diff options
Diffstat (limited to 'other-licenses/7zstub/src/DOC')
| -rw-r--r-- | other-licenses/7zstub/src/DOC/7zC.txt | 235 | ||||
| -rw-r--r-- | other-licenses/7zstub/src/DOC/copying.txt | 504 | ||||
| -rw-r--r-- | other-licenses/7zstub/src/DOC/lzma.txt | 630 | ||||
| -rw-r--r-- | other-licenses/7zstub/src/DOC/readme.txt | 226 |
4 files changed, 1595 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/DOC/7zC.txt b/other-licenses/7zstub/src/DOC/7zC.txt new file mode 100644 index 000000000..2b67f9dcb --- /dev/null +++ b/other-licenses/7zstub/src/DOC/7zC.txt @@ -0,0 +1,235 @@ +7z ANSI-C Decoder 4.23
+----------------------
+
+7z ANSI-C Decoder 4.23 Copyright (C) 1999-2005 Igor Pavlov
+
+7z ANSI-C provides 7z/LZMA decoding.
+7z ANSI-C version is simplified version ported from C++ code.
+
+LZMA is default and general compression method of 7z format
+in 7-Zip compression program (www.7-zip.org). LZMA provides high
+compression ratio and very fast decompression.
+
+
+LICENSE
+-------
+
+Read lzma.txt for information about license.
+
+
+Files
+---------------------
+
+7zAlloc.* - Allocate and Free
+7zBuffer.* - Buffer structure
+7zCrc.* - CRC32 code
+7zDecode.* - Low level memory->memory decoding
+7zExtract.* - High level stream->memory decoding
+7zHeader.* - .7z format constants
+7zIn.* - .7z archive opening
+7zItem.* - .7z structures
+7zMain.c - Test application
+7zMethodID.* - MethodID structure
+7zTypes.h - Base types and constants
+
+
+How To Use
+----------
+
+You must download 7-Zip program from www.7-zip.org.
+
+You can create .7z archive with 7z.exe or 7za.exe:
+
+ 7za.exe a archive.7z *.htm -r -mx -m0fb=255 -mf=off
+
+If you have big number of files in archive, and you need fast extracting,
+you can use partly-solid archives:
+
+ 7za.exe a archive.7z *.htm -ms=512K -r -mx -m0fb=255 -m0d=512K -mf=off
+
+In that example 7-Zip will use 512KB solid blocks. So it needs to decompress only
+512KB for extracting one file from such archive.
+
+
+Limitations of current version of 7z ANSI-C Decoder
+---------------------------------------------------
+
+ - It reads only "FileName", "Size", and "CRC" information for each file in archive.
+ - It supports only LZMA and Copy (no compression) methods.
+ - It converts original UTF-16 Unicode file names to UTF-8 Unicode file names.
+
+These limitations will be fixed in future versions.
+
+
+Using 7z ANSI-C Decoder Test application:
+-----------------------------------------
+
+Usage: 7zDec <command> <archive_name>
+
+<Command>:
+ e: Extract files from archive
+ l: List contents of archive
+ t: Test integrity of archive
+
+Example:
+
+ 7zDec l archive.7z
+
+lists contents of archive.7z
+
+ 7zDec e archive.7z
+
+extracts files from archive.7z to current folder.
+
+
+How to use .7z Decoder
+----------------------
+
+.7z Decoder can be compiled in one of two modes:
+
+1) Default mode. In that mode 7z Decoder will read full compressed
+ block to RAM before decompressing.
+
+2) Mode with defined _LZMA_IN_CB. In that mode 7z Decoder can read
+ compressed block by parts. And you can specify desired buffer size.
+ So memory requirements can be reduced. But decompressing speed will
+ be 5-10% lower and code size is slightly larger.
+
+
+Memory allocation
+~~~~~~~~~~~~~~~~~
+
+7z Decoder uses two memory pools:
+1) Temporary pool
+2) Main pool
+Such scheme can allow you to avoid fragmentation of allocated blocks.
+
+Steps for using 7z decoder
+--------------------------
+
+Use code at 7zMain.c as example.
+
+1) Declare variables:
+ inStream /* implements ISzInStream interface */
+ CArchiveDatabaseEx db; /* 7z archive database structure */
+ ISzAlloc allocImp; /* memory functions for main pool */
+ ISzAlloc allocTempImp; /* memory functions for temporary pool */
+
+2) call InitCrcTable(); function to initialize CRC structures.
+
+3) call SzArDbExInit(&db); function to initialize db structures.
+
+4) call SzArchiveOpen(inStream, &db, &allocMain, &allocTemp) to open archive
+
+This function opens archive "inStream" and reads headers to "db".
+All items in "db" will be allocated with "allocMain" functions.
+SzArchiveOpen function allocates and frees temporary structures by "allocTemp" functions.
+
+5) List items or Extract items
+
+ Listing code:
+ ~~~~~~~~~~~~~
+ {
+ UInt32 i;
+ for (i = 0; i < db.Database.NumFiles; i++)
+ {
+ CFileItem *f = db.Database.Files + i;
+ printf("%10d %s\n", (int)f->Size, f->Name);
+ }
+ }
+
+ Extracting code:
+ ~~~~~~~~~~~~~~~~
+
+ SZ_RESULT SzExtract(
+ ISzInStream *inStream,
+ CArchiveDatabaseEx *db,
+ UInt32 fileIndex, /* index of file */
+ UInt32 *blockIndex, /* index of solid block */
+ Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */
+ size_t *outBufferSize, /* buffer size for output buffer */
+ size_t *offset, /* offset of stream for required file in *outBuffer */
+ size_t *outSizeProcessed, /* size of file in *outBuffer */
+ ISzAlloc *allocMain,
+ ISzAlloc *allocTemp);
+
+ If you need to decompress more than one file, you can send these values from previous call:
+ blockIndex,
+ outBuffer,
+ outBufferSize,
+ You can consider "outBuffer" as cache of solid block. If your archive is solid,
+ it will increase decompression speed.
+
+ After decompressing you must free "outBuffer":
+ allocImp.Free(outBuffer);
+
+6) call SzArDbExFree(&db, allocImp.Free) to free allocated items in "db".
+
+
+
+
+Memory requirements for .7z decoding
+------------------------------------
+
+Memory usage for Archive opening:
+ - Temporary pool:
+ - Memory for compressed .7z headers (if _LZMA_IN_CB is not defined)
+ - Memory for uncompressed .7z headers
+ - some other temporary blocks
+ - Main pool:
+ - Memory for database:
+ Estimated size of one file structures in solid archive:
+ - Size (4 or 8 Bytes)
+ - CRC32 (4 bytes)
+ - Some file information (4 bytes)
+ - File Name (variable length) + pointer + allocation structures
+
+Memory usage for archive Decompressing:
+ - Temporary pool:
+ - Memory for compressed solid block (if _LZMA_IN_CB is not defined)
+ - Memory for LZMA decompressing structures
+ - Main pool:
+ - Memory for decompressed solid block
+
+
+If _LZMA_IN_CB is defined, 7z Decoder will not allocate memory for
+compressed blocks. Instead of this, you must allocate buffer with desired
+size before calling 7z Decoder. Use 7zMain.c as example.
+
+
+
+EXIT codes
+-----------
+
+7z Decoder functions can return one of the following codes:
+
+#define SZ_OK (0)
+#define SZE_DATA_ERROR (1)
+#define SZE_OUTOFMEMORY (2)
+#define SZE_CRC_ERROR (3)
+
+#define SZE_NOTIMPL (4)
+#define SZE_FAIL (5)
+
+#define SZE_ARCHIVE_ERROR (6)
+
+
+
+LZMA Defines
+------------
+
+_LZMA_IN_CB - Use special callback mode for input stream to reduce memory requirements
+
+_SZ_FILE_SIZE_64 - define it if you need support for files larger than 4 GB
+_SZ_NO_INT_64 - define it if your compiler doesn't support long long int
+
+_LZMA_PROB32 - it can increase LZMA decompressing speed on some 32-bit CPUs.
+
+_SZ_ONE_DIRECTORY - define it if you want to locate all source files to one directory
+_SZ_ALLOC_DEBUG - define it if you want to debug alloc/free operations to stderr.
+
+
+---
+
+http://www.7-zip.org
+http://www.7-zip.org/support.html
diff --git a/other-licenses/7zstub/src/DOC/copying.txt b/other-licenses/7zstub/src/DOC/copying.txt new file mode 100644 index 000000000..f3926a615 --- /dev/null +++ b/other-licenses/7zstub/src/DOC/copying.txt @@ -0,0 +1,504 @@ + GNU LESSER GENERAL PUBLIC LICENSE
+ Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ Everyone is permitted to copy and distribute verbatim copies
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+
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+ 13. The Free Software Foundation may publish revised and/or new
+versions of the Lesser General Public License from time to time.
+Such new versions will be similar in spirit to the present version,
+but may differ in detail to address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Library
+specifies a version number of this License which applies to it and
+"any later version", you have the option of following the terms and
+conditions either of that version or of any later version published by
+the Free Software Foundation. If the Library does not specify a
+license version number, you may choose any version ever published by
+the Free Software Foundation.
+
+ 14. If you wish to incorporate parts of the Library into other free
+programs whose distribution conditions are incompatible with these,
+write to the author to ask for permission. For software which is
+copyrighted by the Free Software Foundation, write to the Free
+Software Foundation; we sometimes make exceptions for this. Our
+decision will be guided by the two goals of preserving the free status
+of all derivatives of our free software and of promoting the sharing
+and reuse of software generally.
+
+ NO WARRANTY
+
+ 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
+WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
+EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
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+LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
+THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+ 16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
+WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
+AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
+FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
+LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Libraries
+
+ If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change. You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+ To apply these terms, attach the following notices to the library. It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the library's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the
+ library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+ <signature of Ty Coon>, 1 April 1990
+ Ty Coon, President of Vice
+
+That's all there is to it!
+
+
diff --git a/other-licenses/7zstub/src/DOC/lzma.txt b/other-licenses/7zstub/src/DOC/lzma.txt new file mode 100644 index 000000000..fc7fae1bc --- /dev/null +++ b/other-licenses/7zstub/src/DOC/lzma.txt @@ -0,0 +1,630 @@ +LZMA SDK 4.40
+-------------
+
+LZMA SDK Copyright (C) 1999-2006 Igor Pavlov
+
+LZMA SDK provides the documentation, samples, header files, libraries,
+and tools you need to develop applications that use LZMA compression.
+
+LZMA is default and general compression method of 7z format
+in 7-Zip compression program (www.7-zip.org). LZMA provides high
+compression ratio and very fast decompression.
+
+LZMA is an improved version of famous LZ77 compression algorithm.
+It was improved in way of maximum increasing of compression ratio,
+keeping high decompression speed and low memory requirements for
+decompressing.
+
+
+
+LICENSE
+-------
+
+LZMA SDK is available under any of the following licenses:
+
+1) GNU Lesser General Public License (GNU LGPL)
+2) Common Public License (CPL)
+3) Simplified license for unmodified code (read SPECIAL EXCEPTION)
+4) Proprietary license
+
+It means that you can select one of these four options and follow rules of that license.
+
+
+1,2) GNU LGPL and CPL licenses are pretty similar and both these
+licenses are classified as
+ - "Free software licenses" at http://www.gnu.org/
+ - "OSI-approved" at http://www.opensource.org/
+
+
+3) SPECIAL EXCEPTION
+
+Igor Pavlov, as the author of this code, expressly permits you
+to statically or dynamically link your code (or bind by name)
+to the files from LZMA SDK without subjecting your linked
+code to the terms of the CPL or GNU LGPL.
+Any modifications or additions to files from LZMA SDK, however,
+are subject to the GNU LGPL or CPL terms.
+
+SPECIAL EXCEPTION allows you to use LZMA SDK in applications with closed code,
+while you keep LZMA SDK code unmodified.
+
+
+SPECIAL EXCEPTION #2: Igor Pavlov, as the author of this code, expressly permits
+you to use this code under the same terms and conditions contained in the License
+Agreement you have for any previous version of LZMA SDK developed by Igor Pavlov.
+
+SPECIAL EXCEPTION #2 allows owners of proprietary licenses to use latest version
+of LZMA SDK as update for previous versions.
+
+
+SPECIAL EXCEPTION #3: Igor Pavlov, as the author of this code, expressly permits
+you to use code of the following files:
+BranchTypes.h, LzmaTypes.h, LzmaTest.c, LzmaStateTest.c, LzmaAlone.cpp,
+LzmaAlone.cs, LzmaAlone.java
+as public domain code.
+
+
+4) Proprietary license
+
+LZMA SDK also can be available under a proprietary license which
+can include:
+
+1) Right to modify code without subjecting modified code to the
+terms of the CPL or GNU LGPL
+2) Technical support for code
+
+To request such proprietary license or any additional consultations,
+send email message from that page:
+http://www.7-zip.org/support.html
+
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+You should have received a copy of the Common Public License
+along with this library.
+
+
+LZMA SDK Contents
+-----------------
+
+LZMA SDK includes:
+
+ - C++ source code of LZMA compressing and decompressing
+ - ANSI-C compatible source code for LZMA decompressing
+ - C# source code for LZMA compressing and decompressing
+ - Java source code for LZMA compressing and decompressing
+ - Compiled file->file LZMA compressing/decompressing program for Windows system
+
+ANSI-C LZMA decompression code was ported from original C++ sources to C.
+Also it was simplified and optimized for code size.
+But it is fully compatible with LZMA from 7-Zip.
+
+
+UNIX/Linux version
+------------------
+To compile C++ version of file->file LZMA, go to directory
+C/7zip/Compress/LZMA_Alone
+and type "make" or "make clean all" to recompile all.
+
+In some UNIX/Linux versions you must compile LZMA with static libraries.
+To compile with static libraries, change string in makefile
+LIB = -lm
+to string
+LIB = -lm -static
+
+
+Files
+---------------------
+C - C / CPP source code
+CS - C# source code
+Java - Java source code
+lzma.txt - LZMA SDK description (this file)
+7zFormat.txt - 7z Format description
+7zC.txt - 7z ANSI-C Decoder description (this file)
+methods.txt - Compression method IDs for .7z
+LGPL.txt - GNU Lesser General Public License
+CPL.html - Common Public License
+lzma.exe - Compiled file->file LZMA encoder/decoder for Windows
+history.txt - history of the LZMA SDK
+
+
+Source code structure
+---------------------
+
+C - C / CPP files
+ Common - common files for C++ projects
+ Windows - common files for Windows related code
+ 7zip - files related to 7-Zip Project
+ Common - common files for 7-Zip
+ Compress - files related to compression/decompression
+ LZ - files related to LZ (Lempel-Ziv) compression algorithm
+ BinTree - Binary Tree Match Finder for LZ algorithm
+ HashChain - Hash Chain Match Finder for LZ algorithm
+ Patricia - Patricia Match Finder for LZ algorithm
+ RangeCoder - Range Coder (special code of compression/decompression)
+ LZMA - LZMA compression/decompression on C++
+ LZMA_Alone - file->file LZMA compression/decompression
+ LZMA_C - ANSI-C compatible LZMA decompressor
+ LzmaDecode.h - interface for LZMA decoding on ANSI-C
+ LzmaDecode.c - LZMA decoding on ANSI-C (new fastest version)
+ LzmaDecodeSize.c - LZMA decoding on ANSI-C (old size-optimized version)
+ LzmaTest.c - test application that decodes LZMA encoded file
+ LzmaTypes.h - basic types for LZMA Decoder
+ LzmaStateDecode.h - interface for LZMA decoding (State version)
+ LzmaStateDecode.c - LZMA decoding on ANSI-C (State version)
+ LzmaStateTest.c - test application (State version)
+ Branch - Filters for x86, IA-64, ARM, ARM-Thumb, PowerPC and SPARC code
+ Archive - files related to archiving
+ 7z_C - 7z ANSI-C Decoder
+
+CS - C# files
+ 7zip
+ Common - some common files for 7-Zip
+ Compress - files related to compression/decompression
+ LZ - files related to LZ (Lempel-Ziv) compression algorithm
+ LZMA - LZMA compression/decompression
+ LzmaAlone - file->file LZMA compression/decompression
+ RangeCoder - Range Coder (special code of compression/decompression)
+
+Java - Java files
+ SevenZip
+ Compression - files related to compression/decompression
+ LZ - files related to LZ (Lempel-Ziv) compression algorithm
+ LZMA - LZMA compression/decompression
+ RangeCoder - Range Coder (special code of compression/decompression)
+
+C/C++ source code of LZMA SDK is part of 7-Zip project.
+
+You can find ANSI-C LZMA decompressing code at folder
+ C/7zip/Compress/LZMA_C
+7-Zip doesn't use that ANSI-C LZMA code and that code was developed
+specially for this SDK. And files from LZMA_C do not need files from
+other directories of SDK for compiling.
+
+7-Zip source code can be downloaded from 7-Zip's SourceForge page:
+
+ http://sourceforge.net/projects/sevenzip/
+
+
+LZMA features
+-------------
+ - Variable dictionary size (up to 1 GB)
+ - Estimated compressing speed: about 1 MB/s on 1 GHz CPU
+ - Estimated decompressing speed:
+ - 8-12 MB/s on 1 GHz Intel Pentium 3 or AMD Athlon
+ - 500-1000 KB/s on 100 MHz ARM, MIPS, PowerPC or other simple RISC
+ - Small memory requirements for decompressing (8-32 KB + DictionarySize)
+ - Small code size for decompressing: 2-8 KB (depending from
+ speed optimizations)
+
+LZMA decoder uses only integer operations and can be
+implemented in any modern 32-bit CPU (or on 16-bit CPU with some conditions).
+
+Some critical operations that affect to speed of LZMA decompression:
+ 1) 32*16 bit integer multiply
+ 2) Misspredicted branches (penalty mostly depends from pipeline length)
+ 3) 32-bit shift and arithmetic operations
+
+Speed of LZMA decompressing mostly depends from CPU speed.
+Memory speed has no big meaning. But if your CPU has small data cache,
+overall weight of memory speed will slightly increase.
+
+
+How To Use
+----------
+
+Using LZMA encoder/decoder executable
+--------------------------------------
+
+Usage: LZMA <e|d> inputFile outputFile [<switches>...]
+
+ e: encode file
+
+ d: decode file
+
+ b: Benchmark. There are two tests: compressing and decompressing
+ with LZMA method. Benchmark shows rating in MIPS (million
+ instructions per second). Rating value is calculated from
+ measured speed and it is normalized with AMD Athlon 64 X2 CPU
+ results. Also Benchmark checks possible hardware errors (RAM
+ errors in most cases). Benchmark uses these settings:
+ (-a1, -d21, -fb32, -mfbt4). You can change only -d. Also you
+ can change number of iterations. Example for 30 iterations:
+ LZMA b 30
+ Default number of iterations is 10.
+
+<Switches>
+
+
+ -a{N}: set compression mode 0 = fast, 1 = normal
+ default: 1 (normal)
+
+ d{N}: Sets Dictionary size - [0, 30], default: 23 (8MB)
+ The maximum value for dictionary size is 1 GB = 2^30 bytes.
+ Dictionary size is calculated as DictionarySize = 2^N bytes.
+ For decompressing file compressed by LZMA method with dictionary
+ size D = 2^N you need about D bytes of memory (RAM).
+
+ -fb{N}: set number of fast bytes - [5, 273], default: 128
+ Usually big number gives a little bit better compression ratio
+ and slower compression process.
+
+ -lc{N}: set number of literal context bits - [0, 8], default: 3
+ Sometimes lc=4 gives gain for big files.
+
+ -lp{N}: set number of literal pos bits - [0, 4], default: 0
+ lp switch is intended for periodical data when period is
+ equal 2^N. For example, for 32-bit (4 bytes)
+ periodical data you can use lp=2. Often it's better to set lc0,
+ if you change lp switch.
+
+ -pb{N}: set number of pos bits - [0, 4], default: 2
+ pb switch is intended for periodical data
+ when period is equal 2^N.
+
+ -mf{MF_ID}: set Match Finder. Default: bt4.
+ Algorithms from hc* group doesn't provide good compression
+ ratio, but they often works pretty fast in combination with
+ fast mode (-a0).
+
+ Memory requirements depend from dictionary size
+ (parameter "d" in table below).
+
+ MF_ID Memory Description
+
+ bt2 d * 9.5 + 4MB Binary Tree with 2 bytes hashing.
+ bt3 d * 11.5 + 4MB Binary Tree with 3 bytes hashing.
+ bt4 d * 11.5 + 4MB Binary Tree with 4 bytes hashing.
+ hc4 d * 7.5 + 4MB Hash Chain with 4 bytes hashing.
+
+ -eos: write End Of Stream marker. By default LZMA doesn't write
+ eos marker, since LZMA decoder knows uncompressed size
+ stored in .lzma file header.
+
+ -si: Read data from stdin (it will write End Of Stream marker).
+ -so: Write data to stdout
+
+
+Examples:
+
+1) LZMA e file.bin file.lzma -d16 -lc0
+
+compresses file.bin to file.lzma with 64 KB dictionary (2^16=64K)
+and 0 literal context bits. -lc0 allows to reduce memory requirements
+for decompression.
+
+
+2) LZMA e file.bin file.lzma -lc0 -lp2
+
+compresses file.bin to file.lzma with settings suitable
+for 32-bit periodical data (for example, ARM or MIPS code).
+
+3) LZMA d file.lzma file.bin
+
+decompresses file.lzma to file.bin.
+
+
+Compression ratio hints
+-----------------------
+
+Recommendations
+---------------
+
+To increase compression ratio for LZMA compressing it's desirable
+to have aligned data (if it's possible) and also it's desirable to locate
+data in such order, where code is grouped in one place and data is
+grouped in other place (it's better than such mixing: code, data, code,
+data, ...).
+
+
+Using Filters
+-------------
+You can increase compression ratio for some data types, using
+special filters before compressing. For example, it's possible to
+increase compression ratio on 5-10% for code for those CPU ISAs:
+x86, IA-64, ARM, ARM-Thumb, PowerPC, SPARC.
+
+You can find C/C++ source code of such filters in folder "7zip/Compress/Branch"
+
+You can check compression ratio gain of these filters with such
+7-Zip commands (example for ARM code):
+No filter:
+ 7z a a1.7z a.bin -m0=lzma
+
+With filter for little-endian ARM code:
+ 7z a a2.7z a.bin -m0=bc_arm -m1=lzma
+
+With filter for big-endian ARM code (using additional Swap4 filter):
+ 7z a a3.7z a.bin -m0=swap4 -m1=bc_arm -m2=lzma
+
+It works in such manner:
+Compressing = Filter_encoding + LZMA_encoding
+Decompressing = LZMA_decoding + Filter_decoding
+
+Compressing and decompressing speed of such filters is very high,
+so it will not increase decompressing time too much.
+Moreover, it reduces decompression time for LZMA_decoding,
+since compression ratio with filtering is higher.
+
+These filters convert CALL (calling procedure) instructions
+from relative offsets to absolute addresses, so such data becomes more
+compressible. Source code of these CALL filters is pretty simple
+(about 20 lines of C++), so you can convert it from C++ version yourself.
+
+For some ISAs (for example, for MIPS) it's impossible to get gain from such filter.
+
+
+LZMA compressed file format
+---------------------------
+Offset Size Description
+ 0 1 Special LZMA properties for compressed data
+ 1 4 Dictionary size (little endian)
+ 5 8 Uncompressed size (little endian). -1 means unknown size
+ 13 Compressed data
+
+
+ANSI-C LZMA Decoder
+~~~~~~~~~~~~~~~~~~~
+
+To compile ANSI-C LZMA Decoder you can use one of the following files sets:
+1) LzmaDecode.h + LzmaDecode.c + LzmaTest.c (fastest version)
+2) LzmaDecode.h + LzmaDecodeSize.c + LzmaTest.c (old size-optimized version)
+3) LzmaStateDecode.h + LzmaStateDecode.c + LzmaStateTest.c (zlib-like interface)
+
+
+Memory requirements for LZMA decoding
+-------------------------------------
+
+LZMA decoder doesn't allocate memory itself, so you must
+allocate memory and send it to LZMA.
+
+Stack usage of LZMA decoding function for local variables is not
+larger than 200 bytes.
+
+How To decompress data
+----------------------
+
+LZMA Decoder (ANSI-C version) now supports 5 interfaces:
+1) Single-call Decompressing
+2) Single-call Decompressing with input stream callback
+3) Multi-call Decompressing with output buffer
+4) Multi-call Decompressing with input callback and output buffer
+5) Multi-call State Decompressing (zlib-like interface)
+
+Variant-5 is similar to Variant-4, but Variant-5 doesn't use callback functions.
+
+Decompressing steps
+-------------------
+
+1) read LZMA properties (5 bytes):
+ unsigned char properties[LZMA_PROPERTIES_SIZE];
+
+2) read uncompressed size (8 bytes, little-endian)
+
+3) Decode properties:
+
+ CLzmaDecoderState state; /* it's 24-140 bytes structure, if int is 32-bit */
+
+ if (LzmaDecodeProperties(&state.Properties, properties, LZMA_PROPERTIES_SIZE) != LZMA_RESULT_OK)
+ return PrintError(rs, "Incorrect stream properties");
+
+4) Allocate memory block for internal Structures:
+
+ state.Probs = (CProb *)malloc(LzmaGetNumProbs(&state.Properties) * sizeof(CProb));
+ if (state.Probs == 0)
+ return PrintError(rs, kCantAllocateMessage);
+
+ LZMA decoder uses array of CProb variables as internal structure.
+ By default, CProb is unsigned_short. But you can define _LZMA_PROB32 to make
+ it unsigned_int. It can increase speed on some 32-bit CPUs, but memory
+ usage will be doubled in that case.
+
+
+5) Main Decompressing
+
+You must use one of the following interfaces:
+
+5.1 Single-call Decompressing
+-----------------------------
+When to use: RAM->RAM decompressing
+Compile files: LzmaDecode.h, LzmaDecode.c
+Compile defines: no defines
+Memory Requirements:
+ - Input buffer: compressed size
+ - Output buffer: uncompressed size
+ - LZMA Internal Structures (~16 KB for default settings)
+
+Interface:
+ int res = LzmaDecode(&state,
+ inStream, compressedSize, &inProcessed,
+ outStream, outSize, &outProcessed);
+
+
+5.2 Single-call Decompressing with input stream callback
+--------------------------------------------------------
+When to use: File->RAM or Flash->RAM decompressing.
+Compile files: LzmaDecode.h, LzmaDecode.c
+Compile defines: _LZMA_IN_CB
+Memory Requirements:
+ - Buffer for input stream: any size (for example, 16 KB)
+ - Output buffer: uncompressed size
+ - LZMA Internal Structures (~16 KB for default settings)
+
+Interface:
+ typedef struct _CBuffer
+ {
+ ILzmaInCallback InCallback;
+ FILE *File;
+ unsigned char Buffer[kInBufferSize];
+ } CBuffer;
+
+ int LzmaReadCompressed(void *object, const unsigned char **buffer, SizeT *size)
+ {
+ CBuffer *bo = (CBuffer *)object;
+ *buffer = bo->Buffer;
+ *size = MyReadFile(bo->File, bo->Buffer, kInBufferSize);
+ return LZMA_RESULT_OK;
+ }
+
+ CBuffer g_InBuffer;
+
+ g_InBuffer.File = inFile;
+ g_InBuffer.InCallback.Read = LzmaReadCompressed;
+ int res = LzmaDecode(&state,
+ &g_InBuffer.InCallback,
+ outStream, outSize, &outProcessed);
+
+
+5.3 Multi-call decompressing with output buffer
+-----------------------------------------------
+When to use: RAM->File decompressing
+Compile files: LzmaDecode.h, LzmaDecode.c
+Compile defines: _LZMA_OUT_READ
+Memory Requirements:
+ - Input buffer: compressed size
+ - Buffer for output stream: any size (for example, 16 KB)
+ - LZMA Internal Structures (~16 KB for default settings)
+ - LZMA dictionary (dictionary size is encoded in stream properties)
+
+Interface:
+
+ state.Dictionary = (unsigned char *)malloc(state.Properties.DictionarySize);
+
+ LzmaDecoderInit(&state);
+ do
+ {
+ LzmaDecode(&state,
+ inBuffer, inAvail, &inProcessed,
+ g_OutBuffer, outAvail, &outProcessed);
+ inAvail -= inProcessed;
+ inBuffer += inProcessed;
+ }
+ while you need more bytes
+
+ see LzmaTest.c for more details.
+
+
+5.4 Multi-call decompressing with input callback and output buffer
+------------------------------------------------------------------
+When to use: File->File decompressing
+Compile files: LzmaDecode.h, LzmaDecode.c
+Compile defines: _LZMA_IN_CB, _LZMA_OUT_READ
+Memory Requirements:
+ - Buffer for input stream: any size (for example, 16 KB)
+ - Buffer for output stream: any size (for example, 16 KB)
+ - LZMA Internal Structures (~16 KB for default settings)
+ - LZMA dictionary (dictionary size is encoded in stream properties)
+
+Interface:
+
+ state.Dictionary = (unsigned char *)malloc(state.Properties.DictionarySize);
+
+ LzmaDecoderInit(&state);
+ do
+ {
+ LzmaDecode(&state,
+ &bo.InCallback,
+ g_OutBuffer, outAvail, &outProcessed);
+ }
+ while you need more bytes
+
+ see LzmaTest.c for more details:
+
+
+5.5 Multi-call State Decompressing (zlib-like interface)
+------------------------------------------------------------------
+When to use: file->file decompressing
+Compile files: LzmaStateDecode.h, LzmaStateDecode.c
+Compile defines:
+Memory Requirements:
+ - Buffer for input stream: any size (for example, 16 KB)
+ - Buffer for output stream: any size (for example, 16 KB)
+ - LZMA Internal Structures (~16 KB for default settings)
+ - LZMA dictionary (dictionary size is encoded in stream properties)
+
+Interface:
+
+ state.Dictionary = (unsigned char *)malloc(state.Properties.DictionarySize);
+
+
+ LzmaDecoderInit(&state);
+ do
+ {
+ res = LzmaDecode(&state,
+ inBuffer, inAvail, &inProcessed,
+ g_OutBuffer, outAvail, &outProcessed,
+ finishDecoding);
+ inAvail -= inProcessed;
+ inBuffer += inProcessed;
+ }
+ while you need more bytes
+
+ see LzmaStateTest.c for more details:
+
+
+6) Free all allocated blocks
+
+
+Note
+----
+LzmaDecodeSize.c is size-optimized version of LzmaDecode.c.
+But compiled code of LzmaDecodeSize.c can be larger than
+compiled code of LzmaDecode.c. So it's better to use
+LzmaDecode.c in most cases.
+
+
+EXIT codes
+-----------
+
+LZMA decoder can return one of the following codes:
+
+#define LZMA_RESULT_OK 0
+#define LZMA_RESULT_DATA_ERROR 1
+
+If you use callback function for input data and you return some
+error code, LZMA Decoder also returns that code.
+
+
+
+LZMA Defines
+------------
+
+_LZMA_IN_CB - Use callback for input data
+
+_LZMA_OUT_READ - Use read function for output data
+
+_LZMA_LOC_OPT - Enable local speed optimizations inside code.
+ _LZMA_LOC_OPT is only for LzmaDecodeSize.c (size-optimized version).
+ _LZMA_LOC_OPT doesn't affect LzmaDecode.c (speed-optimized version)
+ and LzmaStateDecode.c
+
+_LZMA_PROB32 - It can increase speed on some 32-bit CPUs,
+ but memory usage will be doubled in that case
+
+_LZMA_UINT32_IS_ULONG - Define it if int is 16-bit on your compiler
+ and long is 32-bit.
+
+_LZMA_SYSTEM_SIZE_T - Define it if you want to use system's size_t.
+ You can use it to enable 64-bit sizes supporting
+
+
+
+C++ LZMA Encoder/Decoder
+~~~~~~~~~~~~~~~~~~~~~~~~
+C++ LZMA code use COM-like interfaces. So if you want to use it,
+you can study basics of COM/OLE.
+
+By default, LZMA Encoder contains all Match Finders.
+But for compressing it's enough to have just one of them.
+So for reducing size of compressing code you can define:
+ #define COMPRESS_MF_BT
+ #define COMPRESS_MF_BT4
+and it will use only bt4 match finder.
+
+
+---
+
+http://www.7-zip.org
+http://www.7-zip.org/support.html
diff --git a/other-licenses/7zstub/src/DOC/readme.txt b/other-licenses/7zstub/src/DOC/readme.txt new file mode 100644 index 000000000..d12260367 --- /dev/null +++ b/other-licenses/7zstub/src/DOC/readme.txt @@ -0,0 +1,226 @@ +7-Zip 4.42 Sources
+------------------
+
+7-Zip is a file archiver for Windows 95/98/ME/NT/2000/2003/XP.
+
+7-Zip Copyright (C) 1999-2006 Igor Pavlov.
+
+
+License Info
+------------
+
+Most of 7-Zip source code is under GNU LGPL.
+
+Files in folders
+ 7zip/Compress/Rar20
+ 7zip/Compress/Rar29
+ 7zip/Compress/Rar29/Original
+are licensed under "unRAR license + GNU LGPL" license.
+Source code files in all other folders of this package are under GNU LGPL.
+
+"unRAR license + GNU LGPL" means that you must follow
+GNU LGPL in all aspects while it is in agreement
+with unRAR license. But you can not break unRAR license rules.
+It means that unRAR license is main license in that pair.
+
+You can find unRAR license in file unrarLicense.txt
+You can find GNU LGPL license in file copying.txt
+
+
+GNU LGPL information:
+---------------------
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library 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
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+
+unRAR license + GNU LGPL Notes
+------------------------------
+
+Please check main restriction from unRar license:
+
+ 2. The unRAR sources may be used in any software to handle RAR
+ archives without limitations free of charge, but cannot be used
+ to re-create the RAR compression algorithm, which is proprietary.
+ Distribution of modified unRAR sources in separate form or as a
+ part of other software is permitted, provided that it is clearly
+ stated in the documentation and source comments that the code may
+ not be used to develop a RAR (WinRAR) compatible archiver.
+
+In brief it means:
+1) You can compile and use compiled files under GNU LGPL rules, since
+ unRAR license almost has no restrictions for compiled files.
+ You can link these compiled files to LGPL programs.
+2) You can fix bugs in source code and use compiled fixed version.
+3) You can not use unRAR sources to re-create the RAR compression algorithm.
+
+
+7zip\Compress\Rar29\Original folder contains files that are modified
+versions of original unRAR source code files.
+
+
+License notes
+-------------
+
+You can support development of 7-Zip by registering.
+
+7-Zip is free software distributed under the GNU LGPL.
+If you need license with other conditions, write to
+http://www.7-zip.org/support.html
+
+---
+Also this package contains files from LZMA SDK
+you can download LZMA SDK from this page:
+http://www.7-zip.org/sdk.html
+read about addtional licenses for LZMA SDK in file
+DOC/lzma.txt
+
+
+How to compile
+--------------
+To compile sources you need Visual C++ 6.0.
+For compiling some files you also need
+new Platform SDK from Microsoft' Site:
+http://www.microsoft.com/msdownload/platformsdk/sdkupdate/psdk-full.htm
+or
+http://www.microsoft.com/msdownload/platformsdk/sdkupdate/XPSP2FULLInstall.htm
+or
+http://www.microsoft.com/msdownload/platformsdk/sdkupdate/
+
+If you use MSVC6, specify SDK directories at top of directories lists:
+Tools / Options / Directories
+ - Include files
+ - Library files
+
+
+To compile 7-Zip for AMD64 and IA64 you need:
+ Windows Server 2003 SP1 Platform SDK from microsoft.com
+
+
+
+Compiling under Unix/Linux
+--------------------------
+Check this site for Posix/Linux version:
+http://sourceforge.net/projects/p7zip/
+
+
+Notes:
+------
+7-Zip consists of COM modules (DLL files).
+But 7-Zip doesn't use standard COM interfaces for creating objects.
+Look at
+7zip\UI\Client7z folder for example of using DLL files of 7-Zip.
+Some DLL files can use other DLL files from 7-Zip.
+If you don't like it, you must use standalone version of DLL.
+To compile standalone version of DLL you must include all used parts
+to project and define some defs.
+For example, 7zip\Bundles\Format7z is a standalone version of 7z.dll
+that works with 7z format. So you can use such DLL in your project
+without additional DLL files.
+
+
+Description of 7-Zip sources package
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+DOC Documentation
+---
+ 7zFormat.txt - 7z format description
+ copying.txt - GNU LGPL license
+ unRarLicense.txt - License for unRAR part of source code
+ history.txt - Sources history
+ Methods.txt - Compression method IDs
+ readme.txt - Readme file
+ lzma.txt - LZMA SDK description
+ 7zip.nsi - installer script for NSIS
+
+
+Common Common modules
+Windows Win32 wrappers
+
+7zip
+-------
+ Common Common modules for 7-zip
+
+ Archive 7-Zip Archive Format Plugins
+ --------
+ Common
+ 7z
+ Arj
+ BZip2
+ Cab
+ Cpio
+ GZip
+ Rar
+ Rpm
+ Split
+ Tar
+ Zip
+
+ Bundle Modules that are bundles of other modules
+ ------
+ Alone 7za.exe: Standalone version of 7z
+ Alone7z 7zr.exe: Standalone version of 7z that supports only 7z/LZMA/BCJ/BCJ2
+ SFXCon 7zCon.sfx: Console 7z SFX module
+ SFXWin 7z.sfx: Windows 7z SFX module
+ SFXSetup 7zS.sfx: Windows 7z SFX module for Installers
+ Format7z 7za.dll: Standalone version of 7z.dll
+
+ UI
+ --
+ Agent Intermediary modules for FAR plugin and Explorer plugin
+ Console 7z.exe Console version
+ Explorer Explorer plugin
+ Resource Resources
+ Far FAR plugin
+ Client7z Test application for 7za.dll
+
+ Compress
+ --------
+ BZip2 BZip2 compressor
+ Original Download BZip2 compression sources from
+ http://sources.redhat.com/bzip2/index.html
+ to that folder.
+ Branch Branch converter
+ ByteSwap Byte Swap converter
+ Copy Copy coder
+ Deflate
+ Implode
+ Arj
+ LZMA
+ PPMd Dmitry Shkarin's PPMdH with small changes.
+ LZ Lempel - Ziv
+ MT Multi Thread Match finder
+ BinTree Match Finder based on Binary Tree
+ Patricia Match Finder based on Patricia algoritm
+ HashChain Match Finder based on Hash Chains
+
+ Crypto Crypto modules
+ ------
+ 7zAES Cipher for 7z
+ AES AES Cipher
+ Rar20 Cipher for Rar 2.0
+ RarAES Cipher for Rar 3.0
+ Zip Cipher for Zip
+
+ FileManager File Manager
+
+
+---
+Igor Pavlov
+http://www.7-zip.org
+
+
+---
+End of document
+
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