Do only one call to GetVersionEx in the common case.

[pspp] / lib / symlinkat.c

diff --git a/lib/symlinkat.c b/lib/symlinkat.c
index 6c1c1d5fbdc23a75f8cbff967a960f4bcee451aa..d9032b93a440f42abb9c737e967210ac751507b2 100644 (file)
--- a/lib/symlinkat.c
+++ b/lib/symlinkat.c
@@ -20,13 +20,9 @@
 
 #include <unistd.h>
 
-#include "dirname.h" /* solely for definition of IS_ABSOLUTE_FILE_NAME */
-#include "openat.h"
-#include "openat-priv.h"
-#include "save-cwd.h"
-
 #if !HAVE_SYMLINK
-/* Mingw lacks symlink, so this wrapper is trivial.  */
+/* Mingw lacks symlink, and it is more efficient to provide a trivial
+   wrapper than to go through at-func.c to call rpl_symlink.  */
 
 # include <errno.h>
 
@@ -68,7 +64,7 @@ symlinkat_reversed (int fd, char const *file, char const *contents);
 /* Create a symlink FILE, in the directory open on descriptor FD,
    holding CONTENTS.  If possible, do it without changing the
    working directory.  Otherwise, resort to using save_cwd/fchdir,
-   then mkdir/restore_cwd.  If either the save_cwd or the restore_cwd
+   then symlink/restore_cwd.  If either the save_cwd or the restore_cwd
    fails, then give a diagnostic and exit nonzero.  */
 
 int
@@ -90,7 +86,7 @@ symlinkat (char const *contents, int fd, char const *file)
 /* Read the contents of symlink FILE into buffer BUF of size LEN, in the
    directory open on descriptor FD.  If possible, do it without changing
    the working directory.  Otherwise, resort to using save_cwd/fchdir,
-   then mkdir/restore_cwd.  If either the save_cwd or the restore_cwd
+   then readlink/restore_cwd.  If either the save_cwd or the restore_cwd
    fails, then give a diagnostic and exit nonzero.  */
 
 #define AT_FUNC_NAME readlinkat