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/*
* history.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
* All rights reserved.
*
*/
static char rcsid[] = "$Id$";
/*
* $Log$
* Revision 1.2 2008/02/12 22:36:46 james
* *** empty log message ***
*
* Revision 1.1 2008/02/08 15:06:42 james
* *** empty log message ***
*
*/
#include "project.h"
History *
history_new (int n)
{
History *ret;
ret = (History *) malloc (sizeof (History));
ret->lines = malloc (n * sizeof (History_ent));
memset (ret->lines, 0, n * sizeof (History_ent));
ret->wptr = 0;
ret->nlines = n;
return ret;
}
void
history_free (History * h)
{
if (!h)
return;
if (h->lines)
free (h->lines);
free (h);
}
void
history_add (History * h, CRT_CA * c)
{
if (!h)
return;
memcpy (h->lines[h->wptr].line, c, sizeof (CRT_CA) * CRT_COLS);
h->wptr++;
if (h->wptr == h->nlines)
h->wptr = 0;
}
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