From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- io/readlinkat.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 io/readlinkat.c (limited to 'io/readlinkat.c') diff --git a/io/readlinkat.c b/io/readlinkat.c new file mode 100644 index 0000000000..7e6a2227d8 --- /dev/null +++ b/io/readlinkat.c @@ -0,0 +1,51 @@ +/* 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 +#include +#include + +/* 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 (fd, path, buf, len) + 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) + +#include -- cgit 1.4.1