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

# include	"curses.h"

# define	min(a,b)	(a < b ? a : b)

/*
 *	This routine writes win1 on win2 destructively.
 *
 * 1/26/81 (Berkeley) @(#)overwrite.c	1.1
 */
overwrite(win1, win2)
reg WINDOW	*win1, *win2; {

	reg int		x, y, minx, miny, starty;

# ifdef DEBUG
	fprintf(outf, "OVERWRITE(0%o, 0%o);\n", win1, win2);
# endif
	miny = min(win1->_maxy, win2->_maxy);
	minx = min(win1->_maxx, win2->_maxx);
# ifdef DEBUG
	fprintf(outf, "OVERWRITE:\tminx = %d,  miny = %d\n", minx, miny);
# endif
	starty = win1->_begy - win2->_begy;
	for (y = 0; y < miny; y++)
		if (wmove(win2, y + starty, 0) != ERR)
			for (x = 0; x < minx; x++)
				waddch(win2, win1->_y[y][x]);
}
Commit	Line	Data
b17f6be0 KA	1	# include "curses.h"
	2
	3	# define min(a,b) (a < b ? a : b)
	4
	5	/*
	6	* This routine writes win1 on win2 destructively.
	7	*
4b9ccde7	8	* 1/26/81 (Berkeley) @(#)overwrite.c 1.1
b17f6be0 KA	9	*/
	10	overwrite(win1, win2)
	11	reg WINDOW win1, win2; {
	12
	13	reg int x, y, minx, miny, starty;
	14
	15	# ifdef DEBUG
	16	fprintf(outf, "OVERWRITE(0%o, 0%o);\n", win1, win2);
	17	# endif
	18	miny = min(win1->_maxy, win2->_maxy);
	19	minx = min(win1->_maxx, win2->_maxx);
	20	# ifdef DEBUG
	21	fprintf(outf, "OVERWRITE:\tminx = %d, miny = %d\n", minx, miny);
	22	# endif
	23	starty = win1->_begy - win2->_begy;
	24	for (y = 0; y < miny; y++)
	25	if (wmove(win2, y + starty, 0) != ERR)
	26	for (x = 0; x < minx; x++)
	27	waddch(win2, win1->_y[y][x]);
	28	}