1 /*
2 * Copyright (c) Huawei Technologies Co., Ltd. 2020-2023. All rights reserved.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <fcntl.h>
17 #include <stdarg.h>
18 #include "syscall.h"
19
open(const char *filename, int flags, ...)20 int open(const char *filename, int flags, ...)
21 {
22 mode_t mode = 0;
23
24 if ((flags & O_CREAT) || (flags & O_TMPFILE) == O_TMPFILE) {
25 va_list ap;
26 va_start(ap, flags);
27 mode = va_arg(ap, mode_t);
28 va_end(ap);
29 }
30
31 int fd = __sys_open_cp(filename, flags, mode);
32 return __syscall_ret(fd);
33 }
34
35 weak_alias(open, open64);
36