Linux/i386 implementation of chown.

sysdeps/unix/sysv/linux/m68k/chown.c

@@ -0,0 +1,57 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include <linux/posix_types.h>
+
+#include <sysdeps/unix/sysv/linux/32bit_uid_compat.h>
+
+extern int __syscall_chown (const char *__file,
+			    uid_t __owner, gid_t __group);
+
+#ifdef __NR_chown32
+extern int __syscall_chown32 (const char *__file,
+			      __kernel_uid32_t owner, __kernel_gid32_t group);
+#endif /* __NR_chown32 */
+
+int
+__chown (const char *file, uid_t owner, gid_t group)
+{
+#ifdef __NR_chown32
+  if (__libc_missing_32bit_uids != NO_HIGHUIDS)
+    {
+      int result;
+      int saved_errno = errno;
+
+      result = INLINE_SYSCALL (chown32, 3, file, owner, group);
+      if (result == 0 || errno != ENOSYS)
+	return result;
+
+      __set_errno (saved_errno);
+      __libc_missing_32bit_uids = NO_HIGHUIDS;
+    }
+#endif /* __NR_chown32 */
+
+  return INLINE_SYSCALL (chown, 3, file, owner, group);
+}
+weak_alias (__chown, chown)