lua inbinary strings

Allows saving of ram by reusing strings already stored in the binary
and storing a pointer instead of malloc and copy to get them inside
the lua state

Saves about 1.5K overall

Derivative of work by bogdanm
RAM optimizations: pseudo RO strings, functions in Flash
https://github.com/elua/elua/commit/d54659b5723bcd2b1e3900362398c72c18a9aa0b

Change-Id: I21d6dcfa32523877efd9f70fb0f88f2a02872649

1 files changed, 2 insertions, 4 deletions

diff --git a/apps/plugins/lua/ltm.c b/apps/plugins/lua/ltm.c
index c27f0f6fab..946028006f 100644
--- a/apps/plugins/lua/ltm.c
+++ b/apps/plugins/lua/ltm.c
@@ -36,10 +36,8 @@ void luaT_init (lua_State *L) {
     "__concat", "__call"
   };
   int i;
-  for (i=0; i<TM_N; i++) {
-    G(L)->tmname[i] = luaS_new(L, luaT_eventname[i]);
-    luaS_fix(G(L)->tmname[i]);  /* never collect these names */
-  }
+  for (i=0; i<TM_N; i++) /* never collect these names */
+    G(L)->tmname[i] = luaS_newlloc(L, luaT_eventname[i], TSTR_INBIN | TSTR_FIXED);
 }