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Diffstat (limited to 'sysdeps/unix/sysv/linux/readlinkat.c')
-rw-r--r--sysdeps/unix/sysv/linux/readlinkat.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/sysdeps/unix/sysv/linux/readlinkat.c b/sysdeps/unix/sysv/linux/readlinkat.c
deleted file mode 100644
index 1361596503..0000000000
--- a/sysdeps/unix/sysv/linux/readlinkat.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/* Copyright (C) 2005, 2006 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <errno.h>
-#include <fcntl.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sysdep.h>
-#include <unistd.h>
-#include <kernel-features.h>
-
-
-/* Read the contents of the symbolic link PATH relative to FD into no
- more than LEN bytes of BUF. */
-ssize_t
-readlinkat (fd, path, buf, len)
- int fd;
- const char *path;
- char *buf;
- size_t len;
-{
- int result;
-
-#ifdef __NR_readlinkat
-# ifndef __ASSUME_ATFCTS
- if (__have_atfcts >= 0)
-# endif
- {
- result = INLINE_SYSCALL (readlinkat, 4, fd, path, buf, len);
-# ifndef __ASSUME_ATFCTS
- if (result == -1 && errno == ENOSYS)
- __have_atfcts = -1;
- else
-# endif
- return result;
- }
-#endif
-
-#ifndef __ASSUME_ATFCTS
- char *pathbuf = NULL;
-
- if (fd != AT_FDCWD && path[0] != '/')
- {
- size_t pathlen = strlen (path);
- static const char procfd[] = "/proc/self/fd/%d/%s";
- /* Buffer for the path name we are going to use. It consists of
- - the string /proc/self/fd/
- - the file descriptor number
- - the file name provided.
- The final NUL is included in the sizeof. A bit of overhead
- due to the format elements compensates for possible negative
- numbers. */
- size_t buflen = sizeof (procfd) + sizeof (int) * 3 + pathlen;
- pathbuf = __alloca (buflen);
-
- __snprintf (pathbuf, buflen, procfd, fd, path);
- path = pathbuf;
- }
-
- INTERNAL_SYSCALL_DECL (err);
-
- result = INTERNAL_SYSCALL (readlink, err, 3, path, buf, len);
-
- if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0))
- {
- __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, pathbuf);
- result = -1;
- }
-
- return result;
-#endif
-}
-libc_hidden_def (readlinkat)