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.cpp | 428 +++++++++++++++++++++++++++++++++++ 1 file changed, 428 insertions(+) create mode 100644 contrib/extractor/libmpq/explode.cpp (limited to 'contrib/extractor/libmpq/explode.cpp') diff --git a/contrib/extractor/libmpq/explode.cpp b/contrib/extractor/libmpq/explode.cpp new file mode 100644 index 00000000000..bcf9e7857a2 --- /dev/null +++ b/contrib/extractor/libmpq/explode.cpp @@ -0,0 +1,428 @@ +/* + * explode.c -- explode function of PKWARE data compression library. + * + * Copyright (C) 2003 Maik Broemme + * + * This source was adepted from the C++ version of pkware.cpp 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. + */ + +#include +#include + +#include "mpq.h" +#include "explode.h" + +/* Tables */ +static unsigned char pkzip_dist_bits[] = { + 0x02, 0x04, 0x04, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, + 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, + 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, + 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08 +}; + +static unsigned char pkzip_dist_code[] = { + 0x03, 0x0D, 0x05, 0x19, 0x09, 0x11, 0x01, 0x3E, 0x1E, 0x2E, 0x0E, 0x36, 0x16, 0x26, 0x06, 0x3A, + 0x1A, 0x2A, 0x0A, 0x32, 0x12, 0x22, 0x42, 0x02, 0x7C, 0x3C, 0x5C, 0x1C, 0x6C, 0x2C, 0x4C, 0x0C, + 0x74, 0x34, 0x54, 0x14, 0x64, 0x24, 0x44, 0x04, 0x78, 0x38, 0x58, 0x18, 0x68, 0x28, 0x48, 0x08, + 0xF0, 0x70, 0xB0, 0x30, 0xD0, 0x50, 0x90, 0x10, 0xE0, 0x60, 0xA0, 0x20, 0xC0, 0x40, 0x80, 0x00 +}; + +static unsigned char pkzip_clen_bits[] = { + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 +}; + +static unsigned short pkzip_len_base[] = { + 0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007, + 0x0008, 0x000A, 0x000E, 0x0016, 0x0026, 0x0046, 0x0086, 0x0106 +}; + +static unsigned char pkzip_slen_bits[] = { + 0x03, 0x02, 0x03, 0x03, 0x04, 0x04, 0x04, 0x05, 0x05, 0x05, 0x05, 0x06, 0x06, 0x06, 0x07, 0x07 +}; + +static unsigned char pkzip_len_code[] = { + 0x05, 0x03, 0x01, 0x06, 0x0A, 0x02, 0x0C, 0x14, 0x04, 0x18, 0x08, 0x30, 0x10, 0x20, 0x40, 0x00 +}; + +static unsigned char pkzip_bits_asc[] = { + 0x0B, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x08, 0x07, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, + 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0D, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, + 0x04, 0x0A, 0x08, 0x0C, 0x0A, 0x0C, 0x0A, 0x08, 0x07, 0x07, 0x08, 0x09, 0x07, 0x06, 0x07, 0x08, + 0x07, 0x06, 0x07, 0x07, 0x07, 0x07, 0x08, 0x07, 0x07, 0x08, 0x08, 0x0C, 0x0B, 0x07, 0x09, 0x0B, + 0x0C, 0x06, 0x07, 0x06, 0x06, 0x05, 0x07, 0x08, 0x08, 0x06, 0x0B, 0x09, 0x06, 0x07, 0x06, 0x06, + 0x07, 0x0B, 0x06, 0x06, 0x06, 0x07, 0x09, 0x08, 0x09, 0x09, 0x0B, 0x08, 0x0B, 0x09, 0x0C, 0x08, + 0x0C, 0x05, 0x06, 0x06, 0x06, 0x05, 0x06, 0x06, 0x06, 0x05, 0x0B, 0x07, 0x05, 0x06, 0x05, 0x05, + 0x06, 0x0A, 0x05, 0x05, 0x05, 0x05, 0x08, 0x07, 0x08, 0x08, 0x0A, 0x0B, 0x0B, 0x0C, 0x0C, 0x0C, + 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, + 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, + 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, + 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, + 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, + 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, + 0x0D, 0x0C, 0x0D, 0x0D, 0x0D, 0x0C, 0x0D, 0x0D, 0x0D, 0x0C, 0x0D, 0x0D, 0x0D, 0x0D, 0x0C, 0x0D, + 0x0D, 0x0D, 0x0C, 0x0C, 0x0C, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D, 0x0D +}; + +static unsigned short pkzip_code_asc[] = { + 0x0490, 0x0FE0, 0x07E0, 0x0BE0, 0x03E0, 0x0DE0, 0x05E0, 0x09E0, + 0x01E0, 0x00B8, 0x0062, 0x0EE0, 0x06E0, 0x0022, 0x0AE0, 0x02E0, + 0x0CE0, 0x04E0, 0x08E0, 0x00E0, 0x0F60, 0x0760, 0x0B60, 0x0360, + 0x0D60, 0x0560, 0x1240, 0x0960, 0x0160, 0x0E60, 0x0660, 0x0A60, + 0x000F, 0x0250, 0x0038, 0x0260, 0x0050, 0x0C60, 0x0390, 0x00D8, + 0x0042, 0x0002, 0x0058, 0x01B0, 0x007C, 0x0029, 0x003C, 0x0098, + 0x005C, 0x0009, 0x001C, 0x006C, 0x002C, 0x004C, 0x0018, 0x000C, + 0x0074, 0x00E8, 0x0068, 0x0460, 0x0090, 0x0034, 0x00B0, 0x0710, + 0x0860, 0x0031, 0x0054, 0x0011, 0x0021, 0x0017, 0x0014, 0x00A8, + 0x0028, 0x0001, 0x0310, 0x0130, 0x003E, 0x0064, 0x001E, 0x002E, + 0x0024, 0x0510, 0x000E, 0x0036, 0x0016, 0x0044, 0x0030, 0x00C8, + 0x01D0, 0x00D0, 0x0110, 0x0048, 0x0610, 0x0150, 0x0060, 0x0088, + 0x0FA0, 0x0007, 0x0026, 0x0006, 0x003A, 0x001B, 0x001A, 0x002A, + 0x000A, 0x000B, 0x0210, 0x0004, 0x0013, 0x0032, 0x0003, 0x001D, + 0x0012, 0x0190, 0x000D, 0x0015, 0x0005, 0x0019, 0x0008, 0x0078, + 0x00F0, 0x0070, 0x0290, 0x0410, 0x0010, 0x07A0, 0x0BA0, 0x03A0, + 0x0240, 0x1C40, 0x0C40, 0x1440, 0x0440, 0x1840, 0x0840, 0x1040, + 0x0040, 0x1F80, 0x0F80, 0x1780, 0x0780, 0x1B80, 0x0B80, 0x1380, + 0x0380, 0x1D80, 0x0D80, 0x1580, 0x0580, 0x1980, 0x0980, 0x1180, + 0x0180, 0x1E80, 0x0E80, 0x1680, 0x0680, 0x1A80, 0x0A80, 0x1280, + 0x0280, 0x1C80, 0x0C80, 0x1480, 0x0480, 0x1880, 0x0880, 0x1080, + 0x0080, 0x1F00, 0x0F00, 0x1700, 0x0700, 0x1B00, 0x0B00, 0x1300, + 0x0DA0, 0x05A0, 0x09A0, 0x01A0, 0x0EA0, 0x06A0, 0x0AA0, 0x02A0, + 0x0CA0, 0x04A0, 0x08A0, 0x00A0, 0x0F20, 0x0720, 0x0B20, 0x0320, + 0x0D20, 0x0520, 0x0920, 0x0120, 0x0E20, 0x0620, 0x0A20, 0x0220, + 0x0C20, 0x0420, 0x0820, 0x0020, 0x0FC0, 0x07C0, 0x0BC0, 0x03C0, + 0x0DC0, 0x05C0, 0x09C0, 0x01C0, 0x0EC0, 0x06C0, 0x0AC0, 0x02C0, + 0x0CC0, 0x04C0, 0x08C0, 0x00C0, 0x0F40, 0x0740, 0x0B40, 0x0340, + 0x0300, 0x0D40, 0x1D00, 0x0D00, 0x1500, 0x0540, 0x0500, 0x1900, + 0x0900, 0x0940, 0x1100, 0x0100, 0x1E00, 0x0E00, 0x0140, 0x1600, + 0x0600, 0x1A00, 0x0E40, 0x0640, 0x0A40, 0x0A00, 0x1200, 0x0200, + 0x1C00, 0x0C00, 0x1400, 0x0400, 0x1800, 0x0800, 0x1000, 0x0000 +}; + +/* Local variables */ +static char copyright[] = "PKWARE Data Compression Library for Win32\r\n" + "Copyright 1989-1995 PKWARE Inc. All Rights Reserved\r\n" + "Patent No. 5,051,745\r\n" + "PKWARE Data Compression Library Reg. U.S. Pat. and Tm. Off.\r\n" + "Version 1.11\r\n"; + +/* Local functions */ +static void libmpq_pkzip_gen_decode_tabs(long count, unsigned char *bits, unsigned char *code, unsigned char *buf2) { + long i; + + for (i = count-1; i >= 0; i--) { /* EBX - count */ + unsigned long idx1 = code[i]; + unsigned long idx2 = 1 << bits[i]; + do { + buf2[idx1] = (unsigned char)i; + idx1 += idx2; + } while (idx1 < 0x100); + } +} + +static void libmpq_pkzip_gen_asc_tabs(pkzip_data_cmp *mpq_pkzip) { + unsigned short *code_asc = &pkzip_code_asc[0xFF]; + unsigned long acc, add; + unsigned short count; + + for (count = 0x00FF; code_asc >= pkzip_code_asc; code_asc--, count--) { + unsigned char *bits_asc = mpq_pkzip->bits_asc + count; + unsigned char bits_tmp = *bits_asc; + + if (bits_tmp <= 8) { + add = (1 << bits_tmp); + acc = *code_asc; + do { + mpq_pkzip->offs_2c34[acc] = (unsigned char)count; + acc += add; + } while (acc < 0x100); + } else { + if ((acc = (*code_asc & 0xFF)) != 0) { + mpq_pkzip->offs_2c34[acc] = 0xFF; + if (*code_asc & 0x3F) { + bits_tmp -= 4; + *bits_asc = bits_tmp; + add = (1 << bits_tmp); + acc = *code_asc >> 4; + do { + mpq_pkzip->offs_2d34[acc] = (unsigned char)count; + acc += add; + } while (acc < 0x100); + } else { + bits_tmp -= 6; + *bits_asc = bits_tmp; + add = (1 << bits_tmp); + acc = *code_asc >> 6; + do { + mpq_pkzip->offs_2e34[acc] = (unsigned char)count; + acc += add; + } while (acc < 0x80); + } + } else { + bits_tmp -= 8; + *bits_asc = bits_tmp; + add = (1 << bits_tmp); + acc = *code_asc >> 8; + do { + mpq_pkzip->offs_2eb4[acc] = (unsigned char)count; + acc += add; + } while (acc < 0x100); + } + } + } +} + +/* + * Skips given number of bits in bit buffer. Result is stored in mpq_pkzip->bit_buf + * If no data in input buffer, returns true + */ +static int libmpq_pkzip_skip_bits(pkzip_data_cmp *mpq_pkzip, unsigned long bits) { + /* If number of bits required is less than number of (bits in the buffer) ? */ + if (bits <= mpq_pkzip->extra_bits) { + mpq_pkzip->extra_bits -= bits; + mpq_pkzip->bit_buf >>= bits; + return 0; + } + + /* Load input buffer if necessary */ + mpq_pkzip->bit_buf >>= mpq_pkzip->extra_bits; + if (mpq_pkzip->in_pos == mpq_pkzip->in_bytes) { + mpq_pkzip->in_pos = sizeof(mpq_pkzip->in_buf); + if ((mpq_pkzip->in_bytes = mpq_pkzip->read_buf((char *)mpq_pkzip->in_buf, &mpq_pkzip->in_pos, mpq_pkzip->param)) == 0) { + return 1; + } + mpq_pkzip->in_pos = 0; + } + + /* Update bit buffer */ + mpq_pkzip->bit_buf |= (mpq_pkzip->in_buf[mpq_pkzip->in_pos++] << 8); + mpq_pkzip->bit_buf >>= (bits - mpq_pkzip->extra_bits); + mpq_pkzip->extra_bits = (mpq_pkzip->extra_bits - bits) + 8; + return 0; +} + +/* + * Decompress the imploded data using coded literals. + * Returns: 0x000 - 0x0FF : One byte from compressed file. + * 0x100 - 0x305 : Copy previous block (0x100 = 1 byte) + * 0x306 : Out of buffer (?) + */ +static unsigned long libmpq_pkzip_explode_lit(pkzip_data_cmp *mpq_pkzip) { + unsigned long bits; /* Number of bits to skip */ + unsigned long value; /* Position in buffers */ + + /* Test the current bit in byte buffer. If is not set, simply return the next byte. */ + if (mpq_pkzip->bit_buf & 1) { + + /* Skip current bit in the buffer. */ + if (libmpq_pkzip_skip_bits(mpq_pkzip, 1)) { + return 0x306; + } + + /* The next bits are position in buffers. */ + value = mpq_pkzip->pos2[(mpq_pkzip->bit_buf & 0xFF)]; + + /* Get number of bits to skip */ + if (libmpq_pkzip_skip_bits(mpq_pkzip, mpq_pkzip->slen_bits[value])) { + return 0x306; + } + if ((bits = mpq_pkzip->clen_bits[value]) != 0) { + unsigned long val2 = mpq_pkzip->bit_buf & ((1 << bits) - 1); + if (libmpq_pkzip_skip_bits(mpq_pkzip, bits)) { + if ((value + val2) != 0x10E) { + return 0x306; + } + } + value = mpq_pkzip->len_base[value] + val2; + } + return value + 0x100; /* Return number of bytes to repeat */ + } + + /* Skip one bit */ + if (libmpq_pkzip_skip_bits(mpq_pkzip, 1)) { + return 0x306; + } + + /* If the binary compression type, read 8 bits and return them as one byte. */ + if (mpq_pkzip->cmp_type == LIBMPQ_PKZIP_CMP_BINARY) { + value = mpq_pkzip->bit_buf & 0xFF; + if (libmpq_pkzip_skip_bits(mpq_pkzip, 8)) { + return 0x306; + } + return value; + } + + /* When ASCII compression ... */ + if (mpq_pkzip->bit_buf & 0xFF) { + value = mpq_pkzip->offs_2c34[mpq_pkzip->bit_buf & 0xFF]; + if (value == 0xFF) { + if (mpq_pkzip->bit_buf & 0x3F) { + if (libmpq_pkzip_skip_bits(mpq_pkzip, 4)) { + return 0x306; + } + value = mpq_pkzip->offs_2d34[mpq_pkzip->bit_buf & 0xFF]; + } else { + if (libmpq_pkzip_skip_bits(mpq_pkzip, 6)) { + return 0x306; + } + value = mpq_pkzip->offs_2e34[mpq_pkzip->bit_buf & 0x7F]; + } + } + } else { + if (libmpq_pkzip_skip_bits(mpq_pkzip, 8)) { + return 0x306; + } + value = mpq_pkzip->offs_2eb4[mpq_pkzip->bit_buf & 0xFF]; + } + return libmpq_pkzip_skip_bits(mpq_pkzip, mpq_pkzip->bits_asc[value]) ? 0x306 : value; +} + +/* + * Retrieves the number of bytes to move back. + */ +static unsigned long libmpq_pkzip_explode_dist(pkzip_data_cmp *mpq_pkzip, unsigned long length) { + unsigned long pos = mpq_pkzip->pos1[(mpq_pkzip->bit_buf & 0xFF)]; + unsigned long skip = mpq_pkzip->dist_bits[pos]; /* Number of bits to skip */ + + /* Skip the appropriate number of bits */ + if (libmpq_pkzip_skip_bits(mpq_pkzip, skip) == 1) { + return 0; + } + if (length == 2) { + pos = (pos << 2) | (mpq_pkzip->bit_buf & 0x03); + if (libmpq_pkzip_skip_bits(mpq_pkzip, 2) == 1) { + return 0; + } + } else { + pos = (pos << mpq_pkzip->dsize_bits) | (mpq_pkzip->bit_buf & mpq_pkzip->dsize_mask); + + /* Skip the bits */ + if (libmpq_pkzip_skip_bits(mpq_pkzip, mpq_pkzip->dsize_bits) == 1) { + return 0; + } + } + return pos + 1; +} + +static unsigned long libmpq_pkzip_expand(pkzip_data_cmp *mpq_pkzip) { + unsigned int copy_bytes; /* Number of bytes to copy */ + unsigned long one_byte; /* One byte from compressed file */ + unsigned long result; + + mpq_pkzip->out_pos = 0x1000; /* Initialize output buffer position */ + + /* If end of data or error, terminate decompress */ + while ((result = one_byte = libmpq_pkzip_explode_lit(mpq_pkzip)) < 0x305) { + + /* If one byte is greater than 0x100, means "Repeat n - 0xFE bytes" */ + if (one_byte >= 0x100) { + unsigned char *source; /* ECX */ + unsigned char *target; /* EDX */ + unsigned long copy_length = one_byte - 0xFE; + unsigned long move_back; + + /* Get length of data to copy */ + if ((move_back = libmpq_pkzip_explode_dist(mpq_pkzip, copy_length)) == 0) { + result = 0x306; + break; + } + + /* Target and source pointer */ + target = &mpq_pkzip->out_buf[mpq_pkzip->out_pos]; + source = target - move_back; + mpq_pkzip->out_pos += copy_length; + while (copy_length-- > 0) { + *target++ = *source++; + } + } else { + mpq_pkzip->out_buf[mpq_pkzip->out_pos++] = (unsigned char)one_byte; + } + + /* + * If number of extracted bytes has reached 1/2 of output buffer, + * flush output buffer. + */ + if (mpq_pkzip->out_pos >= 0x2000) { + + /* Copy decompressed data into user buffer. */ + copy_bytes = 0x1000; + mpq_pkzip->write_buf((char *)&mpq_pkzip->out_buf[0x1000], ©_bytes, mpq_pkzip->param); + + /* If there are some data left, keep them alive */ + memcpy(mpq_pkzip->out_buf, &mpq_pkzip->out_buf[0x1000], mpq_pkzip->out_pos - 0x1000); + mpq_pkzip->out_pos -= 0x1000; + } + } + copy_bytes = mpq_pkzip->out_pos - 0x1000; + mpq_pkzip->write_buf((char *)&mpq_pkzip->out_buf[0x1000], ©_bytes, mpq_pkzip->param); + return result; +} + +/* + * Main exploding function. + */ +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) { + + pkzip_data_cmp *mpq_pkzip = (pkzip_data_cmp *)work_buf; + + /* Set the whole work buffer to zeros */ + memset(mpq_pkzip, 0, sizeof(pkzip_data_cmp)); + + /* Initialize work struct and load compressed data */ + mpq_pkzip->read_buf = read_buf; + mpq_pkzip->write_buf = write_buf; + mpq_pkzip->param = param; + mpq_pkzip->in_pos = sizeof(mpq_pkzip->in_buf); + mpq_pkzip->in_bytes = mpq_pkzip->read_buf((char *)mpq_pkzip->in_buf, &mpq_pkzip->in_pos, mpq_pkzip->param); + if (mpq_pkzip->in_bytes <= 4) { + return LIBMPQ_PKZIP_CMP_BAD_DATA; + } + mpq_pkzip->cmp_type = mpq_pkzip->in_buf[0]; /* Get the compression type */ + mpq_pkzip->dsize_bits = mpq_pkzip->in_buf[1]; /* Get the dictionary size */ + mpq_pkzip->bit_buf = mpq_pkzip->in_buf[2]; /* Initialize 16-bit bit buffer */ + mpq_pkzip->extra_bits = 0; /* Extra (over 8) bits */ + mpq_pkzip->in_pos = 3; /* Position in input buffer */ + + /* Test for the valid dictionary size */ + if (4 > mpq_pkzip->dsize_bits || mpq_pkzip->dsize_bits > 6) { + return LIBMPQ_PKZIP_CMP_INV_DICTSIZE; + } + mpq_pkzip->dsize_mask = 0xFFFF >> (0x10 - mpq_pkzip->dsize_bits); /* Shifted by 'sar' instruction */ + if (mpq_pkzip->cmp_type != LIBMPQ_PKZIP_CMP_BINARY) { + if (mpq_pkzip->cmp_type != LIBMPQ_PKZIP_CMP_ASCII) { + return LIBMPQ_PKZIP_CMP_INV_MODE; + } + memcpy(mpq_pkzip->bits_asc, pkzip_bits_asc, sizeof(mpq_pkzip->bits_asc)); + libmpq_pkzip_gen_asc_tabs(mpq_pkzip); + } + memcpy(mpq_pkzip->slen_bits, pkzip_slen_bits, sizeof(mpq_pkzip->slen_bits)); + libmpq_pkzip_gen_decode_tabs(0x10, mpq_pkzip->slen_bits, pkzip_len_code, mpq_pkzip->pos2); + memcpy(mpq_pkzip->clen_bits, pkzip_clen_bits, sizeof(mpq_pkzip->clen_bits)); + memcpy(mpq_pkzip->len_base, pkzip_len_base, sizeof(mpq_pkzip->len_base)); + memcpy(mpq_pkzip->dist_bits, pkzip_dist_bits, sizeof(mpq_pkzip->dist_bits)); + libmpq_pkzip_gen_decode_tabs(0x40, mpq_pkzip->dist_bits, pkzip_dist_code, mpq_pkzip->pos1); + if (libmpq_pkzip_expand(mpq_pkzip) != 0x306) { + return LIBMPQ_PKZIP_CMP_NO_ERROR; + } + return LIBMPQ_PKZIP_CMP_ABORT; +} -- cgit v1.2.3