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* ruby.h (Qfalse, Qtrue, Qnil, Qundef): make sure these immediate

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values have VALUE type. there is an environment where sizeof(VALUE)
  != sizeof(int) like IA64. if 32bit integer (Qtrue) is passed to ANYARGS
  and received by 64bit integer (VALUE), upper bits may have garbage value.
  [ruby-dev:27513]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9465 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ocean 2005-10-25 11:21:08 +00:00
parent a31918d635
commit ed91275a98
2 changed files with 12 additions and 4 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Tue Oct 25 20:06:59 2005 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp>
* ruby.h (Qfalse, Qtrue, Qnil, Qundef): make sure these immediate
values have VALUE type. there is an environment where sizeof(VALUE)
!= sizeof(int) like IA64. if 32bit integer (Qtrue) is passed to ANYARGS
and received by 64bit integer (VALUE), upper bits may have garbage value.
[ruby-dev:27513]
Tue Oct 25 14:21:46 2005 Hirokazu Yamamoto <ocean@m2.ccsnet.ne.jp>
* gc.c (garbage_collect): sorry, previous commit was incorrect.

8
ruby.h
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@ -187,10 +187,10 @@ VALUE rb_ull2inum(unsigned LONG_LONG);
#define SYM2ID(x) RSHIFT((long)x,8)
/* special contants - i.e. non-zero and non-fixnum constants */
#define Qfalse 0
#define Qtrue 2
#define Qnil 4
#define Qundef 6 /* undefined value for placeholder */
#define Qfalse ((VALUE)0)
#define Qtrue ((VALUE)2)
#define Qnil ((VALUE)4)
#define Qundef ((VALUE)6) /* undefined value for placeholder */
#define RTEST(v) (((VALUE)(v) & ~Qnil) != 0)
#define NIL_P(v) ((VALUE)(v) == Qnil)