usa	2014-11-13 12:18:00 +0900 (Thu, 13 Nov 2014)

  New Revision: 48394

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=48394

  Log:
    * rb_w32_fstat{,i64}: speed up.  adjuting timestamps in this function
      is to get rid of the side effect of ENV["TZ"].  then, if ENV["TZ"] is
      not set, no need to adjust.  this change makes File#stat about 60%
      faster.

  Modified files:
    trunk/ChangeLog
    trunk/win32/win32.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 48393)
+++ ChangeLog	(revision 48394)
@@ -1,3 +1,10 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Nov 13 12:11:18 2014  NAKAMURA Usaku  <usa@r...>
+
+	* rb_w32_fstat{,i64}: speed up.  adjuting timestamps in this function
+	  is to get rid of the side effect of ENV["TZ"].  then, if ENV["TZ"] is
+	  not set, no need to adjust.  this change makes File#stat about 60%
+	  faster.
+
 Thu Nov 13 11:56:12 2014  Nobuyoshi Nakada  <nobu@r...>
 
 	* st.c: include "internal.h" for STATIC_ASSERT.
Index: win32/win32.c
===================================================================
--- win32/win32.c	(revision 48393)
+++ win32/win32.c	(revision 48394)
@@ -4815,6 +4815,8 @@ rb_w32_fstat(int fd, struct stat *st) https://github.com/ruby/ruby/blob/trunk/win32/win32.c#L4815
     if (ret) return ret;
 #ifdef __BORLANDC__
     st->st_mode &= ~(S_IWGRP | S_IWOTH);
+#else
+    if (GetEnvironmentVariableW(L"TZ", NULL, 0) == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) return ret;
 #endif
     if (GetFileInformationByHandle((HANDLE)_get_osfhandle(fd), &info)) {
 #ifdef __BORLANDC__
@@ -4835,7 +4837,12 @@ rb_w32_fstati64(int fd, struct stati64 * https://github.com/ruby/ruby/blob/trunk/win32/win32.c#L4837
 {
     BY_HANDLE_FILE_INFORMATION info;
     struct stat tmp;
-    int ret = fstat(fd, &tmp);
+    int ret;
+
+#ifndef __BORLANDC__
+    if (GetEnvironmentVariableW(L"TZ", NULL, 0) == 0 && GetLastError() == ERROR_ENVVAR_NOT_FOUND) return _fstati64(fd, st);
+#endif
+    ret = fstat(fd, &tmp);
 
     if (ret) return ret;
 #ifdef __BORLANDC__

--
ML: ruby-changes@q...
Info: http://www.atdot.net/~ko1/quickml/