xmake/templates/c/module.shared/project/modules/shared/foo/src/foo.c


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#include <xmi.h>

static int add(lua_State *lua) {
    int a = lua_tointeger(lua, 1);
    int b = lua_tointeger(lua, 2);
    lua_pushinteger(lua, a + b);
    return 1;
}

static int sub(lua_State *lua) {
    int a = lua_tointeger(lua, 1);
    int b = lua_tointeger(lua, 2);
    lua_pushinteger(lua, a - b);
    return 1;
}

int luaopen(foo, lua_State *lua) {
    static const luaL_Reg funcs[] = { { "add", add }, { "sub", sub }, { NULL, NULL } };
    lua_newtable(lua);
    luaL_setfuncs(lua, funcs, 0);
    return 1;
}