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-
- ============================================================================
- miniLZO -- mini subset of the LZO real-time data compression library
- ============================================================================
-
- Author : Markus Franz Xaver Johannes Oberhumer
- <markus@oberhumer.com>
- http://www.oberhumer.com/opensource/lzo/
- Version : 2.07
- Date : 25 Jun 2014
-
- I've created miniLZO for projects where it is inconvenient to
- include (or require) the full LZO source code just because you
- want to add a little bit of data compression to your application.
-
- miniLZO implements the LZO1X-1 compressor and both the standard and
- safe LZO1X decompressor. Apart from fast compression it also useful
- for situations where you want to use pre-compressed data files (which
- must have been compressed with LZO1X-999).
-
- miniLZO consists of one C source file and three header files:
- minilzo.c
- minilzo.h, lzoconf.h, lzodefs.h
-
- To use miniLZO just copy these files into your source directory, add
- minilzo.c to your Makefile and #include minilzo.h from your program.
- Note: you also must distribute this file ('README.LZO') with your project.
-
- minilzo.o compiles to about 6 KiB (using gcc or Visual C on an i386), and
- the sources are about 30 KiB when packed with zip - so there's no more
- excuse that your application doesn't support data compression :-)
-
- For more information, documentation, example programs and other support
- files (like Makefiles and build scripts) please download the full LZO
- package from
- http://www.oberhumer.com/opensource/lzo/
-
- Have fun,
- Markus
-
-
- P.S. minilzo.c is generated automatically from the LZO sources and
- therefore functionality is completely identical
-
-
- Appendix A: building miniLZO
- ----------------------------
- miniLZO is written such a way that it should compile and run
- out-of-the-box on most machines.
-
- If you are running on a very unusual architecture and lzo_init() fails then
- you should first recompile with '-DLZO_DEBUG' to see what causes the failure.
- The most probable case is something like 'sizeof(void *) != sizeof(size_t)'.
- After identifying the problem you can compile by adding some defines
- like '-DSIZEOF_VOID_P=8' to your Makefile.
-
- The best solution is (of course) using Autoconf - if your project uses
- Autoconf anyway just add '-DMINILZO_HAVE_CONFIG_H' to your compiler
- flags when compiling minilzo.c. See the LZO distribution for an example
- how to set up configure.ac.
-
-
- Appendix B: list of public functions available in miniLZO
- ---------------------------------------------------------
- Library initialization
- lzo_init()
-
- Compression
- lzo1x_1_compress()
-
- Decompression
- lzo1x_decompress()
- lzo1x_decompress_safe()
-
- Checksum functions
- lzo_adler32()
-
- Version functions
- lzo_version()
- lzo_version_string()
- lzo_version_date()
-
- Portable (but slow) string functions
- lzo_memcmp()
- lzo_memcpy()
- lzo_memmove()
- lzo_memset()
-
-
- Appendix C: suggested macros for 'configure.ac' when using Autoconf
- -------------------------------------------------------------------
- Checks for typedefs and structures
- AC_CHECK_TYPE(ptrdiff_t,long)
- AC_TYPE_SIZE_T
- AC_CHECK_SIZEOF(short)
- AC_CHECK_SIZEOF(int)
- AC_CHECK_SIZEOF(long)
- AC_CHECK_SIZEOF(long long)
- AC_CHECK_SIZEOF(__int64)
- AC_CHECK_SIZEOF(void *)
- AC_CHECK_SIZEOF(size_t)
- AC_CHECK_SIZEOF(ptrdiff_t)
-
- Checks for compiler characteristics
- AC_C_CONST
-
- Checks for library functions
- AC_CHECK_FUNCS(memcmp memcpy memmove memset)
-
-
- Appendix D: Copyright
- ---------------------
- LZO and miniLZO are Copyright (C) 1996-2014 Markus Franz Xaver Oberhumer
- All Rights Reserved.
-
- LZO and miniLZO are distributed under the terms of the GNU General
- Public License (GPL). See the file COPYING.
-
- Special licenses for commercial and other applications which
- are not willing to accept the GNU General Public License
- are available by contacting the author.
-
-