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authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2014-07-18 15:29:12 -0300
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2014-07-18 15:29:12 -0300
commit325e44d87e87ee14f2d683cd327d13ed8e6cd59b (patch)
treee0172e8e3c6fc8e488279ceba65e659fcad2c7d3 /llimits.h
parent54ac25334325d4d7c35005a0126ee8168ca1ae49 (diff)
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no more "-2" for limits. (Limits should be precise; safety is in
the code that handles these limits.)
Diffstat (limited to 'llimits.h')
-rw-r--r--llimits.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/llimits.h b/llimits.h
index d7d9a08f..5b34039c 100644
--- a/llimits.h
+++ b/llimits.h
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: llimits.h,v 1.118 2014/07/15 21:26:50 roberto Exp roberto $ 2** $Id: llimits.h,v 1.119 2014/07/18 18:18:45 roberto Exp roberto $
3** Limits, basic types, and some other `installation-dependent' definitions 3** Limits, basic types, and some other `installation-dependent' definitions
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -28,19 +28,19 @@ typedef unsigned char lu_byte;
28 28
29 29
30/* maximum value for size_t */ 30/* maximum value for size_t */
31#define MAX_SIZET ((size_t)(~(size_t)0)-2) 31#define MAX_SIZET ((size_t)(~(size_t)0))
32 32
33/* maximum size visible for Lua (must be representable in a lua_Integer */ 33/* maximum size visible for Lua (must be representable in a lua_Integer */
34#define MAX_SIZE (sizeof(size_t) < sizeof(lua_Integer) ? MAX_SIZET \ 34#define MAX_SIZE (sizeof(size_t) < sizeof(lua_Integer) ? MAX_SIZET \
35 : (size_t)(LUA_MAXINTEGER)-2) 35 : (size_t)(LUA_MAXINTEGER))
36 36
37 37
38#define MAX_LUMEM ((lu_mem)(~(lu_mem)0)-2) 38#define MAX_LUMEM ((lu_mem)(~(lu_mem)0))
39 39
40#define MAX_LMEM ((l_mem) ((MAX_LUMEM >> 1) - 2)) 40#define MAX_LMEM ((l_mem)(MAX_LUMEM >> 1))
41 41
42 42
43#define MAX_INT (INT_MAX-2) /* maximum value of an int (-2 for safety) */ 43#define MAX_INT INT_MAX /* maximum value of an int */
44 44
45 45
46/* 46/*