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/* Test of yesno module.
Copyright (C) 2007-2023 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 3, 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, see <https://www.gnu.org/licenses/>.
*/
#include <config.h>
/* Specification. */
#include "yesno.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "closein.h"
#include "binary-io.h"
/* Test yesno. Without arguments, read one line. If first argument
is zero, close stdin before attempting to read one line.
Otherwise, read the number of lines specified by first
argument. */
int
main (int argc, char **argv)
{
int i = 1;
/* yesno recommends that all clients use close_stdin in main. */
atexit (close_stdin);
/* But on mingw, close_stdin leaves stdin's file descriptor at the expected
position (i.e. where this program left off reading) only if its mode has
been set to O_BINARY. If it has been set to O_TEXT, and the file
descriptor is seekable, and stdin is buffered, the MSVCRT runtime ends up
setting the file descriptor's position to the expected position _minus_
the number of LFs not preceded by CR that were read between the expected
position and the last filled buffer end position. (I.e. the repositioning
from the end-of-buffer to the expected position does not work if the input
file contains end-of-line markers in Unix convention.) */
set_binary_mode (0, O_BINARY);
if (1 < argc)
i = atoi (argv[1]);
if (!i)
{
i = 1;
close (0);
}
while (i--)
puts (yesno () ? "Y" : "N");
return 0;
}
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