nik/lush
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

new constant 'MAX_SIZE', distinct from 'MAX_SIZET', for sizes visible

Browse Source 
from Lua; these must fit in a lua_Integer
This commit is contained in:
Roberto Ierusalimschy
2013-06-19 11:27:00 -03:00
parent c72fb1cf8e
commit 130c0e40e0
4 changed files with 14 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
llimits.h
View File

@@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.106 2013/05/27 12:43:37 roberto Exp roberto $
** $Id: llimits.h,v 1.107 2013/05/29 14:04:15 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@@ -27,8 +27,14 @@ typedef LUAI_MEM l_mem;
typedef unsigned char lu_byte;
/* maximum value for size_t */
#define MAX_SIZET ((size_t)(~(size_t)0)-2)
/* maximum size visible for Lua (must be representable in a lua_Integer */
#define MAX_SIZE (sizeof(size_t) <= sizeof(lua_Integer) ? MAX_SIZET \
: (size_t)(~(lua_Unsigned)0)-2)
#define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2)
#define MAX_LMEM ((l_mem) ((MAX_LUMEM >> 1) - 2))