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cleaner way to ensure alignment for strings and userdata

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This commit is contained in:
Roberto Ierusalimschy 2001-06-15 17:36:57 -03:00
parent eadf2aaaff
commit 8e586c13fc
12 changed files with 92 additions and 103 deletions
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16
lstring.h
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@ -1,5 +1,5 @@
/*
** $Id: lstring.h,v 1.31 2001/02/23 17:17:25 roberto Exp roberto $
** $Id: lstring.h,v 1.32 2001/06/06 18:00:19 roberto Exp roberto $
** String table (keep all strings handled by Lua)
** See Copyright Notice in lua.h
*/
@ -13,16 +13,6 @@
/*
** type equivalent to Udata, but with maximum alignment requirements
*/
union L_UUdata {
Udata u;
union L_Umaxalign dummy; /* ensures maximum alignment for `local' udata */
};
/*
** any TString with mark>=FIXMARK is never collected.
** Marks>=RESERVEDMARK are used to identify reserved words.
@ -31,10 +21,10 @@ union L_UUdata {
#define RESERVEDMARK 3
#define sizestring(l) ((lu_mem)sizeof(union L_UTString)+ \
#define sizestring(l) ((lu_mem)sizeof(union TString)+ \
((lu_mem)(l)+1)*sizeof(l_char))
#define sizeudata(l) ((lu_mem)sizeof(union L_UUdata)+(l))
#define sizeudata(l) ((lu_mem)sizeof(union Udata)+(l))
#define luaS_new(L, s) (luaS_newlstr(L, s, strlen(s)))
#define luaS_newliteral(L, s) (luaS_newlstr(L, l_s("") s, \