about summary refs log tree commit diff
path: root/REORG.TODO/io/readlinkat.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/io/readlinkat.c')
-rw-r--r--REORG.TODO/io/readlinkat.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/REORG.TODO/io/readlinkat.c b/REORG.TODO/io/readlinkat.c
new file mode 100644
index 0000000000..ef40297199
--- /dev/null
+++ b/REORG.TODO/io/readlinkat.c
@@ -0,0 +1,44 @@
+/* Copyright (C) 2005-2017 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+/* Read the contents of the symbolic link PATH relative to FD 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
+readlinkat (int fd, const char *path, char *buf, size_t len)
+{
+  if (path == NULL)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  if (fd != AT_FDCWD && fd < 0 && *path != '/')
+    {
+      __set_errno (EBADF);
+      return -1;
+    }
+
+  __set_errno (ENOSYS);
+  return -1;
+}
+stub_warning (readlinkat)
+libc_hidden_def (readlinkat)