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-rw-r--r--sysdeps/unix/sysv/linux/s390/lchown.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/s390/lchown.c b/sysdeps/unix/sysv/linux/s390/lchown.c
new file mode 100644
index 0000000000..8ca77fc037
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/s390/lchown.c
@@ -0,0 +1,75 @@
+/* Copyright (C) 2000 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 <bp-checks.h>
+
+#include <linux/posix_types.h>
+#include "kernel-features.h"
+
+extern int __syscall_lchown (const char *__unbounded __file,
+ __kernel_uid_t __owner, __kernel_gid_t __group);
+
+# ifdef __NR_lchown32
+extern int __syscall_lchown32 (const char *__unbounded __file,
+ __kernel_uid32_t __owner,
+ __kernel_gid32_t __group);
+# if __ASSUME_32BITUIDS == 0
+/* This variable is shared with all files that need to check for 32bit
+ uids. */
+extern int __libc_missing_32bit_uids;
+# endif
+# endif /* __NR_lchown32 */
+
+int
+__lchown (const char *file, uid_t owner, gid_t group)
+{
+# if __ASSUME_32BITUIDS > 0
+ return INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
+# else
+# ifdef __NR_lchown32
+ if (__libc_missing_32bit_uids <= 0)
+ {
+ int result;
+ int saved_errno = errno;
+
+ result = INLINE_SYSCALL (lchown32, 3, CHECK_STRING (file), owner, group);
+ if (result == 0 || errno != ENOSYS)
+ return result;
+
+ __set_errno (saved_errno);
+ __libc_missing_32bit_uids = 1;
+ }
+# endif /* __NR_lchown32 */
+
+ if (((owner + 1) > (uid_t) ((__kernel_uid_t) -1U))
+ || ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+
+ return INLINE_SYSCALL (lchown, 3, CHECK_STRING (file), owner, group);
+# endif
+}
+
+weak_alias (__lchown, lchown)