Speed up most calls to 'stat' and 'lstat' on MS-Windows.

[bpt/emacs.git] / src / ChangeLog

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@@ -1,3 +1,14 @@
+2012-12-14  Eli Zaretskii  <eliz@gnu.org>
+
+       * w32.c (stat_worker): If w32_stat_get_owner_group is zero, do not
+       try to get accurate owner and group information from NT file
+       security APIs.  This is to make most callers of 'stat' and
+       'lstat', which don't need that information, much faster.
+
+       * dired.c (Ffile_attributes) [WINDOWSNT]: Set
+       w32_stat_get_owner_group to a non-zero value, to request accurate
+       owner and group information from 'lstat'.
+
 2012-12-13  Paul Eggert  <eggert@cs.ucla.edu>
 
        * fileio.c (Finsert_file_contents): Don't put tail into head area,