diff options
Diffstat (limited to 'io/openat.c')
-rw-r--r-- | io/openat.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/io/openat.c b/io/openat.c new file mode 100644 index 0000000..f3f699c --- /dev/null +++ b/io/openat.c @@ -0,0 +1,69 @@ +/* Copyright (C) 2005 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 <stdarg.h> +#include <stddef.h> +#include <sys/stat.h> + +/* Open FILE with access OFLAG. Interpret relative paths relative to + the directory associated with FD. If OFLAG includes O_CREAT, a + third argument is the file protection. */ +int +openat (fd, file, oflag) + 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 (oflag & O_CREAT) + { + va_list arg; + va_start (arg, oflag); + mode = va_arg (arg, int); + va_end (arg); + } + + __set_errno (ENOSYS); + return -1; +} +stub_warning (openat) + +#include <stub-tag.h> |