2 * Copyright (c) 2003, Stockholms Universitet
3 * (Stockholm University, Stockholm Sweden)
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the university nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
38 #include <sys/types.h>
53 main(int argc
, char **argv
)
55 off_t large
= 2147483647; /* 2G-1; */
56 off_t larger
= ((uint64_t)1 << 33) + 1; /* 8G+1; */
59 const char *fn
= "f-file";
62 verbose_fp
= fdopen (4, "w");
63 if (verbose_fp
== NULL
) {
64 verbose_fp
= fopen ("/dev/null", "w");
65 if (verbose_fp
== NULL
)
69 if ((fd
= open(fn
, O_RDWR
|O_CREAT
|O_LARGEFILE
, 0600)) < 0)
72 pread(fd
, buf
, sizeof(buf
), large
);
74 if (ftruncate(fd
, large
- sizeof(buf
)) < 0) {
77 warnx("get yourself more quota for this test, you'll need at least 2G free");
81 pread(fd
, buf
, sizeof(buf
), large
- sizeof(buf
));
83 /* now try even larger */
84 pread(fd
, buf
, sizeof(buf
), larger
);
86 if (ftruncate(fd
, larger
+ sizeof(buf
)) < 0) {
87 if (errno
!= E2BIG
&& errno
!= EFBIG
)
88 err(1, "ftruncate > 32bit file");
89 fprintf(verbose_fp
, "ftruncate > 32bit file: %s(%d)\n",
90 strerror(errno
), errno
);
92 pread(fd
, buf
, sizeof(buf
), larger
);
94 if (ftruncate(fd
, 0) < 0)