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* internal.h (SIGNED_INTEGER_TYPE_P): New macro.

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(SIGNED_INTEGER_MAX): Ditto.
  (SIGNED_INTEGER_MIN): Ditto.
  (UNSIGNED_INTEGER_MAX): Ditto.
  (TIMET_MAX): Use SIGNED_INTEGER_MAX and UNSIGNED_INTEGER_MAX.
  (TIMET_MIN): Use SIGNED_INTEGER_MIN.

* thread.c (TIMEVAL_SEC_MAX): Use SIGNED_INTEGER_MAX.
  (TIMEVAL_SEC_MIN): Use SIGNED_INTEGER_MIN.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40493 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2013-04-27 06:52:17 +00:00
parent e88a692a88
commit d907adecd9
3 changed files with 25 additions and 8 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
Sat Apr 27 15:50:40 2013 Tanaka Akira <akr@fsij.org>
* internal.h (SIGNED_INTEGER_TYPE_P): New macro.
(SIGNED_INTEGER_MAX): Ditto.
(SIGNED_INTEGER_MIN): Ditto.
(UNSIGNED_INTEGER_MAX): Ditto.
(TIMET_MAX): Use SIGNED_INTEGER_MAX and UNSIGNED_INTEGER_MAX.
(TIMET_MIN): Use SIGNED_INTEGER_MIN.
* thread.c (TIMEVAL_SEC_MAX): Use SIGNED_INTEGER_MAX.
(TIMEVAL_SEC_MIN): Use SIGNED_INTEGER_MIN.
Sat Apr 27 10:52:52 2013 Tanaka Akira <akr@fsij.org>
* thread.c (TIMEVAL_SEC_MAX, TIMEVAL_SEC_MIN): Consider environments,

15
internal.h
View file

@ -25,12 +25,19 @@ extern "C" {
(__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
#define SIGNED_INTEGER_TYPE_P(int_type) (0 > ((int_type)0)-1)
#define SIGNED_INTEGER_MAX(sint_type) \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) | \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) - 1))
#define SIGNED_INTEGER_MIN(sint_type) (-SIGNED_INTEGER_MAX(sint_type)-1)
#define UNSIGNED_INTEGER_MAX(uint_type) (~(uint_type)0)
#if SIGNEDNESS_OF_TIME_T < 0 /* signed */
# define TIMET_MAX (time_t)((~(unsigned_time_t)0) >> 1)
# define TIMET_MIN (time_t)(((unsigned_time_t)1) << (sizeof(time_t) * CHAR_BIT - 1))
# define TIMET_MAX SIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN SIGNED_INTEGER_MIN(time_t)
#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */
# define TIMET_MAX (time_t)(~(unsigned_time_t)0)
# define TIMET_MIN (time_t)0
# define TIMET_MAX UNSIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN ((time_t)0)
#endif
#define TIMET_MAX_PLUS_ONE (2*(double)(TIMET_MAX/2+1))

6
thread.c
View file

@ -922,10 +922,8 @@ thread_value(VALUE self)
*/
#if SIGNEDNESS_OF_TIME_T < 0 /* signed */
# define TIMEVAL_SEC_MAXBIT \
(((TYPEOF_TIMEVAL_TV_SEC)1) << (sizeof(TYPEOF_TIMEVAL_TV_SEC) * CHAR_BIT - 2))
# define TIMEVAL_SEC_MAX (TIMEVAL_SEC_MAXBIT | (TIMEVAL_SEC_MAXBIT-1))
# define TIMEVAL_SEC_MIN (-TIMEVAL_SEC_MAX-1)
# define TIMEVAL_SEC_MAX SIGNED_INTEGER_MAX(TYPEOF_TIMEVAL_TV_SEC)
# define TIMEVAL_SEC_MIN SIGNED_INTEGER_MIN(TYPEOF_TIMEVAL_TV_SEC)
#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */
# define TIMEVAL_SEC_MAX ((TYPEOF_TIMEVAL_TV_SEC)(~(unsigned_time_t)0))
# define TIMEVAL_SEC_MIN ((TYPEOF_TIMEVAL_TV_SEC)0)