* sysdeps/unix/readdir.c: Make sure we don't modify errno when we reached EOF.
[glibc.git] / io / bug-ftw1.c
blob082f6fc83cc559e82405cf5ee2a613bf06f9f541
1 /* Test for ftw function searching in root directory.
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 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 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 #include <ftw.h>
22 #include <mcheck.h>
23 #include <stdio.h>
24 #include <string.h>
27 int result;
28 int cnt;
29 int sawroot;
32 static int
33 callback (const char *fname, const struct stat *st, int flag)
35 if (++cnt >= 10)
36 return 1;
38 printf ("%d: \"%s\" -> ", cnt, fname);
39 if (strcmp (fname, "/") == 0 && sawroot)
41 puts ("root directory reported twice");
42 result = 1;
44 else if (fname[0] != '/')
46 puts ("missing '/' as first character");
47 result = 1;
49 else if (fname[1] == '/')
51 puts ("double '/' at beginning");
52 result = 1;
54 else
56 puts ("OK");
57 sawroot |= strcmp (fname, "/") == 0;
60 return 0;
64 int
65 main (void)
67 mtrace ();
69 ftw ("/", callback, 10);
71 if (! sawroot)
73 puts ("root directory wasn't reported");
74 result = 1;
77 return result;