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/*
* mpq.h -- some default types and defines.
*
* Copyright (c) 2003-2008 Maik Broemme <mbroemme@plusserver.de>
*
* Some parts (the encryption and decryption stuff) were adapted from
* the C++ version of StormLib.h and StormPort.h included in stormlib.
* The C++ version belongs to the following authors:
*
* Ladislav Zezula <ladik@zezula.net>
* Marko Friedemann <marko.friedemann@bmx-chemnitz.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _MPQ_H
#define _MPQ_H
#ifdef __cplusplus
extern "C" {
#endif
/* generic includes. */
#include <stdint.h>
#include <sys/types.h>
#if defined(__GNUC__) && (__GNUC__ >= 4)
# define LIBMPQ_API __attribute__((visibility("default")))
#else
# define LIBMPQ_API
#endif
/* define errors. */
#define LIBMPQ_ERROR_OPEN -1 /* open error on file. */
#define LIBMPQ_ERROR_CLOSE -2 /* close error on file. */
#define LIBMPQ_ERROR_SEEK -3 /* lseek error on file. */
#define LIBMPQ_ERROR_READ -4 /* read error on file. */
#define LIBMPQ_ERROR_WRITE -5 /* write error on file. */
#define LIBMPQ_ERROR_MALLOC -6 /* memory allocation error. */
#define LIBMPQ_ERROR_FORMAT -7 /* format errror. */
#define LIBMPQ_ERROR_NOT_INITIALIZED -8 /* libmpq__init() wasn't called. */
#define LIBMPQ_ERROR_SIZE -9 /* buffer size is to small. */
#define LIBMPQ_ERROR_EXIST -10 /* file or block does not exist in archive. */
#define LIBMPQ_ERROR_DECRYPT -11 /* we don't know the decryption seed. */
#define LIBMPQ_ERROR_UNPACK -12 /* error on unpacking file. */
/* internal data structure. */
typedef struct mpq_archive mpq_archive_s;
/* file offset data type for API*/
typedef int64_t libmpq__off_t;
/* generic information about library. */
extern LIBMPQ_API const char *libmpq__version(void);
/* generic mpq archive information. */
extern LIBMPQ_API int32_t libmpq__archive_open(mpq_archive_s **mpq_archive, const char *mpq_filename, libmpq__off_t archive_offset);
extern LIBMPQ_API int32_t libmpq__archive_close(mpq_archive_s *mpq_archive);
extern LIBMPQ_API int32_t libmpq__archive_packed_size(mpq_archive_s *mpq_archive, libmpq__off_t *packed_size);
extern LIBMPQ_API int32_t libmpq__archive_unpacked_size(mpq_archive_s *mpq_archive, libmpq__off_t *unpacked_size);
extern LIBMPQ_API int32_t libmpq__archive_offset(mpq_archive_s *mpq_archive, libmpq__off_t *offset);
extern LIBMPQ_API int32_t libmpq__archive_version(mpq_archive_s *mpq_archive, uint32_t *version);
extern LIBMPQ_API int32_t libmpq__archive_files(mpq_archive_s *mpq_archive, uint32_t *files);
/* generic file processing functions. */
extern LIBMPQ_API int32_t libmpq__file_packed_size(mpq_archive_s *mpq_archive, uint32_t file_number, libmpq__off_t *packed_size);
extern LIBMPQ_API int32_t libmpq__file_unpacked_size(mpq_archive_s *mpq_archive, uint32_t file_number, libmpq__off_t *unpacked_size);
extern LIBMPQ_API int32_t libmpq__file_offset(mpq_archive_s *mpq_archive, uint32_t file_number, libmpq__off_t *offset);
extern LIBMPQ_API int32_t libmpq__file_blocks(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t *blocks);
extern LIBMPQ_API int32_t libmpq__file_encrypted(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t *encrypted);
extern LIBMPQ_API int32_t libmpq__file_compressed(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t *compressed);
extern LIBMPQ_API int32_t libmpq__file_imploded(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t *imploded);
extern LIBMPQ_API int32_t libmpq__file_number(mpq_archive_s *mpq_archive, const char *filename, uint32_t *number);
extern LIBMPQ_API int32_t libmpq__file_read(mpq_archive_s *mpq_archive, uint32_t file_number, uint8_t *out_buf, libmpq__off_t out_size, libmpq__off_t *transferred);
/* generic block processing functions. */
extern LIBMPQ_API int32_t libmpq__block_open_offset(mpq_archive_s *mpq_archive, uint32_t file_number);
extern LIBMPQ_API int32_t libmpq__block_close_offset(mpq_archive_s *mpq_archive, uint32_t file_number);
extern LIBMPQ_API int32_t libmpq__block_unpacked_size(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t block_number, libmpq__off_t *unpacked_size);
extern LIBMPQ_API int32_t libmpq__block_read(mpq_archive_s *mpq_archive, uint32_t file_number, uint32_t block_number, uint8_t *out_buf, libmpq__off_t out_size, libmpq__off_t *transferred);
#ifdef __cplusplus
}
#endif
#endif /* _MPQ_H */
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