From ff075693c9038cdd666676a5d55e0bbccaaa8a2b Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Mar 2012 10:55:11 +0000
Subject: * win32/win32.c (rb_w32_fstat, rb_w32_fstati64): convert FILETIME  
 to time_t directly, not to be affected by TZ unnecessarily. * win32/win32.c
 (unixtime_to_filetime): convert time_t to FILETIME   simply.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 win32/win32.c | 49 ++++++++++++++++++++++++-------------------------
 1 file changed, 24 insertions(+), 25 deletions(-)

(limited to 'win32/win32.c')

diff --git a/win32/win32.c b/win32/win32.c
index 37b3943036..b685896755 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -4433,7 +4433,8 @@ isUNCRoot(const WCHAR *path)
 	(dest).st_ctime = (src).st_ctime;	\
     } while (0)
 
-#ifdef __BORLANDC__
+static time_t filetime_to_unixtime(const FILETIME *ft);
+
 #undef fstat
 /* License: Ruby's */
 int
@@ -4443,10 +4444,18 @@ rb_w32_fstat(int fd, struct stat *st)
     int ret = fstat(fd, st);
 
     if (ret) return ret;
+#ifdef __BORLANDC__
     st->st_mode &= ~(S_IWGRP | S_IWOTH);
-    if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &info) &&
-	!(info.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
-	st->st_mode |= S_IWUSR;
+#endif
+    if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &info)) {
+#ifdef __BORLANDC__
+	if (!(info.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
+	    st->st_mode |= S_IWUSR;
+	}
+#endif
+	st->st_atime = filetime_to_unixtime(&info.ftLastAccessTime);
+	st->st_mtime = filetime_to_unixtime(&info.ftLastWriteTime);
+	st->st_ctime = filetime_to_unixtime(&info.ftCreationTime);
     }
     return ret;
 }
@@ -4460,17 +4469,23 @@ rb_w32_fstati64(int fd, struct stati64 *st)
     int ret = fstat(fd, &tmp);
 
     if (ret) return ret;
+#ifdef __BORLANDC__
     tmp.st_mode &= ~(S_IWGRP | S_IWOTH);
+#endif
     COPY_STAT(tmp, *st, +);
     if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &info)) {
+#ifdef __BORLANDC__
 	if (!(info.dwFileAttributes & FILE_ATTRIBUTE_READONLY)) {
 	    st->st_mode |= S_IWUSR;
 	}
+#endif
 	st->st_size = ((__int64)info.nFileSizeHigh << 32) | info.nFileSizeLow;
+	st->st_atime = filetime_to_unixtime(&info.ftLastAccessTime);
+	st->st_mtime = filetime_to_unixtime(&info.ftLastWriteTime);
+	st->st_ctime = filetime_to_unixtime(&info.ftCreationTime);
     }
     return ret;
 }
-#endif
 
 /* License: Ruby's */
 static time_t
@@ -5817,27 +5832,11 @@ rb_w32_write_console(uintptr_t strarg, int fd)
 static int
 unixtime_to_filetime(time_t time, FILETIME *ft)
 {
-    struct tm *tm;
-    SYSTEMTIME st;
-    FILETIME lt;
+    ULARGE_INTEGER tmp;
 
-    tm = localtime(&time);
-    if (!tm) {
-	return -1;
-    }
-    st.wYear = tm->tm_year + 1900;
-    st.wMonth = tm->tm_mon + 1;
-    st.wDayOfWeek = tm->tm_wday;
-    st.wDay = tm->tm_mday;
-    st.wHour = tm->tm_hour;
-    st.wMinute = tm->tm_min;
-    st.wSecond = tm->tm_sec;
-    st.wMilliseconds = 0;
-    if (!SystemTimeToFileTime(&st, &lt) ||
-	!LocalFileTimeToFileTime(&lt, ft)) {
-	errno = map_errno(GetLastError());
-	return -1;
-    }
+    tmp.QuadPart = ((LONG_LONG)time + (LONG_LONG)((1970-1601)*365.2425) * 24 * 60 * 60) * 10 * 1000 * 1000;
+    ft->dwLowDateTime = tmp.LowPart;
+    ft->dwHighDateTime = tmp.HighPart;
     return 0;
 }
 
-- 
cgit v1.2.3