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when assigning to a 'TValue', better assign only exact fields, 

to allow us to put stuff after the 'TValuefields' if needed
This commit is contained in:
Roberto Ierusalimschy 2017-06-01 17:24:05 -03:00
parent dad85e4131
commit 4bb30f461b
1 changed files with 6 additions and 6 deletions
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12
lobject.h
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@ -1,5 +1,5 @@
/*
** $Id: lobject.h,v 2.119 2017/04/24 18:06:12 roberto Exp roberto $
** $Id: lobject.h,v 2.120 2017/04/30 20:43:26 roberto Exp roberto $
** Type definitions for Lua objects
** See Copyright Notice in lua.h
*/
@ -108,7 +108,7 @@ typedef union Value {
} Value;
#define TValuefields Value value_; int tt_
#define TValuefields Value value_; lu_byte tt_
typedef struct lua_TValue {
@ -258,7 +258,8 @@ typedef struct lua_TValue {
#define setobj(L,obj1,obj2) \
{ TValue *io1=(obj1); *io1 = *(obj2); \
{ TValue *io1=(obj1); const TValue *io2=(obj2); \
io1->value_ = io2->value_; io1->tt_ = io2->tt_; \
(void)L; checkliveness(L,io1); }
@ -278,9 +279,8 @@ typedef struct lua_TValue {
/* to new object */
#define setobj2n setobj
#define setsvalue2n setsvalue
/* to table (define it as an expression to be used in macros) */
#define setobj2t(L,o1,o2) ((void)L, *(o1)=*(o2), checkliveness(L,(o1)))
/* to table */
#define setobj2t setobj