1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
/* Simple test for some fts functions.
Copyright (C) 2015-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <sys/types.h>
#include <sys/stat.h>
#include <fts.h>
#include <errno.h>
#include <error.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
static void prepare (void);
static int do_test (void);
#define PREPARE(argc, argv) prepare ()
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
static char *fts_test_dir;
static void
make_dir (const char *dirname)
{
char *name;
if (asprintf (&name, "%s/%s", fts_test_dir, dirname) < 0)
{
puts ("out of memory");
exit (1);
}
if (mkdir (name, 0700) < 0)
{
printf ("cannot create dir \"%s\": %m\n", name);
exit (1);
}
add_temp_file (name);
}
static void
make_file (const char *filename)
{
char *name;
if (asprintf (&name, "%s/%s", fts_test_dir, filename) < 0)
{
puts ("out of memory");
exit (1);
}
int fd = open (name, O_WRONLY | O_CREAT | O_EXCL, 0600);
if (fd < 0)
{
printf ("cannot create file \"%s\": %m\n", name);
exit (1);
}
close (fd);
add_temp_file (name);
}
static void
prepare (void)
{
char *dirbuf;
char dir_name[] = "/tst-fts.XXXXXX";
if (asprintf (&dirbuf, "%s%s", test_dir, dir_name) < 0)
{
puts ("out of memory");
exit (1);
}
if (mkdtemp (dirbuf) == NULL)
{
puts ("cannot create temporary directory");
exit (1);
}
add_temp_file (dirbuf);
fts_test_dir = dirbuf;
make_file ("12");
make_file ("345");
make_file ("6789");
make_dir ("aaa");
make_file ("aaa/1234");
make_file ("aaa/5678");
make_dir ("bbb");
make_file ("bbb/1234");
make_file ("bbb/5678");
make_file ("bbb/90ab");
}
/* Largest name wins, otherwise strcmp. */
static int
compare_ents (const FTSENT **ent1, const FTSENT **ent2)
{
short len1 = (*ent1)->fts_namelen;
short len2 = (*ent2)->fts_namelen;
if (len1 != len2)
return len1 - len2;
else
{
const char *name1 = (*ent1)->fts_name;
const char *name2 = (*ent2)->fts_name;
return strcmp (name1, name2);
}
}
/* Count the number of files seen as children. */
static int files = 0;
static void
children (FTS *fts)
{
FTSENT *child = fts_children (fts, 0);
if (child == NULL && errno != 0)
{
printf ("FAIL: fts_children: %m\n");
exit (1);
}
while (child != NULL)
{
short level = child->fts_level;
const char *name = child->fts_name;
if (child->fts_info == FTS_F || child->fts_info == FTS_NSOK)
{
files++;
printf ("%*s%s\n", 2 * level, "", name);
}
child = child->fts_link;
}
}
/* Count the number of dirs seen in the test. */
static int dirs = 0;
static int
do_test (void)
{
char *paths[2] = { fts_test_dir, NULL };
FTS *fts;
fts = fts_open (paths, FTS_LOGICAL, &compare_ents);
if (fts == NULL)
{
printf ("FAIL: fts_open: %m\n");
exit (1);
}
FTSENT *ent;
while ((ent = fts_read (fts)) != NULL)
{
const char *name = ent->fts_name;
short level = ent->fts_level;
switch (ent->fts_info)
{
case FTS_F:
/* Don't show anything, children will have on parent dir. */
break;
case FTS_D:
printf ("%*s%s =>\n", 2 * level, "", name);
children (fts);
break;
case FTS_DP:
dirs++;
printf ("%*s<= %s\n", 2 * level, "", name);
break;
case FTS_NS:
case FTS_ERR:
printf ("FAIL: fts_read ent: %s\n", strerror (ent->fts_errno));
exit (1);
break;
default:
printf ("FAIL: unexpected fts_read ent %s\n", name);
exit (1);
break;
}
}
/* fts_read returns NULL when done (and clears errno)
or when an error occurred (with errno set). */
if (errno != 0)
{
printf ("FAIL: fts_read: %m\n");
exit (1);
}
if (fts_close (fts) != 0)
{
printf ("FAIL: fts_close: %m\n");
exit (1);
}
if (files != 8)
{
printf ("FAIL: Unexpected number of files: %d\n", files);
return 1;
}
if (dirs != 3)
{
printf ("FAIL: Unexpected number of dirs: %d\n", dirs);
return 1;
}
puts ("PASS");
return 0;
}
|
