openat: Fix warnings and commens when building unlinkat.c on Hurd.

* lib/unlinkat.c: Mention Hurd in comments.  Include stdlib.h to
get prototype for free.

diff --git a/ChangeLog b/ChangeLog
index 57b1110..3e4c1a2 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-08-05  Simon Josefsson  <simon@josefsson.org>
+
+       openat: Fix warnings and commens when building unlinkat.c on Hurd.
+       * lib/unlinkat.c: Mention Hurd in comments.  Include stdlib.h to
+       get prototype for free.
+
 2011-08-04  Bruno Haible  <bruno@clisp.org>
 
        Tests for module 'pathmax'.

diff --git a/lib/unlinkat.c b/lib/unlinkat.c
index fd1c69e..bae6642 100644 (file)
--- a/lib/unlinkat.c
+++ b/lib/unlinkat.c
@@ -1,4 +1,4 @@
-/* Work around unlinkat bugs on Solaris 9.
+/* Work around unlinkat bugs on Solaris 9 and Hurd.
 
    Copyright (C) 2009-2011 Free Software Foundation, Inc.
 
@@ -26,6 +26,8 @@
 #include <string.h>
 #include <sys/stat.h>
 
+#include <stdlib.h>
+
 #include "dosname.h"
 #include "openat.h"
 
@@ -34,7 +36,8 @@
 # undef unlinkat
 
 /* unlinkat without AT_REMOVEDIR does not honor trailing / on Solaris
-   9.  Solve it in a similar manner to unlink.  */
+   9.  Solve it in a similar manner to unlink.  Hurd has the same
+   issue. */
 
 int
 rpl_unlinkat (int fd, char const *name, int flag)