Compress gamestate over network and more dots
parent
b11767a284
commit
3dd6f1a5ba
@ -0,0 +1,339 @@
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GNU GENERAL PUBLIC LICENSE
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Version 2, June 1991
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Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Everyone is permitted to copy and distribute verbatim copies
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of this license document, but changing it is not allowed.
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Preamble
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The licenses for most software are designed to take away your
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freedom to share and change it. By contrast, the GNU General Public
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License is intended to guarantee your freedom to share and change free
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software--to make sure the software is free for all its users. This
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General Public License applies to most of the Free Software
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Foundation's software and to any other program whose authors commit to
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using it. (Some other Free Software Foundation software is covered by
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the GNU Lesser General Public License instead.) You can apply it to
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your programs, too.
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When we speak of free software, we are referring to freedom, not
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The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. This License applies to any program or other work which contains
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END OF TERMS AND CONDITIONS
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How to Apply These Terms to Your New Programs
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If you develop a new program, and you want it to be of the greatest
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To do so, attach the following notices to the program. It is safest
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<one line to give the program's name and a brief idea of what it does.>
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Copyright (C) <year> <name of author>
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Also add information on how to contact you by electronic and paper mail.
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If the program is interactive, make it output a short notice like this
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|
||||||
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Gnomovision version 69, Copyright (C) year name of author
|
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Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
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This is free software, and you are welcome to redistribute it
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under certain conditions; type `show c' for details.
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The hypothetical commands `show w' and `show c' should show the appropriate
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mouse-clicks or menu items--whatever suits your program.
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|
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You should also get your employer (if you work as a programmer) or your
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school, if any, to sign a "copyright disclaimer" for the program, if
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necessary. Here is a sample; alter the names:
|
||||||
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|
||||||
|
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
|
||||||
|
`Gnomovision' (which makes passes at compilers) written by James Hacker.
|
||||||
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|
||||||
|
<signature of Ty Coon>, 1 April 1989
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||||||
|
Ty Coon, President of Vice
|
||||||
|
|
||||||
|
This General Public License does not permit incorporating your program into
|
||||||
|
proprietary programs. If your program is a subroutine library, you may
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||||||
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consider it more useful to permit linking proprietary applications with the
|
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library. If this is what you want to do, use the GNU Lesser General
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Public License instead of this License.
|
||||||
@ -0,0 +1,100 @@
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#
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# a very simple Makefile for miniLZO
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#
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# Copyright (C) 1996-2017 Markus F.X.J. Oberhumer
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#
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PROGRAM = testmini
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SOURCES = testmini.c minilzo.c
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default:
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@echo ""
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||||||
|
@echo "Welcome to miniLZO. Please choose one of the following 'make' targets:"
|
||||||
|
@echo ""
|
||||||
|
@echo " gcc: gcc"
|
||||||
|
@echo " unix: hpux hpux9"
|
||||||
|
@echo " win32: win32-bc win32-cygwin win32-dm win32-lccwin32"
|
||||||
|
@echo " win32-intelc win32-mingw win32-vc win32-watcomc"
|
||||||
|
@echo " dos32: dos32-djgpp2 dos32-wc"
|
||||||
|
@echo ""
|
||||||
|
|
||||||
|
|
||||||
|
# Make sure that minilzo.h, lzoconf.h and lzodefs.h are in the
|
||||||
|
# current dircectory. Otherwise you may want to adjust CPPFLAGS.
|
||||||
|
CPPFLAGS = -I. -I../include/lzo
|
||||||
|
|
||||||
|
GCC_CFLAGS = -s -Wall -O2 -fomit-frame-pointer
|
||||||
|
|
||||||
|
|
||||||
|
#
|
||||||
|
# gcc (generic)
|
||||||
|
#
|
||||||
|
|
||||||
|
gcc:
|
||||||
|
gcc $(CPPFLAGS) $(GCC_CFLAGS) -o $(PROGRAM) $(SOURCES)
|
||||||
|
|
||||||
|
cc:
|
||||||
|
cc $(CPPFLAGS) -o $(PROGRAM) $(SOURCES)
|
||||||
|
|
||||||
|
|
||||||
|
#
|
||||||
|
# UNIX
|
||||||
|
#
|
||||||
|
|
||||||
|
hpux:
|
||||||
|
cc -Ae $(CPPFLAGS) -o $(PROGRAM) $(SOURCES)
|
||||||
|
|
||||||
|
hpux9:
|
||||||
|
cc -Aa -D_HPUX_SOURCE $(CPPFLAGS) -o $(PROGRAM) $(SOURCES)
|
||||||
|
|
||||||
|
|
||||||
|
#
|
||||||
|
# Windows (32-bit)
|
||||||
|
#
|
||||||
|
|
||||||
|
win32-borlandc win32-bc:
|
||||||
|
bcc32 -O2 -d -w -w-aus $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
win32-cygwin32 win32-cygwin:
|
||||||
|
gcc -mcygwin $(CPPFLAGS) $(GCC_CFLAGS) -o $(PROGRAM).exe $(SOURCES)
|
||||||
|
|
||||||
|
win32-digitalmars win32-dm:
|
||||||
|
dmc -mn -o -w- $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
win32-intelc win32-ic:
|
||||||
|
icl -nologo -MT -W3 -O2 -GF $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
win32-lccwin32:
|
||||||
|
@echo "NOTE: need lcc 2002-07-25 or newer, older versions have bugs"
|
||||||
|
lc -A -unused -O $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
win32-mingw32 win32-mingw:
|
||||||
|
gcc -mno-cygwin $(CPPFLAGS) $(GCC_CFLAGS) -o $(PROGRAM).exe $(SOURCES)
|
||||||
|
|
||||||
|
win32-visualc win32-vc:
|
||||||
|
cl -nologo -MT -W3 -O2 -GF $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
win32-watcomc win32-wc:
|
||||||
|
wcl386 -bt=nt -zq -mf -5r -zc -w5 -oneatx $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
|
||||||
|
#
|
||||||
|
# DOS (32-bit)
|
||||||
|
#
|
||||||
|
|
||||||
|
dos32-djgpp2 dos32-dj2:
|
||||||
|
gcc $(CPPFLAGS) $(GCC_CFLAGS) -o $(PROGRAM).exe $(SOURCES)
|
||||||
|
|
||||||
|
dos32-watcomc dos32-wc:
|
||||||
|
wcl386 -zq -mf -bt=dos -l=dos4g -5r -ox -zc $(CPPFLAGS) $(SOURCES)
|
||||||
|
|
||||||
|
|
||||||
|
#
|
||||||
|
# other targets
|
||||||
|
#
|
||||||
|
|
||||||
|
clean:
|
||||||
|
rm -f $(PROGRAM) $(PROGRAM).exe $(PROGRAM).map $(PROGRAM).tds
|
||||||
|
rm -f *.err *.o *.obj
|
||||||
|
|
||||||
|
.PHONY: default clean
|
||||||
@ -0,0 +1,123 @@
|
|||||||
|
|
||||||
|
============================================================================
|
||||||
|
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 : 2.10
|
||||||
|
Date : 01 Mar 2017
|
||||||
|
|
||||||
|
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) 1996-2017 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.
|
||||||
|
|
||||||
|
|
||||||
@ -0,0 +1,453 @@
|
|||||||
|
/* lzoconf.h -- configuration of the LZO data compression library
|
||||||
|
|
||||||
|
This file is part of the LZO real-time data compression library.
|
||||||
|
|
||||||
|
Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
|
||||||
|
All Rights Reserved.
|
||||||
|
|
||||||
|
The LZO library 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.
|
||||||
|
|
||||||
|
The LZO 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 General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with the LZO library; see the file COPYING.
|
||||||
|
If not, write to the Free Software Foundation, Inc.,
|
||||||
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||||
|
|
||||||
|
Markus F.X.J. Oberhumer
|
||||||
|
<markus@oberhumer.com>
|
||||||
|
http://www.oberhumer.com/opensource/lzo/
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef __LZOCONF_H_INCLUDED
|
||||||
|
#define __LZOCONF_H_INCLUDED 1
|
||||||
|
|
||||||
|
#define LZO_VERSION 0x20a0 /* 2.10 */
|
||||||
|
#define LZO_VERSION_STRING "2.10"
|
||||||
|
#define LZO_VERSION_DATE "Mar 01 2017"
|
||||||
|
|
||||||
|
/* internal Autoconf configuration file - only used when building LZO */
|
||||||
|
#if defined(LZO_HAVE_CONFIG_H)
|
||||||
|
# include <config.h>
|
||||||
|
#endif
|
||||||
|
#include <limits.h>
|
||||||
|
#include <stddef.h>
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// LZO requires a conforming <limits.h>
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
#if !defined(CHAR_BIT) || (CHAR_BIT != 8)
|
||||||
|
# error "invalid CHAR_BIT"
|
||||||
|
#endif
|
||||||
|
#if !defined(UCHAR_MAX) || !defined(USHRT_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX)
|
||||||
|
# error "check your compiler installation"
|
||||||
|
#endif
|
||||||
|
#if (USHRT_MAX < 1) || (UINT_MAX < 1) || (ULONG_MAX < 1)
|
||||||
|
# error "your limits.h macros are broken"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* get OS and architecture defines */
|
||||||
|
#ifndef __LZODEFS_H_INCLUDED
|
||||||
|
#include <lzo/lzodefs.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// some core defines
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* memory checkers */
|
||||||
|
#if !defined(__LZO_CHECKER)
|
||||||
|
# if defined(__BOUNDS_CHECKING_ON)
|
||||||
|
# define __LZO_CHECKER 1
|
||||||
|
# elif defined(__CHECKER__)
|
||||||
|
# define __LZO_CHECKER 1
|
||||||
|
# elif defined(__INSURE__)
|
||||||
|
# define __LZO_CHECKER 1
|
||||||
|
# elif defined(__PURIFY__)
|
||||||
|
# define __LZO_CHECKER 1
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// integral and pointer types
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* lzo_uint must match size_t */
|
||||||
|
#if !defined(LZO_UINT_MAX)
|
||||||
|
# if (LZO_ABI_LLP64)
|
||||||
|
# if (LZO_OS_WIN64)
|
||||||
|
typedef unsigned __int64 lzo_uint;
|
||||||
|
typedef __int64 lzo_int;
|
||||||
|
# define LZO_TYPEOF_LZO_INT LZO_TYPEOF___INT64
|
||||||
|
# else
|
||||||
|
typedef lzo_ullong_t lzo_uint;
|
||||||
|
typedef lzo_llong_t lzo_int;
|
||||||
|
# define LZO_TYPEOF_LZO_INT LZO_TYPEOF_LONG_LONG
|
||||||
|
# endif
|
||||||
|
# define LZO_SIZEOF_LZO_INT 8
|
||||||
|
# define LZO_UINT_MAX 0xffffffffffffffffull
|
||||||
|
# define LZO_INT_MAX 9223372036854775807LL
|
||||||
|
# define LZO_INT_MIN (-1LL - LZO_INT_MAX)
|
||||||
|
# elif (LZO_ABI_IP32L64) /* MIPS R5900 */
|
||||||
|
typedef unsigned int lzo_uint;
|
||||||
|
typedef int lzo_int;
|
||||||
|
# define LZO_SIZEOF_LZO_INT LZO_SIZEOF_INT
|
||||||
|
# define LZO_TYPEOF_LZO_INT LZO_TYPEOF_INT
|
||||||
|
# define LZO_UINT_MAX UINT_MAX
|
||||||
|
# define LZO_INT_MAX INT_MAX
|
||||||
|
# define LZO_INT_MIN INT_MIN
|
||||||
|
# elif (ULONG_MAX >= LZO_0xffffffffL)
|
||||||
|
typedef unsigned long lzo_uint;
|
||||||
|
typedef long lzo_int;
|
||||||
|
# define LZO_SIZEOF_LZO_INT LZO_SIZEOF_LONG
|
||||||
|
# define LZO_TYPEOF_LZO_INT LZO_TYPEOF_LONG
|
||||||
|
# define LZO_UINT_MAX ULONG_MAX
|
||||||
|
# define LZO_INT_MAX LONG_MAX
|
||||||
|
# define LZO_INT_MIN LONG_MIN
|
||||||
|
# else
|
||||||
|
# error "lzo_uint"
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* The larger type of lzo_uint and lzo_uint32_t. */
|
||||||
|
#if (LZO_SIZEOF_LZO_INT >= 4)
|
||||||
|
# define lzo_xint lzo_uint
|
||||||
|
#else
|
||||||
|
# define lzo_xint lzo_uint32_t
|
||||||
|
#endif
|
||||||
|
|
||||||
|
typedef int lzo_bool;
|
||||||
|
|
||||||
|
/* sanity checks */
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_int) == LZO_SIZEOF_LZO_INT)
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == LZO_SIZEOF_LZO_INT)
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_xint) >= sizeof(lzo_uint32_t))
|
||||||
|
|
||||||
|
#ifndef __LZO_MMODEL
|
||||||
|
#define __LZO_MMODEL /*empty*/
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* no typedef here because of const-pointer issues */
|
||||||
|
#define lzo_bytep unsigned char __LZO_MMODEL *
|
||||||
|
#define lzo_charp char __LZO_MMODEL *
|
||||||
|
#define lzo_voidp void __LZO_MMODEL *
|
||||||
|
#define lzo_shortp short __LZO_MMODEL *
|
||||||
|
#define lzo_ushortp unsigned short __LZO_MMODEL *
|
||||||
|
#define lzo_intp lzo_int __LZO_MMODEL *
|
||||||
|
#define lzo_uintp lzo_uint __LZO_MMODEL *
|
||||||
|
#define lzo_xintp lzo_xint __LZO_MMODEL *
|
||||||
|
#define lzo_voidpp lzo_voidp __LZO_MMODEL *
|
||||||
|
#define lzo_bytepp lzo_bytep __LZO_MMODEL *
|
||||||
|
|
||||||
|
#define lzo_int8_tp lzo_int8_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint8_tp lzo_uint8_t __LZO_MMODEL *
|
||||||
|
#define lzo_int16_tp lzo_int16_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint16_tp lzo_uint16_t __LZO_MMODEL *
|
||||||
|
#define lzo_int32_tp lzo_int32_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint32_tp lzo_uint32_t __LZO_MMODEL *
|
||||||
|
#if defined(lzo_int64_t)
|
||||||
|
#define lzo_int64_tp lzo_int64_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint64_tp lzo_uint64_t __LZO_MMODEL *
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Older LZO versions used to support ancient systems and memory models
|
||||||
|
* such as 16-bit MSDOS with __huge pointers or Cray PVP, but these
|
||||||
|
* obsolete configurations are not supported any longer.
|
||||||
|
*/
|
||||||
|
#if defined(__LZO_MMODEL_HUGE)
|
||||||
|
#error "__LZO_MMODEL_HUGE memory model is unsupported"
|
||||||
|
#endif
|
||||||
|
#if (LZO_MM_PVP)
|
||||||
|
#error "LZO_MM_PVP memory model is unsupported"
|
||||||
|
#endif
|
||||||
|
#if (LZO_SIZEOF_INT < 4)
|
||||||
|
#error "LZO_SIZEOF_INT < 4 is unsupported"
|
||||||
|
#endif
|
||||||
|
#if (__LZO_UINTPTR_T_IS_POINTER)
|
||||||
|
#error "__LZO_UINTPTR_T_IS_POINTER is unsupported"
|
||||||
|
#endif
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(int) >= 4)
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) >= 4)
|
||||||
|
/* Strange configurations where sizeof(lzo_uint) != sizeof(size_t) should
|
||||||
|
* work but have not received much testing lately, so be strict here.
|
||||||
|
*/
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(size_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(ptrdiff_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(lzo_uint) == sizeof(lzo_uintptr_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_uintptr_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_uintptr_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(long *) == sizeof(lzo_uintptr_t))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(void *) == sizeof(lzo_voidp))
|
||||||
|
LZO_COMPILE_TIME_ASSERT_HEADER(sizeof(char *) == sizeof(lzo_bytep))
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// function types
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* name mangling */
|
||||||
|
#if !defined(__LZO_EXTERN_C)
|
||||||
|
# ifdef __cplusplus
|
||||||
|
# define __LZO_EXTERN_C extern "C"
|
||||||
|
# else
|
||||||
|
# define __LZO_EXTERN_C extern
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* calling convention */
|
||||||
|
#if !defined(__LZO_CDECL)
|
||||||
|
# define __LZO_CDECL __lzo_cdecl
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* DLL export information */
|
||||||
|
#if !defined(__LZO_EXPORT1)
|
||||||
|
# define __LZO_EXPORT1 /*empty*/
|
||||||
|
#endif
|
||||||
|
#if !defined(__LZO_EXPORT2)
|
||||||
|
# define __LZO_EXPORT2 /*empty*/
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* __cdecl calling convention for public C and assembly functions */
|
||||||
|
#if !defined(LZO_PUBLIC)
|
||||||
|
# define LZO_PUBLIC(r) __LZO_EXPORT1 r __LZO_EXPORT2 __LZO_CDECL
|
||||||
|
#endif
|
||||||
|
#if !defined(LZO_EXTERN)
|
||||||
|
# define LZO_EXTERN(r) __LZO_EXTERN_C LZO_PUBLIC(r)
|
||||||
|
#endif
|
||||||
|
#if !defined(LZO_PRIVATE)
|
||||||
|
# define LZO_PRIVATE(r) static r __LZO_CDECL
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* function types */
|
||||||
|
typedef int
|
||||||
|
(__LZO_CDECL *lzo_compress_t) ( const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem );
|
||||||
|
|
||||||
|
typedef int
|
||||||
|
(__LZO_CDECL *lzo_decompress_t) ( const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem );
|
||||||
|
|
||||||
|
typedef int
|
||||||
|
(__LZO_CDECL *lzo_optimize_t) ( lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem );
|
||||||
|
|
||||||
|
typedef int
|
||||||
|
(__LZO_CDECL *lzo_compress_dict_t)(const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem,
|
||||||
|
const lzo_bytep dict, lzo_uint dict_len );
|
||||||
|
|
||||||
|
typedef int
|
||||||
|
(__LZO_CDECL *lzo_decompress_dict_t)(const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem,
|
||||||
|
const lzo_bytep dict, lzo_uint dict_len );
|
||||||
|
|
||||||
|
|
||||||
|
/* Callback interface. Currently only the progress indicator ("nprogress")
|
||||||
|
* is used, but this may change in a future release. */
|
||||||
|
|
||||||
|
struct lzo_callback_t;
|
||||||
|
typedef struct lzo_callback_t lzo_callback_t;
|
||||||
|
#define lzo_callback_p lzo_callback_t __LZO_MMODEL *
|
||||||
|
|
||||||
|
/* malloc & free function types */
|
||||||
|
typedef lzo_voidp (__LZO_CDECL *lzo_alloc_func_t)
|
||||||
|
(lzo_callback_p self, lzo_uint items, lzo_uint size);
|
||||||
|
typedef void (__LZO_CDECL *lzo_free_func_t)
|
||||||
|
(lzo_callback_p self, lzo_voidp ptr);
|
||||||
|
|
||||||
|
/* a progress indicator callback function */
|
||||||
|
typedef void (__LZO_CDECL *lzo_progress_func_t)
|
||||||
|
(lzo_callback_p, lzo_uint, lzo_uint, int);
|
||||||
|
|
||||||
|
struct lzo_callback_t
|
||||||
|
{
|
||||||
|
/* custom allocators (set to 0 to disable) */
|
||||||
|
lzo_alloc_func_t nalloc; /* [not used right now] */
|
||||||
|
lzo_free_func_t nfree; /* [not used right now] */
|
||||||
|
|
||||||
|
/* a progress indicator callback function (set to 0 to disable) */
|
||||||
|
lzo_progress_func_t nprogress;
|
||||||
|
|
||||||
|
/* INFO: the first parameter "self" of the nalloc/nfree/nprogress
|
||||||
|
* callbacks points back to this struct, so you are free to store
|
||||||
|
* some extra info in the following variables. */
|
||||||
|
lzo_voidp user1;
|
||||||
|
lzo_xint user2;
|
||||||
|
lzo_xint user3;
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// error codes and prototypes
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* Error codes for the compression/decompression functions. Negative
|
||||||
|
* values are errors, positive values will be used for special but
|
||||||
|
* normal events.
|
||||||
|
*/
|
||||||
|
#define LZO_E_OK 0
|
||||||
|
#define LZO_E_ERROR (-1)
|
||||||
|
#define LZO_E_OUT_OF_MEMORY (-2) /* [lzo_alloc_func_t failure] */
|
||||||
|
#define LZO_E_NOT_COMPRESSIBLE (-3) /* [not used right now] */
|
||||||
|
#define LZO_E_INPUT_OVERRUN (-4)
|
||||||
|
#define LZO_E_OUTPUT_OVERRUN (-5)
|
||||||
|
#define LZO_E_LOOKBEHIND_OVERRUN (-6)
|
||||||
|
#define LZO_E_EOF_NOT_FOUND (-7)
|
||||||
|
#define LZO_E_INPUT_NOT_CONSUMED (-8)
|
||||||
|
#define LZO_E_NOT_YET_IMPLEMENTED (-9) /* [not used right now] */
|
||||||
|
#define LZO_E_INVALID_ARGUMENT (-10)
|
||||||
|
#define LZO_E_INVALID_ALIGNMENT (-11) /* pointer argument is not properly aligned */
|
||||||
|
#define LZO_E_OUTPUT_NOT_CONSUMED (-12)
|
||||||
|
#define LZO_E_INTERNAL_ERROR (-99)
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef lzo_sizeof_dict_t
|
||||||
|
# define lzo_sizeof_dict_t ((unsigned)sizeof(lzo_bytep))
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* lzo_init() should be the first function you call.
|
||||||
|
* Check the return code !
|
||||||
|
*
|
||||||
|
* lzo_init() is a macro to allow checking that the library and the
|
||||||
|
* compiler's view of various types are consistent.
|
||||||
|
*/
|
||||||
|
#define lzo_init() __lzo_init_v2(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\
|
||||||
|
(int)sizeof(long),(int)sizeof(lzo_uint32_t),(int)sizeof(lzo_uint),\
|
||||||
|
(int)lzo_sizeof_dict_t,(int)sizeof(char *),(int)sizeof(lzo_voidp),\
|
||||||
|
(int)sizeof(lzo_callback_t))
|
||||||
|
LZO_EXTERN(int) __lzo_init_v2(unsigned,int,int,int,int,int,int,int,int,int);
|
||||||
|
|
||||||
|
/* version functions (useful for shared libraries) */
|
||||||
|
LZO_EXTERN(unsigned) lzo_version(void);
|
||||||
|
LZO_EXTERN(const char *) lzo_version_string(void);
|
||||||
|
LZO_EXTERN(const char *) lzo_version_date(void);
|
||||||
|
LZO_EXTERN(const lzo_charp) _lzo_version_string(void);
|
||||||
|
LZO_EXTERN(const lzo_charp) _lzo_version_date(void);
|
||||||
|
|
||||||
|
/* string functions */
|
||||||
|
LZO_EXTERN(int)
|
||||||
|
lzo_memcmp(const lzo_voidp a, const lzo_voidp b, lzo_uint len);
|
||||||
|
LZO_EXTERN(lzo_voidp)
|
||||||
|
lzo_memcpy(lzo_voidp dst, const lzo_voidp src, lzo_uint len);
|
||||||
|
LZO_EXTERN(lzo_voidp)
|
||||||
|
lzo_memmove(lzo_voidp dst, const lzo_voidp src, lzo_uint len);
|
||||||
|
LZO_EXTERN(lzo_voidp)
|
||||||
|
lzo_memset(lzo_voidp buf, int c, lzo_uint len);
|
||||||
|
|
||||||
|
/* checksum functions */
|
||||||
|
LZO_EXTERN(lzo_uint32_t)
|
||||||
|
lzo_adler32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len);
|
||||||
|
LZO_EXTERN(lzo_uint32_t)
|
||||||
|
lzo_crc32(lzo_uint32_t c, const lzo_bytep buf, lzo_uint len);
|
||||||
|
LZO_EXTERN(const lzo_uint32_tp)
|
||||||
|
lzo_get_crc32_table(void);
|
||||||
|
|
||||||
|
/* misc. */
|
||||||
|
LZO_EXTERN(int) _lzo_config_check(void);
|
||||||
|
typedef union {
|
||||||
|
lzo_voidp a00; lzo_bytep a01; lzo_uint a02; lzo_xint a03; lzo_uintptr_t a04;
|
||||||
|
void *a05; unsigned char *a06; unsigned long a07; size_t a08; ptrdiff_t a09;
|
||||||
|
#if defined(lzo_int64_t)
|
||||||
|
lzo_uint64_t a10;
|
||||||
|
#endif
|
||||||
|
} lzo_align_t;
|
||||||
|
|
||||||
|
/* align a char pointer on a boundary that is a multiple of 'size' */
|
||||||
|
LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp p, lzo_uint size);
|
||||||
|
#define LZO_PTR_ALIGN_UP(p,size) \
|
||||||
|
((p) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(p),(lzo_uint)(size)))
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
// deprecated macros - only for backward compatibility
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* deprecated - use 'lzo_bytep' instead of 'lzo_byte *' */
|
||||||
|
#define lzo_byte unsigned char
|
||||||
|
/* deprecated type names */
|
||||||
|
#define lzo_int32 lzo_int32_t
|
||||||
|
#define lzo_uint32 lzo_uint32_t
|
||||||
|
#define lzo_int32p lzo_int32_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint32p lzo_uint32_t __LZO_MMODEL *
|
||||||
|
#define LZO_INT32_MAX LZO_INT32_C(2147483647)
|
||||||
|
#define LZO_UINT32_MAX LZO_UINT32_C(4294967295)
|
||||||
|
#if defined(lzo_int64_t)
|
||||||
|
#define lzo_int64 lzo_int64_t
|
||||||
|
#define lzo_uint64 lzo_uint64_t
|
||||||
|
#define lzo_int64p lzo_int64_t __LZO_MMODEL *
|
||||||
|
#define lzo_uint64p lzo_uint64_t __LZO_MMODEL *
|
||||||
|
#define LZO_INT64_MAX LZO_INT64_C(9223372036854775807)
|
||||||
|
#define LZO_UINT64_MAX LZO_UINT64_C(18446744073709551615)
|
||||||
|
#endif
|
||||||
|
/* deprecated types */
|
||||||
|
typedef union { lzo_bytep a; lzo_uint b; } __lzo_pu_u;
|
||||||
|
typedef union { lzo_bytep a; lzo_uint32_t b; } __lzo_pu32_u;
|
||||||
|
/* deprecated defines */
|
||||||
|
#if !defined(LZO_SIZEOF_LZO_UINT)
|
||||||
|
# define LZO_SIZEOF_LZO_UINT LZO_SIZEOF_LZO_INT
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if defined(LZO_CFG_COMPAT)
|
||||||
|
|
||||||
|
#define __LZOCONF_H 1
|
||||||
|
|
||||||
|
#if defined(LZO_ARCH_I086)
|
||||||
|
# define __LZO_i386 1
|
||||||
|
#elif defined(LZO_ARCH_I386)
|
||||||
|
# define __LZO_i386 1
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#if defined(LZO_OS_DOS16)
|
||||||
|
# define __LZO_DOS 1
|
||||||
|
# define __LZO_DOS16 1
|
||||||
|
#elif defined(LZO_OS_DOS32)
|
||||||
|
# define __LZO_DOS 1
|
||||||
|
#elif defined(LZO_OS_WIN16)
|
||||||
|
# define __LZO_WIN 1
|
||||||
|
# define __LZO_WIN16 1
|
||||||
|
#elif defined(LZO_OS_WIN32)
|
||||||
|
# define __LZO_WIN 1
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#define __LZO_CMODEL /*empty*/
|
||||||
|
#define __LZO_DMODEL /*empty*/
|
||||||
|
#define __LZO_ENTRY __LZO_CDECL
|
||||||
|
#define LZO_EXTERN_CDECL LZO_EXTERN
|
||||||
|
#define LZO_ALIGN LZO_PTR_ALIGN_UP
|
||||||
|
|
||||||
|
#define lzo_compress_asm_t lzo_compress_t
|
||||||
|
#define lzo_decompress_asm_t lzo_decompress_t
|
||||||
|
|
||||||
|
#endif /* LZO_CFG_COMPAT */
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
} /* extern "C" */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* already included */
|
||||||
|
|
||||||
|
|
||||||
|
/* vim:set ts=4 sw=4 et: */
|
||||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,106 @@
|
|||||||
|
/* minilzo.h -- mini subset of the LZO real-time data compression library
|
||||||
|
|
||||||
|
This file is part of the LZO real-time data compression library.
|
||||||
|
|
||||||
|
Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
|
||||||
|
All Rights Reserved.
|
||||||
|
|
||||||
|
The LZO library 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.
|
||||||
|
|
||||||
|
The LZO 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 General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with the LZO library; see the file COPYING.
|
||||||
|
If not, write to the Free Software Foundation, Inc.,
|
||||||
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||||
|
|
||||||
|
Markus F.X.J. Oberhumer
|
||||||
|
<markus@oberhumer.com>
|
||||||
|
http://www.oberhumer.com/opensource/lzo/
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* NOTE:
|
||||||
|
* the full LZO package can be found at
|
||||||
|
* http://www.oberhumer.com/opensource/lzo/
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef __MINILZO_H_INCLUDED
|
||||||
|
#define __MINILZO_H_INCLUDED 1
|
||||||
|
|
||||||
|
#define MINILZO_VERSION 0x20a0 /* 2.10 */
|
||||||
|
|
||||||
|
#if defined(__LZOCONF_H_INCLUDED)
|
||||||
|
# error "you cannot use both LZO and miniLZO"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* internal Autoconf configuration file - only used when building miniLZO */
|
||||||
|
#ifdef MINILZO_HAVE_CONFIG_H
|
||||||
|
# include <config.h>
|
||||||
|
#endif
|
||||||
|
#include <limits.h>
|
||||||
|
#include <stddef.h>
|
||||||
|
|
||||||
|
#ifndef __LZODEFS_H_INCLUDED
|
||||||
|
#include "lzodefs.h"
|
||||||
|
#endif
|
||||||
|
#undef LZO_HAVE_CONFIG_H
|
||||||
|
#include "lzoconf.h"
|
||||||
|
|
||||||
|
#if !defined(LZO_VERSION) || (LZO_VERSION != MINILZO_VERSION)
|
||||||
|
# error "version mismatch in header files"
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
extern "C" {
|
||||||
|
#endif
|
||||||
|
|
||||||
|
|
||||||
|
/***********************************************************************
|
||||||
|
//
|
||||||
|
************************************************************************/
|
||||||
|
|
||||||
|
/* Memory required for the wrkmem parameter.
|
||||||
|
* When the required size is 0, you can also pass a NULL pointer.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS
|
||||||
|
#define LZO1X_1_MEM_COMPRESS ((lzo_uint32_t) (16384L * lzo_sizeof_dict_t))
|
||||||
|
#define LZO1X_MEM_DECOMPRESS (0)
|
||||||
|
|
||||||
|
|
||||||
|
/* compression */
|
||||||
|
LZO_EXTERN(int)
|
||||||
|
lzo1x_1_compress ( const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem );
|
||||||
|
|
||||||
|
/* decompression */
|
||||||
|
LZO_EXTERN(int)
|
||||||
|
lzo1x_decompress ( const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem /* NOT USED */ );
|
||||||
|
|
||||||
|
/* safe decompression with overrun testing */
|
||||||
|
LZO_EXTERN(int)
|
||||||
|
lzo1x_decompress_safe ( const lzo_bytep src, lzo_uint src_len,
|
||||||
|
lzo_bytep dst, lzo_uintp dst_len,
|
||||||
|
lzo_voidp wrkmem /* NOT USED */ );
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
} /* extern "C" */
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* already included */
|
||||||
|
|
||||||
|
|
||||||
|
/* vim:set ts=4 sw=4 et: */
|
||||||
@ -0,0 +1,148 @@
|
|||||||
|
/* testmini.c -- very simple test program for the miniLZO library
|
||||||
|
|
||||||
|
This file is part of the LZO real-time data compression library.
|
||||||
|
|
||||||
|
Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
|
||||||
|
All Rights Reserved.
|
||||||
|
|
||||||
|
The LZO library 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.
|
||||||
|
|
||||||
|
The LZO 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 General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU General Public License
|
||||||
|
along with the LZO library; see the file COPYING.
|
||||||
|
If not, write to the Free Software Foundation, Inc.,
|
||||||
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
||||||
|
|
||||||
|
Markus F.X.J. Oberhumer
|
||||||
|
<markus@oberhumer.com>
|
||||||
|
http://www.oberhumer.com/opensource/lzo/
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
|
||||||
|
/*************************************************************************
|
||||||
|
// This program shows the basic usage of the LZO library.
|
||||||
|
// We will compress a block of data and decompress again.
|
||||||
|
//
|
||||||
|
// 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/
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
/* First let's include "minizo.h". */
|
||||||
|
|
||||||
|
#include "minilzo.h"
|
||||||
|
|
||||||
|
|
||||||
|
/* We want to compress the data block at 'in' with length 'IN_LEN' to
|
||||||
|
* the block at 'out'. Because the input block may be incompressible,
|
||||||
|
* we must provide a little more output space in case that compression
|
||||||
|
* is not possible.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define IN_LEN (128*1024ul)
|
||||||
|
#define OUT_LEN (IN_LEN + IN_LEN / 16 + 64 + 3)
|
||||||
|
|
||||||
|
static unsigned char __LZO_MMODEL in [ IN_LEN ];
|
||||||
|
static unsigned char __LZO_MMODEL out [ OUT_LEN ];
|
||||||
|
|
||||||
|
|
||||||
|
/* Work-memory needed for compression. Allocate memory in units
|
||||||
|
* of 'lzo_align_t' (instead of 'char') to make sure it is properly aligned.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define HEAP_ALLOC(var,size) \
|
||||||
|
lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo_align_t) ]
|
||||||
|
|
||||||
|
static HEAP_ALLOC(wrkmem, LZO1X_1_MEM_COMPRESS);
|
||||||
|
|
||||||
|
|
||||||
|
/*************************************************************************
|
||||||
|
//
|
||||||
|
**************************************************************************/
|
||||||
|
|
||||||
|
int main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
int r;
|
||||||
|
lzo_uint in_len;
|
||||||
|
lzo_uint out_len;
|
||||||
|
lzo_uint new_len;
|
||||||
|
|
||||||
|
if (argc < 0 && argv == NULL) /* avoid warning about unused args */
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
printf("\nLZO real-time data compression library (v%s, %s).\n",
|
||||||
|
lzo_version_string(), lzo_version_date());
|
||||||
|
printf("Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer\nAll Rights Reserved.\n\n");
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Step 1: initialize the LZO library
|
||||||
|
*/
|
||||||
|
if (lzo_init() != LZO_E_OK)
|
||||||
|
{
|
||||||
|
printf("internal error - lzo_init() failed !!!\n");
|
||||||
|
printf("(this usually indicates a compiler bug - try recompiling\nwithout optimizations, and enable '-DLZO_DEBUG' for diagnostics)\n");
|
||||||
|
return 3;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Step 2: prepare the input block that will get compressed.
|
||||||
|
* We just fill it with zeros in this example program,
|
||||||
|
* but you would use your real-world data here.
|
||||||
|
*/
|
||||||
|
in_len = IN_LEN;
|
||||||
|
lzo_memset(in,0,in_len);
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Step 3: compress from 'in' to 'out' with LZO1X-1
|
||||||
|
*/
|
||||||
|
r = lzo1x_1_compress(in,in_len,out,&out_len,wrkmem);
|
||||||
|
if (r == LZO_E_OK)
|
||||||
|
printf("compressed %lu bytes into %lu bytes\n",
|
||||||
|
(unsigned long) in_len, (unsigned long) out_len);
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* this should NEVER happen */
|
||||||
|
printf("internal error - compression failed: %d\n", r);
|
||||||
|
return 2;
|
||||||
|
}
|
||||||
|
/* check for an incompressible block */
|
||||||
|
if (out_len >= in_len)
|
||||||
|
{
|
||||||
|
printf("This block contains incompressible data.\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Step 4: decompress again, now going from 'out' to 'in'
|
||||||
|
*/
|
||||||
|
new_len = in_len;
|
||||||
|
r = lzo1x_decompress(out,out_len,in,&new_len,NULL);
|
||||||
|
if (r == LZO_E_OK && new_len == in_len)
|
||||||
|
printf("decompressed %lu bytes back into %lu bytes\n",
|
||||||
|
(unsigned long) out_len, (unsigned long) in_len);
|
||||||
|
else
|
||||||
|
{
|
||||||
|
/* this should NEVER happen */
|
||||||
|
printf("internal error - decompression failed: %d\n", r);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
printf("\nminiLZO simple compression test passed.\n");
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/* vim:set ts=4 sw=4 et: */
|
||||||
Loading…
Reference in New Issue