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/* lzoconf.h -- configuration for the LZO real-time data compression library
This file is part of the LZO real-time data compression library.
Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
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.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
Markus F.X.J. Oberhumer
markus.oberhumer@jk.uni-linz.ac.at
http://www.infosys.tuwien.ac.at/Staff/lux/marco/lzo.html
*/
#ifndef __LZOCONF_H
#define __LZOCONF_H
#define LZO_VERSION 0x1000
#define LZO_VERSION_STRING "1.00"
#define LZO_VERSION_DATE "Jul 13 1997"
/* internal Autoconf configuration file - only used when building LZO */
#if defined(LZO_HAVE_CONFIG_H)
# include <config.h>
#endif
/* LZO requires a conforming <limits.h> */
#include <limits.h>
#if !defined(CHAR_BIT) || (CHAR_BIT != 8)
# error invalid CHAR_BIT
#endif
#if !defined(UCHAR_MAX) || !defined(UINT_MAX) || !defined(ULONG_MAX)
# error check your compiler installation
#endif
#ifdef __cplusplus
extern "C" {
#endif
/***********************************************************************
// architecture defines
************************************************************************/
#if defined(__WINDOWS__) || defined(_WINDOWS) || defined(_Windows)
# define __LZO_WIN
#elif defined(__WIN32__) || defined(_WIN32) || defined(WIN32)
# define __LZO_WIN
#elif defined(__NT__) || defined(__WINDOWS_386__)
# define __LZO_WIN
#elif defined(__DOS__) || defined(__MSDOS__) || defined(MSDOS)
# define __LZO_DOS
#endif
#if (UINT_MAX < 0xffffffffL)
# if defined(__LZO_WIN)
# define __LZO_WIN16
# elif defined(__LZO_DOS)
# define __LZO_DOS16
# elif defined(__TOS__)
# define __LZO_TOS16
# else
# error 16 bit target not supported
# endif
#endif
#if !defined(__LZO_i386)
# if defined(__LZO_DOS) || defined(__LZO_WIN16)
# define __LZO_i386
# elif defined(__i386__) || defined(__386__) || defined(_M_IX86)
# define __LZO_i386
# endif
#endif
/***********************************************************************
// integral and pointer types
************************************************************************/
/* Integral types with 32 bits or more */
#if !defined(LZO_UINT32_MAX)
# if (UINT_MAX >= 0xffffffffL)
typedef unsigned int lzo_uint32;
typedef int lzo_int32;
# define LZO_UINT32_MAX UINT_MAX
# elif (ULONG_MAX >= 0xffffffffL)
typedef unsigned long lzo_uint32;
typedef long lzo_int32;
# define LZO_UINT32_MAX ULONG_MAX
# else
# error lzo_uint32
# endif
#endif
/* lzo_uint is used like size_t */
#if !defined(LZO_UINT_MAX)
# if (UINT_MAX >= 0xffffffffL)
typedef unsigned int lzo_uint;
typedef int lzo_int;
# define LZO_UINT_MAX UINT_MAX
# elif (ULONG_MAX >= 0xffffffffL)
typedef unsigned long lzo_uint;
typedef long lzo_int;
# define LZO_UINT_MAX ULONG_MAX
# else
# error lzo_uint
# endif
#endif
/* Memory model that allows to access memory at offsets of lzo_uint.
* `Huge' pointers (16 bit DOS/Windows) are somewhat slow, but they
* work fine and I really don't care about 16 bit compiler
* optimizations nowadays.
*/
#if !defined(__LZO_MMODEL)
# if (LZO_UINT_MAX <= UINT_MAX)
# define __LZO_MMODEL
# elif defined(__LZO_DOS16) || defined(__LZO_WIN16)
# define __LZO_MMODEL __huge
# define LZO_999_UNSUPPORTED
# elif defined(__LZO_TOS16)
# define __LZO_MMODEL
# else
# error __LZO_MMODEL
# endif
#endif
/* no typedef here because of const-pointer issues */
#define lzo_byte unsigned char __LZO_MMODEL
#define lzo_bytep unsigned char __LZO_MMODEL *
#define lzo_voidp void __LZO_MMODEL *
#define lzo_shortp short __LZO_MMODEL *
#define lzo_ushortp unsigned short __LZO_MMODEL *
#define lzo_uint32p lzo_uint32 __LZO_MMODEL *
#define lzo_int32p lzo_int32 __LZO_MMODEL *
#define lzo_uintp lzo_uint __LZO_MMODEL *
#define lzo_intp lzo_int __LZO_MMODEL *
#define lzo_voidpp lzo_voidp __LZO_MMODEL *
#define lzo_bytepp lzo_bytep __LZO_MMODEL *
#define lzo_charp char __LZO_MMODEL *
/* improve code readability */
typedef int lzo_bool;
/***********************************************************************
// function types
************************************************************************/
/* linkage */
#if !defined(__LZO_EXTERN_C)
# ifdef __cplusplus
# define __LZO_EXTERN_C extern "C"
# else
# define __LZO_EXTERN_C extern
# endif
#endif
/* calling conventions */
#if !defined(__LZO_ENTRY)
# if defined(__LZO_DOS16) || defined(__LZO_WIN16)
# define __LZO_ENTRY __far __cdecl
# elif defined(__LZO_i386) && defined(_MSC_VER)
# define __LZO_ENTRY __cdecl
# elif defined(__LZO_i386) && defined(__WATCOMC__)
# define __LZO_ENTRY __near __cdecl
# else
# define __LZO_ENTRY
# endif
#endif
/* DLL export information */
#if !defined(__LZO_EXPORT1)
# define __LZO_EXPORT1
#endif
#if !defined(__LZO_EXPORT2)
# define __LZO_EXPORT2
#endif
#if !defined(LZO_PUBLIC)
# define LZO_PUBLIC(_rettype) __LZO_EXPORT1 _rettype __LZO_EXPORT2 __LZO_ENTRY
#endif
#if !defined(LZO_EXTERN)
# define LZO_EXTERN(_rettype) __LZO_EXTERN_C LZO_PUBLIC(_rettype)
#endif
#if !defined(LZO_PRIVATE)
# define LZO_PRIVATE(_rettype) static _rettype __LZO_ENTRY
#endif
typedef int
(__LZO_ENTRY *lzo_compress_t) ( const lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem );
typedef int
(__LZO_ENTRY *lzo_decompress_t) ( const lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem );
typedef int
(__LZO_ENTRY *lzo_optimize_t) ( lzo_byte *src, lzo_uint src_len,
lzo_byte *dst, lzo_uint *dst_len,
lzo_voidp wrkmem );
/* a progress indicator callback function */
typedef void
(__LZO_ENTRY *lzo_progress_callback_t)(lzo_uint,lzo_uint);
/***********************************************************************
// 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) /* not used right now */
#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)
/* 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(LZO_VERSION,(int)sizeof(short),(int)sizeof(int),\
(int)sizeof(long),(int)sizeof(lzo_uint32),(int)sizeof(lzo_uint),\
(int)sizeof(lzo_voidp),(int)sizeof(lzo_compress_t))
LZO_EXTERN(int) __lzo_init(unsigned,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 _s1, const lzo_voidp _s2, lzo_uint _len);
LZO_EXTERN(lzo_voidp)
lzo_memcpy(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len);
LZO_EXTERN(lzo_voidp)
lzo_memmove(lzo_voidp _dest, const lzo_voidp _src, lzo_uint _len);
LZO_EXTERN(lzo_voidp)
lzo_memset(lzo_voidp _s, int _c, lzo_uint _len);
/* checksum functions */
LZO_EXTERN(lzo_uint32)
lzo_adler32(lzo_uint32 _adler, const lzo_byte *_buf, lzo_uint _len);
LZO_EXTERN(lzo_uint32)
lzo_crc32(lzo_uint32 _c, const lzo_byte *_buf, lzo_uint _len);
/* misc. */
LZO_EXTERN(lzo_bool) lzo_assert(int _expr);
LZO_EXTERN(int) _lzo_config_check(void);
/* align a char pointer on a boundary that is a multiple of `size' */
LZO_EXTERN(unsigned) __lzo_align_gap(const lzo_voidp _ptr, lzo_uint _size);
#define LZO_ALIGN(_ptr,_size) \
((_ptr) + (lzo_uint) __lzo_align_gap((const lzo_voidp)(_ptr),(lzo_uint)(_size)))
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* already included */
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