f14452ec3c
* libmisc/yesno.c: Avoid implicit conversion of pointers to booleans. * libmisc/yesno.c: The return value of fflush is not checked on purpose.
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*
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* Copyright (c) 1992 - 1994, Julianne Frances Haugh
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* Copyright (c) 2007 - 2008, Nicolas François
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the copyright holders or contributors may not be used to
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* endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Common code for yes/no prompting
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*
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* Used by pwck.c and grpck.c
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*/
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#include <config.h>
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#ident "$Id$"
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#include <stdio.h>
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#include "prototypes.h"
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/*
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* yes_or_no - get answer to question from the user
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*
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* It returns false if no.
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*
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* If the read_only flag is set, it will print No, and will return
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* false.
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*/
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bool yes_or_no (bool read_only)
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{
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char buf[80];
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/*
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* In read-only mode all questions are answered "no".
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*/
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if (read_only) {
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puts (_("No"));
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return false;
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}
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/*
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* Typically, there's a prompt on stdout, sometimes unflushed.
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*/
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(void) fflush (stdout);
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/*
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* Get a line and see what the first character is.
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*/
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/* TODO: use gettext */
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if (fgets (buf, sizeof buf, stdin) == buf) {
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return buf[0] == 'y' || buf[0] == 'Y';
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}
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return false;
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}
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