1 /* Test if ftw function doesn't leak fds.
2 Copyright (C) 2003-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
31 cb (const char *name, const struct stat64 *st, int type)
33 return cb_called++ & 1;
39 char name[32] = "/tmp/ftwXXXXXX", *p;
40 int ret, i, result = 0, fd, fd1, fd2;
42 if (mkdtemp (name) == NULL)
44 printf ("Couldn't make temporary directory: %m\n");
47 p = strchr (name, '\0');
49 if (mkdir (name, 0755) < 0)
51 printf ("Couldn't make temporary subdirectory: %m\n");
56 ret = ftw64 (name, cb, 20);
59 printf ("ftw64 returned %d instead of 1", ret);
63 fd = open (name, O_RDONLY);
66 printf ("open failed: %m\n");
69 fd1 = open (name, O_RDONLY);
72 printf ("open failed: %m\n");
80 for (i = 0; i < 128; ++i)
82 ret = ftw64 (name, cb, 20);
85 printf ("ftw64 returned %d instead of 1", ret);
90 fd = open (name, O_RDONLY);
93 printf ("open failed: %m\n");
96 fd2 = open (name, O_RDONLY);
99 printf ("open failed: %m\n");
107 if (fd2 >= fd1 + 128)
109 printf ("ftw64 leaking fds: %d -> %d\n", fd1, fd2);
113 if (cb_called != 129 * 2)
115 printf ("callback called %d times\n", cb_called);