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/* Test for freopen implementation.
Copyright (C) 2000-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <mcheck.h>
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
int
main (int argc, char *argv[])
{
FILE *fp;
mtrace ();
if (argc < 2)
exit (1);
fp = fopen (argv[1], "w");
if (fp == NULL)
{
puts ("fopen failed: %m");
exit (1);
}
fputs ("Hello world (mb)\n", fp);
fp = freopen (argv[1], "a+", fp);
if (fp == NULL)
{
puts ("freopen failed: %m");
exit (1);
}
fputws (L"Hello world (wc)\n", fp);
fclose (fp);
return 0;
}
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