Update.
[glibc.git] / libio / test-freopen.c
blob6eaa5e67b6692ef3259639c50aa3d6429ba4a866
1 /* Test for freopen implementation.
2 Copyright (C) 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <mcheck.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <wchar.h>
26 int
27 main (int argc, char *argv[])
29 FILE *fp;
31 mtrace ();
33 if (argc < 2)
34 exit (1);
36 fp = fopen (argv[1], "w");
37 if (fp == NULL)
39 puts ("fopen failed: %m");
40 exit (1);
43 fputs ("Hello world (mb)\n", fp);
45 fp = freopen (argv[1], "a+", fp);
46 if (fp == NULL)
48 puts ("freopen failed: %m");
49 exit (1);
52 fputws (L"Hello world (wc)\n", fp);
54 fclose (fp);
56 return 0;