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no more "-2" for limits. (Limits should be precise; safety is in

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the code that handles these limits.)
This commit is contained in:
Roberto Ierusalimschy 2014-07-18 15:29:12 -03:00
parent 54ac253343
commit 325e44d87e
1 changed files with 6 additions and 6 deletions
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12
llimits.h
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@ -1,5 +1,5 @@
/*
** $Id: llimits.h,v 1.118 2014/07/15 21:26:50 roberto Exp roberto $
** $Id: llimits.h,v 1.119 2014/07/18 18:18:45 roberto Exp roberto $
** Limits, basic types, and some other `installation-dependent' definitions
** See Copyright Notice in lua.h
*/
@ -28,19 +28,19 @@ typedef unsigned char lu_byte;
/* maximum value for size_t */
#define MAX_SIZET ((size_t)(~(size_t)0)-2)
#define MAX_SIZET ((size_t)(~(size_t)0))
/* 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_MAXINTEGER)-2)
: (size_t)(LUA_MAXINTEGER))
#define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2)
#define MAX_LUMEM ((lu_mem)(~(lu_mem)0))
#define MAX_LMEM ((l_mem) ((MAX_LUMEM >> 1) - 2))
#define MAX_LMEM ((l_mem)(MAX_LUMEM >> 1))
#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */
#define MAX_INT INT_MAX /* maximum value of an int */
/*