Fixed various warnings.

components/base_nodemcu/user_main.c

@@ -122,7 +122,7 @@ void nodemcu_init(void)
         flash_rom_set_size_byte(flash_safe_get_size_byte());
 
         // Reboot to get SDK to use (or write) init data at new location
-        system_restart ();
+        esp_restart ();
 
         // Don't post the start_lua task, we're about to reboot...
         return;

components/lua/lauxlib.c

@@ -649,7 +649,7 @@ LUALIB_API int luaL_loadfile (lua_State *L, const char *filename) {
 
 #else
 
-#include C_HEADER_FCNTL
+#include <fcntl.h>
 
 typedef struct LoadFSF {
   int extraline;
@@ -688,7 +688,7 @@ static int errfsfile (lua_State *L, const char *what, int fnameindex) {
 
 LUALIB_API int luaL_loadfsfile (lua_State *L, const char *filename) {
   LoadFSF lf;
-  int status, readstatus;
+  int status;
   int c;
   int fnameindex = lua_gettop(L) + 1;  /* index of filename on the stack */
   lf.extraline = 0;

components/lua/liolib.c

@@ -603,6 +603,7 @@ static void createmeta (lua_State *L) {
 }
 
 
+#if 0
 static void createstdfile (lua_State *L, int f, int k, const char *fname) {
   *newfile(L) = f;
 #if LUA_OPTIMIZE_MEMORY != 2
@@ -619,6 +620,7 @@ static void createstdfile (lua_State *L, int f, int k, const char *fname) {
   lua_setfield(L, -2, fname);
 #endif
 }
+#endif
 
 #if LUA_OPTIMIZE_MEMORY != 2
 static void newfenv (lua_State *L, lua_CFunction cls) {

components/lua/lua.c

@@ -128,15 +128,14 @@ static int docall (lua_State *L, int narg, int clear) {
 
 
 static void print_version (lua_State *L) {
-  lua_pushliteral (L, NODE_VERSION " build " BUILD_DATE " powered by " LUA_RELEASE " on IDF ");
-  lua_pushstring (L, system_get_sdk_version ());
-  lua_concat (L, 2);
+  lua_pushliteral (L, NODE_VERSION " build " BUILD_DATE " powered by " LUA_RELEASE);
   const char *msg = lua_tostring (L, -1);
   l_message (NULL, msg);
   lua_pop (L, 1);
 }
 
 
+#if 0
 static int getargs (lua_State *L, char **argv, int n) {
   int narg;
   int i;
@@ -154,7 +153,6 @@ static int getargs (lua_State *L, char **argv, int n) {
   return narg;
 }
 
-#if 0
 static int dofile (lua_State *L, const char *name) {
   int status = luaL_loadfile(L, name) || docall(L, 0, 1);
   return report(L, status);
@@ -477,7 +475,7 @@ void donejob(lua_Load *load){
 }
 
 static void dojob(lua_Load *load){
-  size_t l, rs;
+  size_t l;
   int status;
   char *b = load->line;
   lua_State *L = load->L;

components/modules/node.c

@@ -12,7 +12,7 @@
 // Lua: heap()
 static int node_heap( lua_State* L )
 {
-  uint32_t sz = system_get_free_heap_size();
+  uint32_t sz = esp_get_free_heap_size();
   lua_pushinteger(L, sz);
 return 1;
 }