LUAI_MAXSTACK defined privately

LUAI_MAXSTACK is limited to INT_MAX/2, so can use INT_MAX/2 to define
pseudo-indices (LUA_REGISTRYINDEX) in 'lua.h'. A change in the maximum
stack size does not need to change the Lua-C ABI.

1 files changed, 0 insertions, 14 deletions

diff --git a/luaconf.h b/luaconf.h
index 51e77547..bc5fbe9f 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -764,20 +764,6 @@
 */
 
 /*
-@@ LUAI_MAXSTACK limits the size of the Lua stack.
-** CHANGE it if you need a different limit. This limit is arbitrary;
-** its only purpose is to stop Lua from consuming unlimited stack
-** space and to reserve some numbers for pseudo-indices.
-** (It must fit into max(int)/2.)
-*/
-#if 1000000 < (INT_MAX / 2)
-#define LUAI_MAXSTACK           1000000
-#else
-#define LUAI_MAXSTACK           (INT_MAX / 2u)
-#endif
-
-
-/*
 @@ LUA_EXTRASPACE defines the size of a raw memory area associated with
 ** a Lua state with very fast access.
 ** CHANGE it if you need a different size.