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- /*
- * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
- * The President and Fellows of Harvard College.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- /*
- * filetest.c
- *
- * Tests the filesystem by opening, writing to and reading from a
- * user specified file.
- *
- * This should run (on SFS) even before the file system assignment is started.
- * It should also continue to work once said assignment is complete.
- * It will not run fully on emufs, because emufs does not support remove().
- */
- #include <stdio.h>
- #include <string.h>
- #include <unistd.h>
- #include <err.h>
- int
- main(int argc, char *argv[])
- {
- static char writebuf[40] = "Twiddle dee dee, Twiddle dum dum.......\n";
- static char readbuf[41];
- int fd, rv;
- if (argc!=2) {
- errx(1, "Usage: filetest <filename>");
- }
- fd = open(argv[1], O_WRONLY|O_CREAT|O_TRUNC, 0664);
- if (fd<0) {
- err(1, "%s: open for write", argv[1]);
- }
- rv = write(fd, writebuf, 40);
- if (rv<0) {
- err(1, "%s: write", argv[1]);
- }
- rv = close(fd);
- if (rv<0) {
- err(1, "%s: close (1st time)", argv[1]);
- }
- fd = open(argv[1], O_RDONLY);
- if (fd<0) {
- err(1, "%s: open for read", argv[1]);
- }
- rv = read(fd, readbuf, 40);
- if (rv<0) {
- err(1, "%s: read", argv[1]);
- }
- rv = close(fd);
- if (rv<0) {
- err(1, "%s: close (2nd time)", argv[1]);
- }
- /* ensure null termination */
- readbuf[40] = 0;
- if (strcmp(readbuf, writebuf)) {
- errx(1, "Buffer data mismatch!");
- }
- rv = remove(argv[1]);
- if (rv<0) {
- err(1, "%s: remove", argv[1]);
- }
- printf("Passed filetest.\n");
- return 0;
- }
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