* fileio.c (barf_or_query_if_file_exists): Use S_ISDIR.

This is more efficient than Ffile_directory_p and avoids a minor race.

2 files changed, 6 insertions, 1 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 70f6fb7469f..8e208565bde 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+        * fileio.c (barf_or_query_if_file_exists): Use S_ISDIR.
+        This is more efficient than Ffile_directory_p and avoids a minor race.
+
 2011-07-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
         * buffer.c (Foverlay_put): Say what the return value is
diff --git a/src/fileio.c b/src/fileio.c
index 68834d5b5ec..c6f8dfe4683 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -1755,7 +1755,7 @@ barf_or_query_if_file_exists (Lisp_Object absname, const char *querystring,
      regardless of what access permissions it has.  */
   if (lstat (SSDATA (encoded_filename), &statbuf) >= 0)
     {
-      if (Ffile_directory_p (absname))
+      if (S_ISDIR (statbuf.st_mode))
         xsignal2 (Qfile_error,
                   build_string ("File is a directory"), absname);