1 /* Test of freadptr() function.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
27 #define ASSERT(expr) \
32 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
39 freadptrbufsize (FILE *fp)
48 main (int argc, char **argv)
50 int nbytes = atoi (argv[1]);
53 void *buf = malloc (nbytes);
54 ASSERT (fread (buf, 1, nbytes, stdin) == nbytes);
58 ASSERT (freadptrbufsize (stdin) == 0);
61 if (lseek (0, 0, SEEK_CUR) == nbytes)
62 /* An unbuffered stdio, such as BeOS or on uClibc compiled without
64 ASSERT (freadptrbufsize (stdin) == 0);
66 /* Normal buffered stdio. */
67 ASSERT (freadptrbufsize (stdin) != 0);