sub8.h

UPX 源代码

/* sub8.h -- simple delta filter

   This file is part of the UPX executable compressor.

   Copyright (C) 1996-2007 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1996-2007 Laszlo Molnar
   All Rights Reserved.

   UPX and the UCL library are free software; you can redistribute them
   and/or modify them 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.

   This program 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 this program; 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              Laszlo Molnar
   <[e-mail]>          <[e-mail]>
 */



/*************************************************************************
//
**************************************************************************/

#include "sub.hh"

#define SUB8(f, N)      SUB(f, N, unsigned char, get_8, set_8)
#define ADD8(f, N)      ADD(f, N, unsigned char, get_8, set_8)
#define SCAN8(f, N)     SCAN(f, N, unsigned char, get_8, set_8)


/*************************************************************************
//
**************************************************************************/

// filter
static int f_sub8_1(Filter *f)
{
    SUB8(f, 1)
}

static int f_sub8_2(Filter *f)
{
    SUB8(f, 2)
}

static int f_sub8_3(Filter *f)
{
    SUB8(f, 3)
}

static int f_sub8_4(Filter *f)
{
    SUB8(f, 4)
}


// unfilter
static int u_sub8_1(Filter *f)
{
    ADD8(f, 1)
}

static int u_sub8_2(Filter *f)
{
    ADD8(f, 2)
}

static int u_sub8_3(Filter *f)
{
    ADD8(f, 3)
}

static int u_sub8_4(Filter *f)
{
    ADD8(f, 4)
}


// scan
static int s_sub8_1(Filter *f)
{
    SCAN8(f, 1)
}

static int s_sub8_2(Filter *f)
{
    SCAN8(f, 2)
}

static int s_sub8_3(Filter *f)
{
    SCAN8(f, 3)
}

static int s_sub8_4(Filter *f)
{
    SCAN8(f, 4)
}


#undef SUB
#undef ADD
#undef SCAN
#undef SUB8
#undef ADD8
#undef SCAN8


/*
vi:ts=4:et:nowrap
*/