Added suport for Fixed Buffers

A fixed buffer keeps a binary chunk "forever", so that the program
does not need to copy some of its parts when loading it.

1 files changed, 4 insertions, 2 deletions

diff --git a/lfunc.c b/lfunc.c
index 9866a2d5..066409c0 100644
--- a/lfunc.c
+++ b/lfunc.c
@@ -265,10 +265,12 @@ Proto *luaF_newproto (lua_State *L) {
 
 
 void luaF_freeproto (lua_State *L, Proto *f) {
-  luaM_freearray(L, f->code, f->sizecode);
+  if (!(f->flag & PF_FIXED)) {
+    luaM_freearray(L, f->code, f->sizecode);
+    luaM_freearray(L, f->lineinfo, f->sizelineinfo);
+  }
   luaM_freearray(L, f->p, f->sizep);
   luaM_freearray(L, f->k, f->sizek);
-  luaM_freearray(L, f->lineinfo, f->sizelineinfo);
   luaM_freearray(L, f->abslineinfo, f->sizeabslineinfo);
   luaM_freearray(L, f->locvars, f->sizelocvars);
   luaM_freearray(L, f->upvalues, f->sizeupvalues);