1 /* Test for ftw function searching in root directory.
2 Copyright (C) 2001-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
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.
9
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.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <ftw.h>
20 #include <mcheck.h>
21 #include <stdio.h>
22 #include <string.h>
23
24
25 int result;
26 int cnt;
27 int sawroot;
28
29
30 static int
callback(const char * fname,const struct stat * st,int flag)31 callback (const char *fname, const struct stat *st, int flag)
32 {
33 if (++cnt >= 10)
34 return 1;
35
36 printf ("%d: \"%s\" -> ", cnt, fname);
37 if (strcmp (fname, "/") == 0 && sawroot)
38 {
39 puts ("root directory reported twice");
40 result = 1;
41 }
42 else if (fname[0] != '/')
43 {
44 puts ("missing '/' as first character");
45 result = 1;
46 }
47 else if (fname[1] == '/')
48 {
49 puts ("double '/' at beginning");
50 result = 1;
51 }
52 else
53 {
54 puts ("OK");
55 sawroot |= strcmp (fname, "/") == 0;
56 }
57
58 return 0;
59 }
60
61
62 int
main(void)63 main (void)
64 {
65 mtrace ();
66
67 ftw ("/", callback, 10);
68
69 if (! sawroot)
70 {
71 puts ("root directory wasn't reported");
72 result = 1;
73 }
74
75 return result;
76 }
77