From 9b1c0e006f20091f28f3f468cfcab1feb51286bd Mon Sep 17 00:00:00 2001 From: Neo2003 Date: Thu, 2 Oct 2008 16:23:55 -0500 Subject: [svn] * Proper SVN structure --HG-- branch : trunk --- contrib/extractor/libmpq/explode.h | 86 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 contrib/extractor/libmpq/explode.h (limited to 'contrib/extractor/libmpq/explode.h') diff --git a/contrib/extractor/libmpq/explode.h b/contrib/extractor/libmpq/explode.h new file mode 100644 index 00000000000..1f916f778ae --- /dev/null +++ b/contrib/extractor/libmpq/explode.h @@ -0,0 +1,86 @@ +/* + * explode.h -- header file for PKWARE data decompression library + * used by mpq-tools. + * + * Copyright (C) 2003 Maik Broemme + * + * This source was adepted from the C++ version of pklib.h included + * in stormlib. The C++ version belongs to the following authors, + * + * Ladislav Zezula + * + * 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 _EXPLODE_H +#define _EXPLODE_H + +#define LIBMPQ_PKZIP_EXP_BUFFER_SIZE 12596 /* Size of decompress buffer */ +#define LIBMPQ_PKZIP_CMP_BINARY 0 /* Binary compression */ +#define LIBMPQ_PKZIP_CMP_ASCII 1 /* Ascii compression */ +#define LIBMPQ_PKZIP_CMP_NO_ERROR 0 +#define LIBMPQ_PKZIP_CMP_INV_DICTSIZE 1 +#define LIBMPQ_PKZIP_CMP_INV_MODE 2 +#define LIBMPQ_PKZIP_CMP_BAD_DATA 3 +#define LIBMPQ_PKZIP_CMP_ABORT 4 + +/* Compression structure (size: 12596 bytes on x86-32) */ +typedef struct { + unsigned long offs0000; /* 0000 */ + unsigned long cmp_type; /* 0004 - Compression type (LIBMPQ_PZIP_CMP_BINARY or LIBMPQ_PKZIP_CMP_ASCII) */ + unsigned long out_pos; /* 0008 - Position in output buffer */ + unsigned long dsize_bits; /* 000C - Dict size (4, 5, 6 for 0x400, 0x800, 0x1000) */ + unsigned long dsize_mask; /* 0010 - Dict size bitmask (0x0F, 0x1F, 0x3F for 0x400, 0x800, 0x1000) */ + unsigned long bit_buf; /* 0014 - 16-bit buffer for processing input data */ + unsigned long extra_bits; /* 0018 - Number of extra (above 8) bits in bit buffer */ + unsigned int in_pos; /* 001C - Position in in_buf */ + unsigned long in_bytes; /* 0020 - Number of bytes in input buffer */ + void *param; /* 0024 - Custom parameter */ + unsigned int (*read_buf)(char *buf, unsigned int *size, void *param); /* 0028 */ + void (*write_buf)(char *buf, unsigned int *size, void *param); /* 002C */ + unsigned char out_buf[0x2000]; /* 0030 - Output circle buffer. Starting position is 0x1000 */ + unsigned char offs_2030[0x204]; /* 2030 - ??? */ + unsigned char in_buf[0x800]; /* 2234 - Buffer for data to be decompressed */ + unsigned char pos1[0x100]; /* 2A34 - Positions in buffers */ + unsigned char pos2[0x100]; /* 2B34 - Positions in buffers */ + unsigned char offs_2c34[0x100]; /* 2C34 - Buffer for */ + unsigned char offs_2d34[0x100]; /* 2D34 - Buffer for */ + unsigned char offs_2e34[0x80]; /* 2EB4 - Buffer for */ + unsigned char offs_2eb4[0x100]; /* 2EB4 - Buffer for */ + unsigned char bits_asc[0x100]; /* 2FB4 - Buffer for */ + unsigned char dist_bits[0x40]; /* 30B4 - Numbers of bytes to skip copied block length */ + unsigned char slen_bits[0x10]; /* 30F4 - Numbers of bits for skip copied block length */ + unsigned char clen_bits[0x10]; /* 3104 - Number of valid bits for copied block */ + unsigned short len_base[0x10]; /* 3114 - Buffer for */ +} pkzip_data_cmp; +// __attribute__ ((packed)) pkzip_data_cmp; + +typedef struct { + char *in_buf; /* Pointer to input data buffer */ + unsigned int in_pos; /* Current offset in input data buffer */ + int in_bytes; /* Number of bytes in the input buffer */ + char *out_buf; /* Pointer to output data buffer */ + unsigned int out_pos; /* Position in the output buffer */ + int max_out; /* Maximum number of bytes in the output buffer */ +} pkzip_data; + +extern unsigned int libmpq_pkzip_explode( + unsigned int (*read_buf)(char *buf, unsigned int *size, void *param), + void (*write_buf)(char *buf, unsigned int *size, void *param), + char *work_buf, + void *param +); + +#endif /* _EXPLODE_H */ -- cgit v1.2.3