diff options
Diffstat (limited to 'REORG.TODO/io/readlinkat.c')
-rw-r--r-- | REORG.TODO/io/readlinkat.c | 44 |
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) |