37 lines
751 B
C
37 lines
751 B
C
/* vi: set sw=4 ts=4: */
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/*
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* bb_ask_confirmation implementation for busybox
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*
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* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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/* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y',
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* return 1. Otherwise return 0.
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include "libbb.h"
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int bb_ask_confirmation(void)
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{
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int retval = 0;
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int first = 1;
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int c;
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while (((c = getchar()) != EOF) && (c != '\n')) {
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/* Make sure we get the actual function call for isspace,
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* as speed is not critical here. */
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if (first && !(isspace)(c)) {
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--first;
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if ((c == 'y') || (c == 'Y')) {
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++retval;
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}
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}
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}
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return retval;
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}
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