xref: /original-bsd/lib/libcurses/delch.c (revision 2f46dd9e)
1 /*
2  * Copyright (c) 1981 Regents of the University of California.
3  * All rights reserved.
4  *
5  * %sccs.include.redist.c%
6  */
7 
8 #ifndef lint
9 static char sccsid[] = "@(#)delch.c	5.14 (Berkeley) 02/18/93";
10 #endif	/* not lint */
11 
12 #include <curses.h>
13 #include <string.h>
14 
15 /*
16  * wdelch --
17  *	Do an insert-char on the line, leaving (cury, curx) unchanged.
18  */
19 int
20 wdelch(win)
21 	register WINDOW *win;
22 {
23 	register __LDATA *end, *temp1, *temp2;
24 
25 	end = &win->lines[win->cury]->line[win->maxx - 1];
26 	temp1 = &win->lines[win->cury]->line[win->curx];
27 	temp2 = temp1 + 1;
28 	while (temp1 < end) {
29 		(void)memcpy(temp1, temp2, sizeof(__LDATA));
30 		temp1++, temp2++;
31 	}
32 	temp1->ch = ' ';
33 	temp1->attr = 0;
34 	__touchline(win, win->cury, win->curx, win->maxx - 1, 0);
35 	return (OK);
36 }
37