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better use defined/undefined as flag values for macros

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This commit is contained in:
Roberto Ierusalimschy 2005-05-20 16:09:05 -03:00
parent f21e9c172f
commit 38da9d568a
4 changed files with 20 additions and 20 deletions
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4
lauxlib.h
View File

@ -1,5 +1,5 @@
/*
** $Id: lauxlib.h,v 1.74 2005/01/10 17:31:50 roberto Exp roberto $
** $Id: lauxlib.h,v 1.75 2005/03/29 16:20:48 roberto Exp roberto $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/
@ -15,7 +15,7 @@
#include "lua.h"
#if !LUA_COMPAT_GETN
#if !defined(LUA_COMPAT_GETN)
#define luaL_getn(L,i) lua_objsize(L, i)
#define luaL_setn(L,i,j) ((void)0) /* no op! */
#endif

4
ldo.c
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@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 2.22 2005/04/05 13:41:29 roberto Exp roberto $
** $Id: ldo.c,v 2.23 2005/05/03 19:01:17 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -198,7 +198,7 @@ static StkId adjust_varargs (lua_State *L, int nfixargs, int actual,
for (; actual < nfixargs; ++actual)
setnilvalue(L->top++);
}
#if LUA_COMPAT_VARARG
#if defined(LUA_COMPAT_VARARG)
if (style != NEWSTYLEVARARG) { /* compatibility with old-style vararg */
int nvar = actual - nfixargs; /* number of extra arguments */
luaC_checkGC(L);

6
loadlib.c
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@ -1,5 +1,5 @@
/*
** $Id: loadlib.c,v 1.27 2005/05/16 21:19:00 roberto Exp roberto $
** $Id: loadlib.c,v 1.28 2005/05/17 19:49:15 roberto Exp roberto $
** Dynamic library loader for Lua
** See Copyright Notice in lua.h
**
@ -315,7 +315,7 @@ static int loader_Lua (lua_State *L) {
const char *name = luaL_checkstring(L, 1);
const char *fname = luaL_gsub(L, name, ".", LUA_DIRSEP);
const char *path = NULL;
#if LUA_COMPAT_PATH
#if defined(LUA_COMPAT_PATH)
/* try first `LUA_PATH' for compatibility */
lua_pushstring(L, "LUA_PATH");
lua_rawget(L, LUA_GLOBALSINDEX);
@ -508,7 +508,7 @@ LUALIB_API int luaopen_loadlib (lua_State *L) {
lua_setfield(L, -2, "preload");
/* create `loadlib' function */
lua_pushcfunction(L, ll_loadlib);
#if LUA_COMPAT_LOADLIB
#if defined(LUA_COMPAT_LOADLIB)
lua_pushvalue(L, -1);
lua_setfield(L, LUA_GLOBALSINDEX, "loadlib");
#endif

26
luaconf.h
View File

@ -1,5 +1,5 @@
/*
** $Id: luaconf.h,v 1.49 2005/05/17 19:49:15 roberto Exp roberto $
** $Id: luaconf.h,v 1.50 2005/05/20 15:53:42 roberto Exp roberto $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/
@ -257,31 +257,31 @@
/*
@@ LUA_COMPAT_GETN controls compatibility with old getn behavior.
** CHANGE it to 1 if you want exact compatibility with the behavior of
** setn/getn in Lua 5.0.
** CHANGE it (define it) if you want exact compatibility with the
** behavior of setn/getn in Lua 5.0.
*/
#define LUA_COMPAT_GETN 0
#undef LUA_COMPAT_GETN
/*
@@ LUA_COMPAT_PATH controls compatibility about LUA_PATH.
** CHANGE it to 1 if you want 'require' to look for global LUA_PATH
** before checking package.path.
** CHANGE it (define it) if you want 'require' to look for global
** LUA_PATH before checking package.path.
*/
#define LUA_COMPAT_PATH 0
#undef LUA_COMPAT_PATH
/*
@@ LUA_COMPAT_LOADLIB controls compatibility about global loadlib.
** CHANGE it to 1 if you want a global 'loadlib' function (otherwise
** the function is only available as 'package.loadlib').
** CHANGE it to undefined as soon as you do not need a global 'loadlib'
** function (the function is still available as 'package.loadlib').
*/
#define LUA_COMPAT_LOADLIB 1
#define LUA_COMPAT_LOADLIB
/*
@@ LUA_COMPAT_VARARG controls compatibility with old vararg feature.
** CHANGE it to 1 if you want vararg functions that do not use '...'
** to get an 'arg' table with their extra arguments.
** CHANGE it to undefined as soon as your programs use '...' to access
** vararg parameters (instead of the old 'arg' table).
*/
#define LUA_COMPAT_VARARG 1
#define LUA_COMPAT_VARARG
/*
@@ LUA_COMPAT_LSTR controls compatibility with old long string nesting