nuttx-apps/examples/lua_module/luamod_hello.c
2022-03-21 13:49:42 +08:00

77 lines
2.6 KiB
C

/****************************************************************************
* apps/examples/lua_module/luamod_hello.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <lua.h>
#include <lauxlib.h>
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int say_hello(lua_State *L);
/****************************************************************************
* Private Data
****************************************************************************/
static const struct luaL_Reg g_hello[] =
{
{"say_hello", say_hello},
{NULL, NULL},
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: say_hello
*
* Push a "Hello World!" string to the Lua interpreter.
*
****************************************************************************/
static int say_hello(lua_State *L)
{
lua_pushstring(L, "Hello World!");
return 1;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: luaopen_hello
*
* Open the "hello" Lua module.
*
****************************************************************************/
int luaopen_hello(lua_State *L)
{
luaL_newlib(L, g_hello);
return 1;
}