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
|
/* Some basic tests for LFS.
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
Contributed by Andreas Jaeger <aj@suse.de>, 2000.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <error.h>
#include <errno.h>
#include <sys/resource.h>
/* Prototype for our test function. */
extern void do_prepare (int argc, char *argv[]);
extern int do_test (int argc, char *argv[]);
/* We have a preparation function. */
#define PREPARE do_prepare
/* We might need a bit longer timeout. */
#define TIMEOUT 20 /* sec */
/* This defines the `main' function and some more. */
#include <test-skeleton.c>
/* These are for the temporary file we generate. */
char *name;
int fd;
/* 2^31 = 2GB. */
#define TWO_GB 2147483648LL
void
do_prepare (int argc, char *argv[])
{
char name_len;
struct rlimit64 rlim;
name_len = strlen (test_dir);
name = malloc (name_len + sizeof ("/lfsXXXXXX"));
mempcpy (mempcpy (name, test_dir, name_len),
"/lfsXXXXXX", sizeof ("/lfsXXXXXX"));
add_temp_file (name);
/* Open our test file. */
fd = mkstemp64 (name);
if (fd == -1)
{
if (errno == ENOSYS)
{
/* Fail silently. */
error (0, errno, "open64 is not supported");
exit (EXIT_SUCCESS);
}
else
error (EXIT_FAILURE, errno, "cannot create temporary file");
}
if (getrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
{
error (0, errno, "cannot get resource limit");
exit (0);
}
if (rlim.rlim_cur < TWO_GB + 200)
{
rlim.rlim_cur = TWO_GB + 200;
if (setrlimit64 (RLIMIT_FSIZE, &rlim) != 0)
{
error (0, errno, "cannot reset file size limits");
exit (0);
}
}
}
int
do_test (int argc, char *argv[])
{
int ret;
struct stat64 statbuf;
ret = lseek64 (fd, TWO_GB+100, SEEK_SET);
if (ret == -1 && errno == ENOSYS)
{
error (0, errno, "lseek64 is not supported");
exit (EXIT_SUCCESS);
}
if (ret == -1 && errno == EINVAL)
{
error (0, errno, "LFS seems not to be supported ");
exit (EXIT_SUCCESS);
}
ret = write (fd, "Hello", 5);
if (ret == -1 && errno == EINVAL)
{
error (0, errno, "LFS seems not to be supported.");
exit (EXIT_SUCCESS);
}
if (ret != 5)
error (EXIT_FAILURE, errno, "cannot write test string to large file");
ret = close (fd);
if (ret == -1)
error (EXIT_FAILURE, errno, "error closing file");
ret = stat64 (name, &statbuf);
if (ret == -1 && (errno == ENOSYS || errno == EOVERFLOW))
error (0, errno, "stat64 is not supported");
else if (ret == -1)
error (EXIT_FAILURE, errno, "cannot stat file `%s'", name);
else if (statbuf.st_size != (TWO_GB + 100 + 5))
error (EXIT_FAILURE, 0, "stat reported size %lld instead of %lld.",
(long long int) statbuf.st_size, (TWO_GB + 100 + 5));
return 0;
}
|
