make __cputchar visible, the back compatibility stuff uses it

[unix-history] / usr / src / lib / libcurses / touchwin.c

/*
* Copyright (c) 1981 Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#ifndef lint
static char sccsid[] = "@(#)touchwin.c  5.11 (Berkeley) %G%";
#endif /* not lint */

#include <curses.h>


/*
* touchline --
*      Touch a given line.
*/
int
touchline(win, y, sx, ex)
       WINDOW *win;
       register int y, sx, ex;
{
       return (__touchline(win, y, sx, ex, 1));
}


/*
* touchwin --
*      Make it look like the whole window has been changed.
*/
int
touchwin(win)
       register WINDOW *win;
{
       register int y, maxy;

#ifdef DEBUG
       __TRACE("touchwin: (%0.2o)\n", win);
#endif
       maxy = win->maxy;
       for (y = 0; y < maxy; y++)
               __touchline(win, y, 0, win->maxx - 1, 1);
       return (OK);
}


int
__touchwin(win)
       register WINDOW *win;
{
       register int y, maxy;

#ifdef DEBUG
       __TRACE("touchwin: (%0.2o)\n", win);
#endif
       maxy = win->maxy;
       for (y = 0; y < maxy; y++)
               __touchline(win, y, 0, win->maxx - 1, 0);
       return (OK);
}

int
__touchline(win, y, sx, ex, force)
       register WINDOW *win;
       register int y, sx, ex;
       int force;
{
#ifdef DEBUG
       __TRACE("touchline: (%0.2o, %d, %d, %d, %d)\n", win, y, sx, ex, force);
       __TRACE("touchline: first = %d, last = %d\n",
           *win->lines[y]->firstchp, *win->lines[y]->lastchp);
#endif
       if (force)
               win->lines[y]->flags |= __FORCEPAINT;
       sx += win->ch_off;
       ex += win->ch_off;
       if (!(win->lines[y]->flags & __ISDIRTY)) {
               win->lines[y]->flags |= __ISDIRTY;
               *win->lines[y]->firstchp = sx;
               *win->lines[y]->lastchp = ex;
       } else {
               if (*win->lines[y]->firstchp > sx)
                       *win->lines[y]->firstchp = sx;
               if (*win->lines[y]->lastchp < ex)
                       *win->lines[y]->lastchp = ex;
       }
#ifdef DEBUG
       __TRACE("touchline: first = %d, last = %d\n",
           *win->lines[y]->firstchp, *win->lines[y]->lastchp);
#endif
       return (OK);
}