Add regression tests section for LFS. First regression test is based on
IWAMOTO Toshihiro's test program submitted with PR #9994, modified to perform the same operations on a control file, presumably held in a known-working filesystem. Test and control files are compared with "diff" after the run (assuming that the kernel does not panic, which is really the main point of the test). Not included in the parent Makefile's list, as it requires the existence of an LFS of some size.
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perseant
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195
regress/sys/fs/lfs/9994/9994_f.c
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regress/sys/fs/lfs/9994/9994_f.c
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/* $NetBSD: 9994_f.c,v 1.1 2002/08/02 19:10:50 perseant Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by IWAMOTO Toshihiro <iwamoto@sat.t.u-tokyo.ac.jp> and Konrad E. Schroder
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* <perseant@hhhh.org>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Regression test based on test program submutted with NetBSD PR #9994.
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* Two files are opened, one in the current directory and another in a
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* control directory (in another filesystem). Random read, write, and
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* truncate operations are performed on both files.
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*
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* An error return indicates that an operation failed on one of the files
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* (control *or* test, either one).
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*
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* A zero return indicates success; the two files should be identical.
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* (This program does not test to make sure that they are identical.)
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*/
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#define CONTROL_ERROR 1
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#define TEST_ERROR 2
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int main(int argc, char **argv)
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{
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int bsize, quiet, usepid;
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char *hoge, *buf;
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char prop[] = "/\b-\b\\\b|\b";
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int testfd, controlfd;
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int c, i, j, k, n, p;
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char *ctldir;
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unsigned long rseed;
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const char *prog = getprogname();
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bsize = 8192;
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n = 10000;
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ctldir = "/var/tmp";
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quiet = 0;
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usepid = 0;
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rseed = time(0);
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while ((c = getopt(argc, argv, "b:c:n:pqs:")) != -1) {
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switch(c) {
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case 'b':
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bsize = atoi(optarg);
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break;
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case 'c':
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ctldir = optarg;
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break;
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case 'n':
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n = atoi(optarg);
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break;
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case 'p':
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++usepid;
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break;
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case 'q':
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++quiet;
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break;
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case 's':
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rseed = strtoul(optarg, NULL, 0);
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break;
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default:
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errx(1, "usage: %s [-b bsize] [-c control-dir] [-n count] [-pq] [-s randseed]\n", prog);
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/* NOTREACHED */
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}
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}
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srandom(rseed);
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hoge = (char *)malloc(bsize);
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buf = (char *)malloc(bsize);
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for(i = 0; i < bsize; i++)
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hoge[i] = random() & 0xff;
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/* Set up test and control file descriptors */
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if (usepid)
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sprintf(buf, "test.%d", getpid());
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else
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sprintf(buf, "test");
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unlink(buf);
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testfd = open(buf, O_RDWR | O_CREAT, 0644);
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if (testfd < 0) {
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perror("open");
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exit(TEST_ERROR);
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}
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if (usepid)
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sprintf(buf, "%s/control.%d", ctldir, getpid());
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else
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sprintf(buf, "%s/control", ctldir);
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unlink(buf);
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controlfd = open(buf, O_RDWR | O_CREAT, 0644);
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if (controlfd < 0) {
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perror("open");
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exit(CONTROL_ERROR);
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}
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for(i = 0, p = 0; i < n; i++) {
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if (!quiet) {
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/* Draw propeller */
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p = (p + 1) % 4;
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write(1, prop + 2 * p, 2);
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}
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j = random() % 3;
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k = random() & 0x3fffff;
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if (j != 2) {
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if (lseek(testfd, k, SEEK_SET) < 0) {
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perror("read");
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exit(TEST_ERROR);
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}
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if (lseek(controlfd, k, SEEK_SET) < 0) {
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perror("read");
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exit(CONTROL_ERROR);
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}
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}
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switch(j) {
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case 0:
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if (read(testfd, buf, bsize) < 0) {
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perror("read");
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exit(TEST_ERROR);
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}
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if (read(controlfd, buf, bsize) < 0) {
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perror("read");
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exit(CONTROL_ERROR);
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}
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break;
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case 1:
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if (write(testfd, hoge, bsize) < 0) {
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perror("write");
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exit(TEST_ERROR);
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}
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if (write(controlfd, hoge, bsize) < 0) {
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perror("write");
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exit(CONTROL_ERROR);
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}
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break;
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case 2:
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if (ftruncate(testfd, k) < 0) {
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perror("write");
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exit(TEST_ERROR);
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}
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if (ftruncate(controlfd, k) < 0) {
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perror("write");
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exit(CONTROL_ERROR);
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}
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break;
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}
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j = random() % (100 * 1000);
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usleep(j);
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}
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exit(0);
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}
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17
regress/sys/fs/lfs/9994/Makefile
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17
regress/sys/fs/lfs/9994/Makefile
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# $NetBSD: Makefile,v 1.1 2002/08/02 19:10:50 perseant Exp $
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PROG= 9994_f
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NOMAN= # defined
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TMP?= /tmp
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TESTFS?=.
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regress: ${PROG}
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@cp ${PROG} ${TESTFS}
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@cd ${TESTFS} && ./${PROG} -c ${TMP} -n 1000 -q || (echo 'test failed' && exit 1)
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@diff -q ${TESTFS}/test ${TMP}/control || (echo 'incorrect results' && exit 1)
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@rm -f ${TESTFS}/test ${TMP}/control ${TESTFS}/${PROG}
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clean:
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rm -f test control
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.include <bsd.prog.mk>
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5
regress/sys/fs/lfs/Makefile
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5
regress/sys/fs/lfs/Makefile
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# $NetBSD: Makefile,v 1.1 2002/08/02 19:10:49 perseant Exp $
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SUBDIR= 9994
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.include <bsd.subdir.mk>
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