Linux: consolidate readlink implementation

Use readlink syscall if defined, otherwise readlinkat.

Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 0 insertions, 30 deletions

diff --git a/sysdeps/unix/sysv/linux/generic/readlink.c b/sysdeps/unix/sysv/linux/generic/readlink.c
deleted file mode 100644
index 9f25811a35..0000000000
--- a/sysdeps/unix/sysv/linux/generic/readlink.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2011-2022 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 Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library.  If not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <unistd.h>
-#include <fcntl.h>
-#include <sysdep.h>
-
-/* Read the contents of the symbolic link PATH into no more than
-   LEN bytes of BUF.  The contents are not null-terminated.
-   Returns the number of characters read, or -1 for errors.  */
-ssize_t
-__readlink (const char *path, char *buf, size_t len)
-{
-  return INLINE_SYSCALL (readlinkat, 4, AT_FDCWD, path, buf, len);
-}
-weak_alias (__readlink, readlink)