lutil.h

lzo-1.08-src.zip 高效的压缩解压代码

/* lutil.h -- utilities

   This file is part of the LZO real-time data compression library.

   Copyright (C) 1996-2002 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.,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

   Markus F.X.J. Oberhumer
   <[e-mail]>
 */


#include <lzoconf.h>

#include <stdio.h>
#include <stddef.h>
#if !defined(NO_STDLIB_H)
#  include <stdlib.h>
#endif
#include <string.h>
#include <ctype.h>
#if defined(HAVE_UNISTD_H) || defined(__DJGPP__) || defined(__EMX__)
#  include <unistd.h>
#elif defined(__CYGWIN__) || defined(__CYGWIN32__) || defined(__MINGW32__)
#  include <unistd.h>
#endif
#if defined(HAVE_STAT)
#  include <sys/types.h>
#  include <sys/stat.h>
#endif


/* allow the example programs to work with previous versions */

#if (LZO_VERSION < 0x1030)
#  define LZO1X_1_MEM_COMPRESS	LZO1X_MEM_COMPRESS
#  define lzo_malloc(s)			((lzo_byte *) malloc(s))
#  define lzo_free(p)			((p) ? (void)free(p) : (void)0)
#endif

#if (LZO_VERSION < 0x1030)
#  define lzo_fread(f,b,s)      (fread(b,1,s,f))
#  define lzo_fwrite(f,b,s)     (fwrite(b,1,s,f))
#else
#  include <lzoutil.h>
#endif


/* some systems have a xmalloc in their C library... */
#undef xmalloc
#undef xfree
#undef xread
#undef xwrite
#undef xputc
#undef xgetc
#undef xread32
#undef xwrite32
#define xmalloc		my_xmalloc
#define xfree		my_xfree


#define HEAP_ALLOC(var,size) \
	lzo_align_t __LZO_MMODEL var [ ((size) + (sizeof(lzo_align_t) - 1)) / sizeof(lzo_align_t) ]


/*
vi:ts=4
*/