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/* This file is part of Eclat.
Copyright (C) 2012 Sergey Poznyakoff.
Eclat 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 3, or (at your option)
any later version.
Eclat 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 Eclat. If not, see <http://www.gnu.org/licenses/>. */
#include "libeclat.h"
#include <sysexits.h>
int eclat_confirm_mode = -1;
int
eclat_confirm(const char *prompt, ...)
{
int rc;
va_list ap;
if (!isatty(0) || eclat_confirm_mode >= 0) {
if (eclat_confirm_mode == -1)
die(EX_USAGE, "stdin not a terminal and no default response provided; use -Y or -N option to override");
return eclat_confirm_mode;
}
va_start(ap, prompt);
rc = eclat_vgetyn(!!eclat_confirm_mode, prompt, ap);
va_end(ap);
return rc;
}
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