diff options
Diffstat (limited to 'src/ltable.h')
| -rw-r--r-- | src/ltable.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/ltable.h b/src/ltable.h index 2f6f5c2d..d69449b2 100644 --- a/src/ltable.h +++ b/src/ltable.h @@ -1,5 +1,5 @@ /* -** $Id: ltable.h,v 2.16 2011/08/17 20:26:47 roberto Exp $ +** $Id: ltable.h,v 2.16.1.2 2013/08/30 15:49:41 roberto Exp $ ** Lua tables (hash) ** See Copyright Notice in lua.h */ @@ -17,6 +17,10 @@ #define invalidateTMcache(t) ((t)->flags = 0) +/* returns the key, given the value of a table entry */ +#define keyfromval(v) \ + (gkey(cast(Node *, cast(char *, (v)) - offsetof(Node, i_val)))) + LUAI_FUNC const TValue *luaH_getint (Table *t, int key); LUAI_FUNC void luaH_setint (lua_State *L, Table *t, int key, TValue *value); |