1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#include <unistd.h>
29#include <fcntl.h>
30#include <stdarg.h>
31#include <stdlib.h>
32#include <private/logd.h>
33
34extern int  __openat(int, const char*, int, int);
35
36int openat(int fd, const char *pathname, int flags, ...)
37{
38    mode_t  mode = 0;
39
40    flags |= O_LARGEFILE;
41
42    if (flags & O_CREAT)
43    {
44        va_list  args;
45
46        va_start(args, flags);
47        mode = (mode_t) va_arg(args, int);
48        va_end(args);
49    }
50
51    return __openat(fd, pathname, flags, mode);
52}
53
54int __openat_2(int fd, const char *pathname, int flags)
55{
56    if (flags & O_CREAT) {
57        __libc_android_log_print(ANDROID_LOG_FATAL, "libc",
58            "*** openat(O_CREAT) called without specifying a mode ***\n");
59        abort();
60    }
61
62    flags |= O_LARGEFILE;
63
64    return __openat(fd, pathname, flags, 0);
65}
66
67