busybox/libbb/ask_confirmation.c
Denys Vlasenko 0ef64bdb40 *: make GNU licensing statement forms more regular
This change retains "or later" state! No licensing _changes_ here,
only form is adjusted (article, space between "GPL" and "v2" and so on).

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-08-16 20:14:46 +02:00

28 lines
561 B
C

/* vi: set sw=4 ts=4: */
/*
* bb_ask_confirmation implementation for busybox
*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
/* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y',
* return 1. Otherwise return 0.
*/
#include "libbb.h"
int FAST_FUNC bb_ask_confirmation(void)
{
char first = 0;
int c;
while (((c = getchar()) != EOF) && (c != '\n')) {
if (first == 0 && !isblank(c)) {
first = c|0x20;
}
}
return first == 'y';
}