hush/libbb/ask_confirmation.c
Denys Vlasenko c0dab37d0a *: remove last function calls to isspace
function                                             old     new   delta
xstrtoul_range_sfx                                   232     231      -1
xstrtoull_range_sfx                                  295     293      -2
trim                                                  82      80      -2
trim_trailing_spaces_and_print                        57      52      -5
isspace                                               18       -     -18

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-10-22 22:28:08 +02:00

33 lines
622 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 tarball for details.
*/
/* 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)
{
int retval = 0;
int first = 1;
int c;
while (((c = getchar()) != EOF) && (c != '\n')) {
if (first && !isspace(c)) {
--first;
if ((c == 'y') || (c == 'Y')) {
++retval;
}
}
}
return retval;
}