/* provide consistent interface to chown for systems that don't interpret
an ID of -1 as meaning `don't change the corresponding ID'.
- Copyright (C) 1997, 2004 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2004, 2005 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* written by Jim Meyering */
-#include <config.h>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
/* Disable the definition of chown to rpl_chown (from config.h) in this
file. Otherwise, we'd get conflicting prototypes for rpl_chown on
#include <sys/types.h>
#include <sys/stat.h>
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#if HAVE_FCNTL_H
-# include <fcntl.h>
-#else
-# include <sys/file.h>
-#endif
+#include <unistd.h>
+#include <fcntl.h>
#include <errno.h>
/* Provide a more-closely POSIX-conforming version of chown on
/* Stat file to get id(s) that should remain unchanged. */
if (stat (file, &file_stats))
- return 1;
+ return -1;
if (gid == (gid_t) -1)
gid = file_stats.st_gid;
/* Handle the case in which the system-supplied chown function
does *not* follow symlinks. Instead, it changes permissions
on the symlink itself. To work around that, we open the
- file (but this can fail due to lack of read permission) and
+ file (but this can fail due to lack of read or write permission) and
use fchown on the resulting descriptor. */
int fd = open (file, O_RDONLY | O_NONBLOCK | O_NOCTTY);
- if (fd == -1)
+ if (fd < 0
+ && (fd = open (file, O_WRONLY | O_NONBLOCK | O_NOCTTY)) < 0)
return -1;
if (fchown (fd, uid, gid))
{