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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __FCNTL_H
#define __FCNTL_H
#include <linux/types.h>
#define AT_FDCWD -100 /* Special value used to indicate
openat should use the current
working directory. */
#define AT_REMOVEDIR 0x200 /* Remove directory instead of
unlinking file. */
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
#define O_ACCMODE 00000003
#define O_RDONLY 00000000
#define O_WRONLY 00000001
#define O_RDWR 00000002
#define O_CREAT 00000100 /* not fcntl */
#define O_EXCL 00000200 /* not fcntl */
#define O_TRUNC 00001000 /* not fcntl */
#define O_APPEND 00002000
#define O_DIRECTORY 00200000 /* must be a directory */
#define O_NOFOLLOW 00400000 /* don't follow links */
/* barebox additional flags */
#define O_RWSIZE_MASK 017000000
#define O_RWSIZE_SHIFT 18
#define O_RWSIZE_1 001000000
#define O_RWSIZE_2 002000000
#define O_RWSIZE_4 004000000
#define O_RWSIZE_8 010000000
#define __O_TMPFILE 020000000
#define O_PATH 040000000 /* open as path */
#define O_CHROOT 0100000000 /* dirfd: stay within filesystem root */
#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
int openat(int dirfd, const char *pathname, int flags);
static inline int open(const char *pathname, int flags, ...)
{
return openat(AT_FDCWD, pathname, flags);
}
static inline int creat(const char *pathname, mode_t mode)
{
return open(pathname, O_CREAT | O_WRONLY | O_TRUNC);
}
#endif /* __FCNTL_H */
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