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typedef signed long long of_offset_t;
#elif defined(OF_HAVE_OFF64_T)
typedef off64_t of_offset_t;
#else
typedef off_t of_offset_t;
#endif
/*!
* @class OFSeekableStream OFSeekableStream.h ObjFW/OFSeekableStream.h
*
* @brief A stream that supports seeking.
*
* @note If you want to subclass this, override
* @ref lowlevelSeekToOffset:whence:. OFSeekableStream uses this method
* and makes it work together with the caching of OFStream. If you
* override this methods without the `lowlevel` prefix, you *will* break
* caching, get broken results and seek to the wrong position!
*/
@interface OFSeekableStream: OFStream
{
OF_RESERVE_IVARS(4)
}
/*!
* @brief Seeks to the specified absolute offset.
*
* @param offset The offset in bytes
* @param whence From where to seek.@n
* Possible values are:
* Value | Description
* -----------|---------------------------------------
* `SEEK_SET` | Seek to the specified byte
* `SEEK_CUR` | Seek to the current location + offset
* `SEEK_END` | Seek to the end of the stream + offset
* @return The new offset form the start of the file
*/
- (of_offset_t)seekToOffset: (of_offset_t)offset
whence: (int)whence;
/*!
* @brief Seek the stream on the lowlevel.
*
* @warning Do not call this directly!
*
* @note Override this method with your actual seek implementation when
* subclassing!
*
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typedef signed long long of_offset_t;
#elif defined(OF_HAVE_OFF64_T)
typedef off64_t of_offset_t;
#else
typedef off_t of_offset_t;
#endif
/**
* @class OFSeekableStream OFSeekableStream.h ObjFW/OFSeekableStream.h
*
* @brief A stream that supports seeking.
*
* @note If you want to subclass this, override
* @ref lowlevelSeekToOffset:whence:. OFSeekableStream uses this method
* and makes it work together with the caching of OFStream. If you
* override this methods without the `lowlevel` prefix, you *will* break
* caching, get broken results and seek to the wrong position!
*/
@interface OFSeekableStream: OFStream
{
OF_RESERVE_IVARS(OFSeekableStream, 4)
}
/**
* @brief Seeks to the specified absolute offset.
*
* @param offset The offset in bytes
* @param whence From where to seek.@n
* Possible values are:
* Value | Description
* -----------|---------------------------------------
* `SEEK_SET` | Seek to the specified byte
* `SEEK_CUR` | Seek to the current location + offset
* `SEEK_END` | Seek to the end of the stream + offset
* @return The new offset form the start of the file
*/
- (of_offset_t)seekToOffset: (of_offset_t)offset
whence: (int)whence;
/**
* @brief Seek the stream on the lowlevel.
*
* @warning Do not call this directly!
*
* @note Override this method with your actual seek implementation when
* subclassing!
*
|