2 * Copyright (c) 1992 - 1994, Julianne Frances Haugh
3 * Copyright (c) 2007 - 2008, Nicolas François
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the copyright holders or contributors may not be used to
15 * endorse or promote products derived from this software without
16 * specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
21 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 * Common code for yes/no prompting
34 * Used by pwck.c and grpck.c
39 #ident "$Id: yesno.c 2765 2009-04-23 11:14:56Z nekral-guest $"
42 #include "prototypes.h"
45 * yes_or_no - get answer to question from the user
47 * It returns false if no.
49 * If the read_only flag is set, it will print No, and will return
52 bool yes_or_no (bool read_only)
57 * In read-only mode all questions are answered "no".
60 (void) puts (_("No"));
65 * Typically, there's a prompt on stdout, sometimes unflushed.
67 (void) fflush (stdout);
70 * Get a line and see what the first character is.
72 /* TODO: use gettext */
73 if (fgets (buf, (int) sizeof buf, stdin) == buf) {
74 return buf[0] == 'y' || buf[0] == 'Y';