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/* dvdisaster: Additional error correction for optical media.
* Copyright (C) 2004-2012 Carsten Gnoerlich.
* Project home page: http://www.dvdisaster.com
* Email: carsten@dvdisaster.com -or- cgnoerlich@fsfe.org
*
* 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,
* or direct your browser at http://www.gnu.org.
*/
#include "dvdisaster.h"
/***
*** A simple bitmap structure
***/
/*
* Allocate the bitmap
*/
Bitmap* CreateBitmap0(int size)
{ Bitmap *bm = g_malloc(sizeof(Bitmap));
bm->size = size;
bm->words = (size>>5)+1;
bm->bitmap = g_malloc0(bm->words*sizeof(guint32));
return bm;
}
/*
* Free it
*/
void FreeBitmap(Bitmap *bm)
{ if(bm->bitmap)
g_free(bm->bitmap);
g_free(bm);
}
/*
* Count the '1' bits in the bitmap
*/
int CountBits(Bitmap *bm)
{ int i;
int sum = 0;
for(i=0; i<bm->size; i++)
if(GetBit(bm, i))
sum++;
return sum;
}
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