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https://github.com/TrinityCore/TrinityCore.git
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718c238524
Update libmpq to d59b4cf1d1 and add some custom change to fix additional build warnings, diff is included.
Extracting dbcs, maps, vmaps and mmaps is not required.
88 lines
3.8 KiB
C
88 lines
3.8 KiB
C
/*
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* explode.h -- header file for pkware data decompression library
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* used by mpq-tools.
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*
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* Copyright (c) 2003-2011 Maik Broemme <mbroemme@libmpq.org>
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*
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* This source was adepted from the C++ version of pklib.h included
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* in stormlib. The C++ version belongs to the following authors:
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*
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* Ladislav Zezula <ladik@zezula.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _EXPLODE_H
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#define _EXPLODE_H
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/* define compression constants and return values. */
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#define LIBMPQ_PKZIP_CMP_BINARY 0 /* binary compression. */
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#define LIBMPQ_PKZIP_CMP_ASCII 1 /* ascii compression. */
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#define LIBMPQ_PKZIP_CMP_NO_ERROR 0
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#define LIBMPQ_PKZIP_CMP_INV_DICTSIZE 1
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#define LIBMPQ_PKZIP_CMP_INV_MODE 2
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#define LIBMPQ_PKZIP_CMP_BAD_DATA 3
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#define LIBMPQ_PKZIP_CMP_ABORT 4
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#include "pack_begin.h"
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/* compression structure. */
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typedef struct {
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uint32_t offs0000; /* 0000 - start. */
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uint32_t cmp_type; /* 0004 - compression type (binary or ascii). */
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uint32_t out_pos; /* 0008 - position in output buffer. */
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uint32_t dsize_bits; /* 000C - dict size (4, 5, 6 for 0x400, 0x800, 0x1000). */
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uint32_t dsize_mask; /* 0010 - dict size bitmask (0x0F, 0x1F, 0x3F for 0x400, 0x800, 0x1000). */
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uint32_t bit_buf; /* 0014 - 16-bit buffer for processing input data. */
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uint32_t extra_bits; /* 0018 - number of extra (above 8) bits in bit buffer. */
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uint32_t in_pos; /* 001C - position in in_buf. */
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uint32_t in_bytes; /* 0020 - number of bytes in input buffer. */
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void *param; /* 0024 - custom parameter. */
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uint32_t (*read_buf)(char *buf, uint32_t *size, void *param); /* 0028 offset.*/
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void (*write_buf)(char *buf, uint32_t *size, void *param); /* 002C offset. */
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uint8_t out_buf[0x2000]; /* 0030 - output circle buffer, starting position is 0x1000. */
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uint8_t offs_2030[0x204]; /* 2030 - whats that? */
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uint8_t in_buf[0x800]; /* 2234 - buffer for data to be decompressed. */
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uint8_t pos1[0x100]; /* 2A34 - positions in buffers. */
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uint8_t pos2[0x100]; /* 2B34 - positions in buffers. */
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uint8_t offs_2c34[0x100]; /* 2C34 - buffer. */
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uint8_t offs_2d34[0x100]; /* 2D34 - buffer. */
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uint8_t offs_2e34[0x80]; /* 2EB4 - buffer. */
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uint8_t offs_2eb4[0x100]; /* 2EB4 - buffer. */
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uint8_t bits_asc[0x100]; /* 2FB4 - buffer. */
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uint8_t dist_bits[0x40]; /* 30B4 - numbers of bytes to skip copied block length. */
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uint8_t slen_bits[0x10]; /* 30F4 - numbers of bits for skip copied block length. */
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uint8_t clen_bits[0x10]; /* 3104 - number of valid bits for copied block. */
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uint16_t len_base[0x10]; /* 3114 - buffer. */
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} PACK_STRUCT pkzip_cmp_s;
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#include "pack_end.h"
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/* data structure. */
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typedef struct {
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uint8_t *in_buf; /* pointer to input data buffer. */
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uint32_t in_pos; /* current offset in input data buffer. */
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int32_t in_bytes; /* number of bytes in the input buffer. */
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uint8_t *out_buf; /* pointer to output data buffer. */
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uint32_t out_pos; /* position in the output buffer. */
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int32_t max_out; /* maximum number of bytes in the output buffer. */
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} pkzip_data_s;
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/* decompress the stream using pkzip compression. */
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uint32_t libmpq__do_decompress_pkzip(
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uint8_t *work_buf,
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void *param
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);
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#endif /* _EXPLODE_H */
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