/* Copyright (C) 2005-2018 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 <stdarg.h> #include <stddef.h> #include <stdio.h> #include <sys/stat.h> /* Open FILE with access OFLAG. Interpret relative paths relative to the directory associated with FD. If O_CREAT or O_TMPFILE is in OFLAG, a third argument is the file protection. */ int __openat64 (int fd, const char *file, int oflag, ...) { int mode; if (file == NULL) { __set_errno (EINVAL); return -1; } if (fd != AT_FDCWD && file[0] != '/') { /* Check FD is associated with a directory. */ struct stat64 st; if (__fxstat64 (_STAT_VER, fd, &st) != 0) return -1; if (!S_ISDIR (st.st_mode)) { __set_errno (ENOTDIR); return -1; } } if (__OPEN_NEEDS_MODE (oflag)) { va_list arg; va_start (arg, oflag); mode = va_arg (arg, int); va_end (arg); ignore_value (mode); } __set_errno (ENOSYS); return -1; } libc_hidden_def (__openat64) weak_alias (__openat64, openat64) stub_warning (openat64) /* __openat64_2 is a generic wrapper that calls __openat64. So give a stub warning for that symbol too. */ stub_warning (__openat_2)