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-rw-r--r--src/ltable.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/ltable.h b/src/ltable.h
index 12366d4b..45ff45f2 100644
--- a/src/ltable.h
+++ b/src/ltable.h
@@ -1,5 +1,5 @@
/*
-** $Id: ltable.h,v 2.18 2013/08/30 16:01:37 roberto Exp $
+** $Id: ltable.h,v 2.19 2014/07/29 16:22:24 roberto Exp $
** Lua tables (hash)
** See Copyright Notice in lua.h
*/
@@ -11,10 +11,15 @@
#define gnode(t,i) (&(t)->node[i])
-#define gkey(n) (&(n)->i_key.tvk)
#define gval(n) (&(n)->i_val)
#define gnext(n) ((n)->i_key.nk.next)
+
+/* 'const' to avoid wrong writings that can mess up field 'next' */
+#define gkey(n) cast(const TValue*, (&(n)->i_key.tvk))
+
+#define wgkey(n) (&(n)->i_key.nk)
+
#define invalidateTMcache(t) ((t)->flags = 0)