File: fcntl.h

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/* SPDX-License-Identifier: LGPL-2.1 OR MIT */
/*
 * fcntl definition for NOLIBC
 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu>
 */

/* make sure to include all global symbols */
#include "nolibc.h"

#ifndef _NOLIBC_FCNTL_H
#define _NOLIBC_FCNTL_H

#include "arch.h"
#include "types.h"
#include "sys.h"

/*
 * int openat(int dirfd, const char *path, int flags[, mode_t mode]);
 */

static __attribute__((unused))
int sys_openat(int dirfd, const char *path, int flags, mode_t mode)
{
	return my_syscall4(__NR_openat, dirfd, path, flags, mode);
}

static __attribute__((unused))
int openat(int dirfd, const char *path, int flags, ...)
{
	mode_t mode = 0;

	if (flags & O_CREAT) {
		va_list args;

		va_start(args, flags);
		mode = va_arg(args, mode_t);
		va_end(args);
	}

	return __sysret(sys_openat(dirfd, path, flags, mode));
}

/*
 * int open(const char *path, int flags[, mode_t mode]);
 */

static __attribute__((unused))
int sys_open(const char *path, int flags, mode_t mode)
{
	return my_syscall4(__NR_openat, AT_FDCWD, path, flags, mode);
}

static __attribute__((unused))
int open(const char *path, int flags, ...)
{
	mode_t mode = 0;

	if (flags & O_CREAT) {
		va_list args;

		va_start(args, flags);
		mode = va_arg(args, mode_t);
		va_end(args);
	}

	return __sysret(sys_open(path, flags, mode));
}

#endif /* _NOLIBC_FCNTL_H */