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* win32/win32.c (filetime_to_timeval): new function, split from

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gettimeofday().

	* win32/win32.c (gettimeofday): use above function.

	* win32/win32.c (filetime_to_unixtime): ditto. [ruby-dev:36135]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19106 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2008-09-03 16:14:17 +00:00
parent 9b6608c78d
commit e64711977b
2 changed files with 32 additions and 28 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
Thu Sep 4 01:12:03 2008 NAKAMURA Usaku <usa@ruby-lang.org>
* win32/win32.c (filetime_to_timeval): new function, split from
gettimeofday().
* win32/win32.c (gettimeofday): use above function.
* win32/win32.c (filetime_to_unixtime): ditto. [ruby-dev:36135]
Thu Sep 4 01:00:57 2008 NAKAMURA Usaku <usa@ruby-lang.org>
* transcode.c (transcode_restartable0): avoid VC++6's bug.

51
win32/win32.c
View file

@ -3086,27 +3086,36 @@ waitpid(rb_pid_t pid, int *stat_loc, int options)
#include <sys/timeb.h>
int _cdecl
gettimeofday(struct timeval *tv, struct timezone *tz)
static int
filetime_to_timeval(const FILETIME* ft, struct timeval *tv)
{
FILETIME ft;
ULARGE_INTEGER tmp;
unsigned LONG_LONG lt;
GetSystemTimeAsFileTime(&ft);
tmp.LowPart = ft.dwLowDateTime;
tmp.HighPart = ft.dwHighDateTime;
tmp.LowPart = ft->dwLowDateTime;
tmp.HighPart = ft->dwHighDateTime;
lt = tmp.QuadPart;
/* lt is now 100-nanosec intervals since 1601/01/01 00:00:00 UTC,
convert it into UNIX time (since 1970/01/01 00:00:00 UTC).
the first leap second is at 1972/06/30, so we doesn't need to think
about it. */
lt /= 10000; /* to msec */
lt -= (LONG_LONG)((1970-1601)*365.2425) * 24 * 60 * 60 * 1000;
lt /= 10; /* to usec */
lt -= (LONG_LONG)((1970-1601)*365.2425) * 24 * 60 * 60 * 1000 * 1000;
tv->tv_sec = lt / 1000;
tv->tv_usec = lt % 1000;
tv->tv_sec = lt / (1000 * 1000);
tv->tv_usec = lt % (1000 * 1000);
return tv->tv_sec > 0 ? 0 : -1;
}
int _cdecl
gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
filetime_to_timeval(&ft, tv);
return 0;
}
@ -3432,26 +3441,12 @@ static time_t
filetime_to_unixtime(const FILETIME *ft)
{
FILETIME loc;
SYSTEMTIME st;
struct tm tm;
time_t t;
struct timeval tv;
if (!FileTimeToLocalFileTime(ft, &loc)) {
if (filetime_to_timeval(ft, &tv) == (time_t)-1)
return 0;
}
if (!FileTimeToSystemTime(&loc, &st)) {
return 0;
}
memset(&tm, 0, sizeof(tm));
tm.tm_year = st.wYear - 1900;
tm.tm_mon = st.wMonth - 1;
tm.tm_mday = st.wDay;
tm.tm_hour = st.wHour;
tm.tm_min = st.wMinute;
tm.tm_sec = st.wSecond;
tm.tm_isdst = -1;
t = mktime(&tm);
return t == -1 ? 0 : t;
else
return tv.tv_sec;
}
static unsigned