1/* vi: set sw=4 ts=4: */
2/*
3 * bb_ask_confirmation implementation for busybox
4 *
5 * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
6 *
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 */
9
10/* Read a line from stdin.  If the first non-whitespace char is 'y' or 'Y',
11 * return 1.  Otherwise return 0.
12 */
13#include "libbb.h"
14
15int FAST_FUNC bb_ask_confirmation(void)
16{
17	char first = 0;
18	int c;
19
20	while (((c = getchar()) != EOF) && (c != '\n')) {
21		if (first == 0 && !isblank(c)) {
22			first = c|0x20;
23		}
24	}
25
26	return first == 'y';
27}
28