shithub: rott

ref: b0719893dc8fa38fc97f95d773d00728b2ebc48d
dir: /rott/byteordr.c/

/*
Copyright (C) 2002 John R. Hall

This program 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.

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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
//***************************************************************************
//
//    byteordr.c - Byte order conversion routines.
//
//***************************************************************************

#include "rt_def.h"
#include "rt_util.h"
#include "byteordr.h"
#include "lumpy.h"

#define DEFINE_CONVERTER(type)            \
void Cvt_##type(void *lmp, int num)       \
{                                         \
    int i;                                \
    type *recs = (type *)lmp;             \
    for (i = 0; i < num; i++, recs++) {   \
        CONVERT_ENDIAN_##type(recs);      \
    }                                     \
}

DEFINE_CONVERTER(pic_t);
DEFINE_CONVERTER(lpic_t);
DEFINE_CONVERTER(font_t);
DEFINE_CONVERTER(lbm_t);
DEFINE_CONVERTER(patch_t);
DEFINE_CONVERTER(transpatch_t);
DEFINE_CONVERTER(cfont_t);


void CvtNull(void *lmp, int num)
{
    Debug("No-op endian converter on %p.\n", lmp);
}

// Returns converter for the designated type
converter_t CvtForType(int type)
{
    switch(type) {
    case cache_pic_t:
        return Cvt_pic_t;
        break;
    case cache_lpic_t:
        return Cvt_lpic_t;
        break;
    case cache_font_t:
        return Cvt_font_t;
        break;
    case cache_lbm_t:
        return Cvt_lbm_t;
        break;
    case cache_patch_t:
        return Cvt_patch_t;
        break;
    case cache_transpatch_t:
        return Cvt_transpatch_t;
        break;
    case cache_cfont_t:
        return Cvt_cfont_t;
        break;
    default:
        return CvtNull;
        break;
    }
}