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internal.h: use SIGNEDNESS_OF_TIME_T

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* configure.in (RUBY_REPLACE_TYPE): define SIGNEDNESS_OF_type same as
  check_signedness of mkmf.rb.
* internal.h (TIMET_MAX, TIMET_MIN, TIMET_MAX_PLUS_ONE): use
  SIGNEDNESS_OF_TIME_T.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-03-26 20:15:44 +00:00
parent 5426842df3
commit 7b2c7b620c
3 changed files with 21 additions and 6 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Wed Mar 27 05:15:37 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* configure.in (RUBY_REPLACE_TYPE): define SIGNEDNESS_OF_type same as
check_signedness of mkmf.rb.
* internal.h (TIMET_MAX, TIMET_MIN, TIMET_MAX_PLUS_ONE): use
SIGNEDNESS_OF_TIME_T.
Wed Mar 27 00:28:45 2013 Tanaka Akira <akr@fsij.org>
* internal.h (TIMET_MAX_PLUS_ONE): Defined.

2
configure.in
View file

@ -1171,7 +1171,9 @@ AC_DEFUN([RUBY_REPLACE_TYPE], [dnl
t=INT])
rb_cv_[$1]_convertible=${u}${t}])
test "${AS_TR_SH(ac_cv_type_[$1])}" = "yes" && n="$1"
AS_CASE("${rb_cv_[$1]_convertible}", [U*], [u=+1], [u=-1])
AC_DEFINE_UNQUOTED(rb_[$1], $n)
AC_DEFINE_UNQUOTED([SIGNEDNESS_OF_]AS_TR_CPP($1), $u)
AC_DEFINE_UNQUOTED([$3]2NUM[(v)], [${rb_cv_[$1]_convertible}2NUM(v)])
AC_DEFINE_UNQUOTED(NUM2[$3][(v)], [NUM2${rb_cv_[$1]_convertible}(v)])
AC_DEFINE_UNQUOTED(PRI_[$3]_PREFIX,

17
internal.h
View file

@ -19,12 +19,17 @@ extern "C" {
#endif
#endif
#define TIMET_MAX (~(time_t)0 <= 0 ? (time_t)((~(unsigned_time_t)0) >> 1) : (time_t)(~(unsigned_time_t)0))
#define TIMET_MIN (~(time_t)0 <= 0 ? (time_t)(((unsigned_time_t)1) << (sizeof(time_t) * CHAR_BIT - 1)) : (time_t)0)
#define TIMET_MAX_PLUS_ONE (~(time_t)0 <= 0 ? \
((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2 - 1)) : \
((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)))
#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_PLUS_ONE \
(((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2 - 1)))
#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_PLUS_ONE \
(((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2)) * (double)((time_t)1 << (sizeof(time_t) * CHAR_BIT / 2))))
#endif
struct rb_deprecated_classext_struct {
char conflict[sizeof(VALUE) * 3];