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* configure.in: always check timezone().

Browse source 
* strftime.c (rb_strftime): prefer timezone/altzone rather than
  gettimeofday().  The second argument to gettimeofday() is ignored
  on Solaris.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
shugo 2008-08-20 17:08:36 +00:00
parent 19569c8f25
commit 65337c5b2d
3 changed files with 23 additions and 17 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Thu Aug 21 01:58:59 2008 Shugo Maeda <shugo@ruby-lang.org>
* configure.in: always check timezone().
* strftime.c (rb_strftime): prefer timezone/altzone rather than
gettimeofday(). The second argument to gettimeofday() is ignored
on Solaris.
Thu Aug 21 02:03:08 2008 Tanaka Akira <akr@fsij.org>
* io.c (open_key_args): simplified.

22
configure.in
View file

@ -886,18 +886,16 @@ if test "[$rb_cv_var_]$1" != no; then
fi])
RUBY_CHECK_VARTYPE(timezone, [@%:@include <time.h>], [long int])
RUBY_CHECK_VARTYPE(altzone, [@%:@include <time.h>], [long int])
if test "$rb_cv_var_timezone" = no; then
AC_CHECK_FUNCS(timezone)
if test "$ac_cv_func_timezone" = yes; then
AC_CACHE_CHECK([whether timezone requires zero arguments], rb_cv_func_timezone_void,
[AC_TRY_COMPILE([@%:@include <time.h>],
[(void)timezone(0, 0);],
[rb_cv_func_timezone_void=no],
[rb_cv_func_timezone_void=yes])]
)
if test $rb_cv_func_timezone_void = yes; then
AC_DEFINE(TIMEZONE_VOID)
fi
AC_CHECK_FUNCS(timezone)
if test "$ac_cv_func_timezone" = yes; then
AC_CACHE_CHECK([whether timezone requires zero arguments], rb_cv_func_timezone_void,
[AC_TRY_COMPILE([@%:@include <time.h>],
[(void)timezone(0, 0);],
[rb_cv_func_timezone_void=no],
[rb_cv_func_timezone_void=yes])]
)
if test $rb_cv_func_timezone_void = yes; then
AC_DEFINE(TIMEZONE_VOID)
fi
fi

10
strftime.c
View file

@ -420,18 +420,18 @@ rb_strftime(char *s, size_t maxsize, const char *format, const struct tm *timept
*/
off = timeptr->tm_gmtoff / 60;
#else /* !HAVE_TM_ZONE */
#ifdef HAVE_GETTIMEOFDAY
gettimeofday(&tv, &zone);
off = -zone.tz_minuteswest;
#else
#if HAVE_VAR_TIMEZONE
#if HAVE_VAR_ALTZONE
off = -(daylight ? timezone : altzone) / 60;
#else
off = -timezone / 60;
#endif
#else /* !HAVE_TIMEZONE */
#ifdef HAVE_GETTIMEOFDAY
gettimeofday(&tv, &zone);
off = -zone.tz_minuteswest;
#endif
#endif
#endif /* !HAVE_TIMEZONE */
#endif /* !HAVE_TM_ZONE */
#endif /* !HAVE_TM_NAME */
if (off < 0) {