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/*
* history.c:
*
* Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
* All rights reserved.
*
*/
static char rcsid[] = "$Id$";
/*
* $Log$
* Revision 1.1 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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