more explicit handling of headers for binary chunks

1 files changed, 12 insertions, 10 deletions

diff --git a/lundump.h b/lundump.h
index 97384861..5add1726 100644
--- a/lundump.h
+++ b/lundump.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lundump.h,v 1.38 2011/05/17 12:42:43 roberto Exp roberto $
+** $Id: lundump.h,v 1.39 2012/05/08 13:53:33 roberto Exp roberto $
 ** load precompiled Lua chunks
 ** See Copyright Notice in lua.h
 */
@@ -10,19 +10,21 @@
 #include "lobject.h"
 #include "lzio.h"
 
+
+/* data to catch conversion errors */
+#define LUAC_DATA       "\x19\x93\r\n\x1a\n"
+
+#define LUAC_INT        0xABCD
+#define LUAC_NUM        370.5
+
+#define MYINT(s)        (s[0]-'0')
+#define LUAC_VERSION    (MYINT(LUA_VERSION_MAJOR)*16+MYINT(LUA_VERSION_MINOR))
+#define LUAC_FORMAT     0       /* this is the official format */
+
 /* load one chunk; from lundump.c */
 LUAI_FUNC Closure* luaU_undump (lua_State* L, ZIO* Z, Mbuffer* buff, const char* name);
 
-/* make header; from lundump.c */
-LUAI_FUNC void luaU_header (lu_byte* h);
-
 /* dump one chunk; from ldump.c */
 LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
 
-/* data to catch conversion errors */
-#define LUAC_TAIL               "\x19\x93\r\n\x1a\n"
-
-/* size in bytes of header of binary files */
-#define LUAC_HEADERSIZE         (sizeof(LUA_SIGNATURE)-sizeof(char)+2+6+sizeof(LUAC_TAIL)-sizeof(char))
-
 #endif