-/* yesno.c -- read a yes/no response from stdin
- Copyright (C) 1990, 1998 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.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software Foundation,
- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <ctype.h>
-#if HAVE_STDLIB_H
-# include <stdlib.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 rpmatch ();
-
-int
-yesno ()
-{
- /* We make some assumptions here:
- a) leading white space in the response are not vital
- b) the first 128 characters of the answer are enough (the rest can
- be ignored)
- I cannot think for a situation where this is not ok. --drepper@gnu */
- char buf[128];
- int len = 0;
- int c;
-
- while ((c = getchar ()) != EOF && c != '\n')
- if ((len > 0 && len < 127) || (len == 0 && !isspace (c)))
- buf[len++] = c;
- buf[len] = '\0';
-
- return rpmatch (buf) == 1;
-}