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
42 #include <sys/types.h>
51 #define TEST_BUFFER_SZ (1024*8)
54 main(int argc, char **argv)
56 const char *file = "foo";
57 char otherbuf[TEST_BUFFER_SZ];
58 char buf[TEST_BUFFER_SZ];
62 fd = open(file, O_RDWR | O_TRUNC | O_CREAT, 0644);
64 err(1, "open(%s)", file);
66 if (write(fd, buf, sizeof(buf)) != sizeof(buf))
70 if (lseek(fd, 0, SEEK_SET) < 0)
73 if (read(fd, otherbuf, sizeof(otherbuf)) != sizeof(otherbuf)) {
76 if (fstat(fd, &sb) < 0)
78 printf("size: %d\n", (int)sb.st_size);
79 printf("lseek(SEEK_CUR): %d\n", (int)lseek(fd, 0, SEEK_CUR));
83 if (memcmp(buf, otherbuf, sizeof(buf)) != 0)
84 errx(1, "buf != otherbuf");