From 84e0b1bc9789148092797fecf303547fef35a875 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 22 Oct 2002 14:18:28 -0300
Subject: small changes in type configuration facilities

---
 llimits.h | 15 ++++++++++++---
 lobject.c |  4 ++--
 lobject.h |  6 +++---
 ltests.c  |  4 ++--
 lua.h     |  7 ++++---
 5 files changed, 23 insertions(+), 13 deletions(-)

diff --git a/llimits.h b/llimits.h
index 9acea06d..ae24db35 100644
--- a/llimits.h
+++ b/llimits.h
@@ -1,5 +1,5 @@
 /*
-** $Id: llimits.h,v 1.45 2002/07/08 20:22:08 roberto Exp roberto $
+** $Id: llimits.h,v 1.46 2002/10/08 18:46:08 roberto Exp roberto $
 ** Limits, basic types, and some other `installation-dependent' definitions
 ** See Copyright Notice in lua.h
 */
@@ -77,9 +77,18 @@ typedef unsigned char lu_byte;
 
 /* type to ensure maximum alignment */
 #ifndef LUSER_ALIGNMENT_T
-#define LUSER_ALIGNMENT_T	double
+typedef union { double u; void *s; long l; } L_Umaxalign;
+#else
+typedef LUSER_ALIGNMENT_T L_Umaxalign;
+#endif
+
+
+/* result of `usual argument convertion' over lua_Number */
+#ifndef LUA_UACNUMBER
+typedef double l_uacNumber;
+#else
+typedef LUA_UACNUMBER l_uacNumber;
 #endif
-union L_Umaxalign { LUSER_ALIGNMENT_T u; void *s; long l; };
 
 
 #ifndef lua_assert
diff --git a/lobject.c b/lobject.c
index bf6b4c00..6dde80fc 100644
--- a/lobject.c
+++ b/lobject.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 1.89 2002/10/04 14:31:03 roberto Exp roberto $
+** $Id: lobject.c,v 1.90 2002/10/08 18:46:08 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -116,7 +116,7 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
         incr_top(L);
         break;
       case 'f':
-        setnvalue(L->top, va_arg(argp, lua_Number));
+        setnvalue(L->top, va_arg(argp, l_uacNumber));
         incr_top(L);
         break;
       case '%':
diff --git a/lobject.h b/lobject.h
index ba81d56d..580848aa 100644
--- a/lobject.h
+++ b/lobject.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.h,v 1.147 2002/10/08 18:46:08 roberto Exp roberto $
+** $Id: lobject.h,v 1.148 2002/10/16 20:40:58 roberto Exp roberto $
 ** Type definitions for Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -140,7 +140,7 @@ typedef TObject *StkId;  /* index to stack elements */
 ** String headers for string table
 */
 typedef union TString {
-  union L_Umaxalign dummy;  /* ensures maximum alignment for strings */
+  L_Umaxalign dummy;  /* ensures maximum alignment for strings */
   struct {
     union GCObject *next;  /* pointer to next object */
     lu_byte tt;  /* object type */
@@ -158,7 +158,7 @@ typedef union TString {
 
 
 typedef union Udata {
-  union L_Umaxalign dummy;  /* ensures maximum alignment for `local' udata */
+  L_Umaxalign dummy;  /* ensures maximum alignment for `local' udata */
   struct {
     union GCObject *next;  /* pointer to next object */
     lu_byte tt;  /* object type */
diff --git a/ltests.c b/ltests.c
index d6f8adc4..86586d6a 100644
--- a/ltests.c
+++ b/ltests.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltests.c,v 1.134 2002/08/30 19:09:21 roberto Exp roberto $
+** $Id: ltests.c,v 1.135 2002/09/05 19:57:08 roberto Exp roberto $
 ** Internal Module for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
@@ -58,7 +58,7 @@ static void setnameval (lua_State *L, const char *name, int val) {
 
 
 /* ensures maximum alignment for HEADER */
-#define HEADER	(sizeof(union L_Umaxalign))
+#define HEADER	(sizeof(L_Umaxalign))
 
 #define MARKSIZE	32
 #define MARK		0x55  /* 01010101 (a nice pattern) */
diff --git a/lua.h b/lua.h
index d3a22a75..49a99f88 100644
--- a/lua.h
+++ b/lua.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.156 2002/08/30 20:00:59 roberto Exp roberto $
+** $Id: lua.h,v 1.157 2002/09/02 20:00:41 roberto Exp roberto $
 ** Lua - An Extensible Extension Language
 ** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
 ** http://www.lua.org	mailto:info@lua.org
@@ -86,9 +86,10 @@ typedef const char * (*lua_Chunkreader) (lua_State *L, void *ud, size_t *sz);
 
 /* type of Numbers in Lua */
 #ifndef LUA_NUMBER
-#define LUA_NUMBER	double
-#endif
+typedef double lua_Number;
+#else
 typedef LUA_NUMBER lua_Number;
+#endif
 
 
 /* mark for all API functions */
-- 
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