mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
39 lines
971 B
C
39 lines
971 B
C
/* yesno.c -- read a yes/no response from stdin
|
|
Copyright (C) 1990 Free Software Foundation, Inc.
|
|
|
|
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, 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. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
/* Read one line from standard input
|
|
and return nonzero if that line begins with y or Y,
|
|
otherwise return 0. */
|
|
|
|
int
|
|
yesno ()
|
|
{
|
|
int c;
|
|
int rv;
|
|
|
|
fflush (stderr);
|
|
fflush (stdout);
|
|
c = getchar ();
|
|
rv = (c == 'y') || (c == 'Y');
|
|
while (c != EOF && c != '\n')
|
|
c = getchar ();
|
|
|
|
return rv;
|
|
}
|