1 /* yesno.c -- read a yes/no response from stdin
3 Copyright (C) 1990, 1998, 2001, 2003, 2004, 2005, 2006 Free
4 Software Foundation, Inc.
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
31 /* Return true if we read an affirmative line from standard input. */
33 extern int rpmatch (char const *response);
41 char *response = NULL;
42 size_t response_size = 0;
43 ssize_t response_len = getline (&response, &response_size, stdin);
45 if (response_len <= 0)
49 response[response_len - 1] = '\0';
50 yes = (0 < rpmatch (response));
55 /* Test against "^[yY]", hardcoded to avoid requiring getline,
56 regex, and rpmatch. */
58 yes = (c == 'y' || c == 'Y');
59 while (c != '\n' && c != EOF)