pdf/wasm/hello.cpp

#include <cstdint>
#include <cstring>

#if defined(__EMSCRIPTEN__)
#include <emscripten/emscripten.h>
#define WASM_EXPORT EMSCRIPTEN_KEEPALIVE
#else
#define WASM_EXPORT
#endif

extern "C" {

WASM_EXPORT int add(int a, int b) {
    return a + b;
}

WASM_EXPORT int hello_version() {
    return 1;
}

}