go
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package main
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// #include <stdlib.h>
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// extern void Run();
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import "C"
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import "unsafe"
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func main() {
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C.Run()
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}
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const msg = "Here am I"
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//export Query
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func Query(cbuf *C.char, csiz *C.size_t) C.int {
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if int(*csiz) <= len(msg) {
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return 0
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}
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pbuf := uintptr(unsafe.Pointer(cbuf))
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for i := 0; i < len(msg); i++ {
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*((*byte)(unsafe.Pointer(pbuf))) = msg[i]
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pbuf++
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}
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*((*byte)(unsafe.Pointer(pbuf))) = 0
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*csiz = C.size_t(len(msg) + 1)
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return 1
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}
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