fcntl.c revision 5f79ffb27119766a5f946d912849ffb1bdface72 
1/*
2 * Copyright 2012, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <fcntl.h>
18#include <stdarg.h>
19#include <fcntl_portable.h>
20
21#if F_GETLK_PORTABLE==F_GETLK
22#error Bad build environment
23#endif
24
25static inline int mips_change_cmd(int cmd)
26{
27    switch(cmd) {
28    case F_GETLK_PORTABLE:
29        return F_GETLK;
30    case F_SETLK_PORTABLE:
31        return F_SETLK;
32    case F_SETLKW_PORTABLE:
33        return F_SETLKW;
34    case F_SETOWN_PORTABLE:
35        return F_SETOWN;
36    case F_GETOWN_PORTABLE:
37        return F_GETOWN;
38    case F_GETLK64_PORTABLE:
39        return F_GETLK64;
40    case F_SETLK64_PORTABLE:
41        return F_SETLK64;
42    case F_SETLKW64_PORTABLE:
43        return F_SETLKW64;
44    }
45    return cmd;
46}
47
48extern int __fcntl64(int, int, void *);
49
50int fcntl_portable(int fd, int cmd, ...)
51{
52    va_list ap;
53    void * arg;
54
55    va_start(ap, cmd);
56    arg = va_arg(ap, void *);
57    va_end(ap);
58
59    return __fcntl64(fd, mips_change_cmd(cmd), arg);
60}
61
62