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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2006-01-10 10:51:53 -0200 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2006-01-10 10:51:53 -0200 |
commit | ffb798e1e2deb1fe0f931e1f6c5b6d91f694051c (patch) | |
tree | 325354bd5b01893821ae7aed0bab0409027ef431 /ltable.h | |
parent | fa936f8fa9d391de08901339de044b783011adfa (diff) | |
download | lua-github-ffb798e1e2deb1fe0f931e1f6c5b6d91f694051c.tar.gz |
avoids type punning for table keys
Diffstat (limited to 'ltable.h')
-rw-r--r-- | ltable.h | 14 |
1 files changed, 8 insertions, 6 deletions
@@ -1,5 +1,5 @@ /* -** $Id: ltable.h,v 2.7 2005/04/25 19:24:10 roberto Exp roberto $ +** $Id: ltable.h,v 2.8 2005/06/06 13:30:25 roberto Exp roberto $ ** Lua tables (hash) ** See Copyright Notice in lua.h */ @@ -11,15 +11,13 @@ #define gnode(t,i) (&(t)->node[i]) -#define gkey(n) (&(n)->i_key) +#define gkey(n) (&(n)->i_key.nk) #define gval(n) (&(n)->i_val) -#define gnext(n) ((n)->i_key.next) +#define gnext(n) ((n)->i_key.nk.next) -#define key2tval(n) (cast(const TValue *, gkey(n))) +#define key2tval(n) (&(n)->i_key.tvk) -LUAI_DATA const Node luaH_dummynode; - LUAI_FUNC const TValue *luaH_getnum (Table *t, int key); LUAI_FUNC TValue *luaH_setnum (lua_State *L, Table *t, int key); LUAI_FUNC const TValue *luaH_getstr (Table *t, TString *key); @@ -35,5 +33,9 @@ LUAI_FUNC int luaH_getn (Table *t); /* exported only for debugging */ LUAI_FUNC Node *luaH_mainposition (const Table *t, const TValue *key); +#define luaH_dummynode (&luaH_dummynode_) + +LUAI_DATA const Node luaH_dummynode_; + #endif |