diff options
Diffstat (limited to 'release/src/router/busybox/libbb/ask_confirmation.c')
| -rw-r--r-- | release/src/router/busybox/libbb/ask_confirmation.c | 61 |
1 files changed, 21 insertions, 40 deletions
diff --git a/release/src/router/busybox/libbb/ask_confirmation.c b/release/src/router/busybox/libbb/ask_confirmation.c index f2922379..d08bc515 100644 --- a/release/src/router/busybox/libbb/ask_confirmation.c +++ b/release/src/router/busybox/libbb/ask_confirmation.c @@ -1,53 +1,34 @@ /* vi: set sw=4 ts=4: */ /* - * Utility routines. + * bb_ask_confirmation implementation for busybox * - * Copyright (C) tons of folks. Tracking down who wrote what - * isn't something I'm going to worry about... If you wrote something - * here, please feel free to acknowledge your work. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - * Based in part on code from sash, Copyright (c) 1999 by David I. Bell - * Permission has been granted to redistribute this code under the GPL. + * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <stdio.h> -#include "libbb.h" +/* Read a line from stdin. If the first non-whitespace char is 'y' or 'Y', + * return 1. Otherwise return 0. + */ +#include "libbb.h" -int ask_confirmation() +int FAST_FUNC bb_ask_confirmation(void) { - int c = '\0'; - int ret = 0; + int retval = 0; + int first = 1; + int c; - while (c != '\n') { - c = getchar(); - if ( c != '\n' ) { - ret = ((c=='y')||(c=='Y')) ? 1 : 0; + while (((c = getchar()) != EOF) && (c != '\n')) { + /* Make sure we get the actual function call for isspace, + * as speed is not critical here. */ + if (first && !(isspace)(c)) { + --first; + if ((c == 'y') || (c == 'Y')) { + ++retval; + } } } - return ret; -} -/* END CODE */ -/* -Local Variables: -c-file-style: "linux" -c-basic-offset: 4 -tab-width: 4 -End: -*/ + return retval; +} |