b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal * Use is subject to license terms.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal/* Types.h -- Basic types
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal2008-11-23 : Igor Pavlov : Public domain */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal#endif /* _KERNEL */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal#define RINOK(x) { int __result__ = (x); if (__result__ != 0) return __result__; }
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal/* define _SZ_NO_INT_64, if your compiler doesn't support 64-bit integers.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal NOTES: Some code will work incorrectly in that case! */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal/* The following interfaces use first parameter as pointer to structure */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Read)(void *p, void *buf, size_t *size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal (output(*size) < input(*size)) is allowed */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal/* it can return SZ_ERROR_INPUT_EOF */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes SeqInStream_Read(ISeqInStream *stream, void *buf, size_t size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes SeqInStream_Read2(ISeqInStream *stream, void *buf, size_t size, SRes errorType);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes SeqInStream_ReadByte(ISeqInStream *stream, Byte *buf);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal size_t (*Write)(void *p, const void *buf, size_t size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* Returns: result - the number of actually written bytes.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal (result < size) means error */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Read)(void *p, void *buf, size_t *size); /* same as ISeqInStream::Read */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Look)(void *p, void **buf, size_t *size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* if (input(*size) != 0 && output(*size) == 0) means end_of_stream.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal (output(*size) > input(*size)) is not allowed
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal (output(*size) < input(*size)) is allowed */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* offset must be <= output(*size) of Look */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Read)(void *p, void *buf, size_t *size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* reads directly (without buffer). It's same as ISeqInStream::Read */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Seek)(void *p, Int64 *pos, ESzSeek origin);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes LookInStream_LookRead(ILookInStream *stream, void *buf, size_t *size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes LookInStream_SeekTo(ILookInStream *stream, UInt64 offset);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal/* reads via ILookInStream::Read */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes LookInStream_Read2(ILookInStream *stream, void *buf, size_t size, SRes errorType);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok AggarwalSRes LookInStream_Read(ILookInStream *stream, void *buf, size_t size);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwalvoid LookToRead_CreateVTable(CLookToRead *p, int lookahead);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal SRes (*Progress)(void *p, UInt64 inSize, UInt64 outSize);
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal /* Returns: result. (result != SZ_OK) means break.
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal Value (UInt64)(Int64)-1 for size means unknown value. */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwaltypedef struct
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal void (*Free)(void *p, void *address, size_t size); /* address can be 0 */
b1efbcd6740f24e4bce347c64e48d9b74b472c67Alok Aggarwal#define IAlloc_Alloc(p, size) (p)->Alloc((p), size)