ObjFW
OFSeekableStream.h
1 /*
2  * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im>
3  *
4  * All rights reserved.
5  *
6  * This file is part of ObjFW. It may be distributed under the terms of the
7  * Q Public License 1.0, which can be found in the file LICENSE.QPL included in
8  * the packaging of this file.
9  *
10  * Alternatively, it may be distributed under the terms of the GNU General
11  * Public License, either version 2 or 3, which can be found in the file
12  * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
13  * file.
14  */
15 
16 #ifndef __STDC_LIMIT_MACROS
17 # define __STDC_LIMIT_MACROS
18 #endif
19 #ifndef __STDC_CONSTANT_MACROS
20 # define __STDC_CONSTANT_MACROS
21 #endif
22 
23 #include "objfw-defs.h"
24 
25 #ifdef OF_HAVE_SYS_TYPES_H
26 # include <sys/types.h>
27 #endif
28 
29 #import "OFStream.h"
30 
31 OF_ASSUME_NONNULL_BEGIN
32 
33 #if defined(OF_WINDOWS)
34 typedef __int64 of_offset_t;
35 #elif defined(OF_ANDROID)
36 typedef long long of_offset_t;
37 #elif defined(OF_MORPHOS)
38 typedef signed long long of_offset_t;
39 #elif defined(OF_HAVE_OFF64_T)
40 typedef off64_t of_offset_t;
41 #else
42 typedef off_t of_offset_t;
43 #endif
44 
57 {
58  OF_RESERVE_IVARS(OFSeekableStream, 4)
59 }
60 
74 - (of_offset_t)seekToOffset: (of_offset_t)offset whence: (int)whence;
75 
94 - (of_offset_t)lowlevelSeekToOffset: (of_offset_t)offset whence: (int)whence;
95 @end
96 
97 OF_ASSUME_NONNULL_END
A stream that supports seeking.
Definition: OFSeekableStream.h:57
A base class for different types of streams.
Definition: OFStream.h:191