mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-28 04:03:35 +08:00
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* Test for freopen implementation.
|
|
Copyright (C) 2000-2020 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;
|
|
}
|