2 * Copyright (c) 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, 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 Institute 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * 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 INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #include <sys/types.h>
50 #define FILE_SIZE (64*1024)
53 doit (const char *filename
)
58 fd
= open (filename
, O_RDWR
| O_TRUNC
| O_CREAT
, 0666);
60 err (1, "open %s", filename
);
61 if (lseek (fd
, (off_t
)(FILE_SIZE
), SEEK_SET
) != FILE_SIZE
)
62 err (1, "lseek %s", filename
);
63 if (write (fd
, "hej", 3) != 3)
64 err (1, "write to %s", filename
);
66 err (1, "close %s", filename
);
67 if (stat (filename
, &sb
) < 0)
68 err (1, "stat %s", filename
);
69 if (unlink (filename
) < 0)
70 err (1, "unlink %s", filename
);
71 if (sb
.st_blocks
== 0)
72 errx (1, "st_blocks == 0");
76 main(int argc
, char **argv
)
78 setprogname (argv
[0]);
85 errx (1, "usage: %s [filename]", argv
[0]);