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/* $OpenBSD: util.c,v 1.1 2018/12/17 19:26:25 anton Exp $ */
/*
* Copyright (c) 2018 Anton Lindqvist <anton@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static __dead void usage(void);
int
dotest(int argc, char *argv[], const struct test *tests)
{
const struct test *test;
const char *dev = NULL;
int c, fd;
while ((c = getopt(argc, argv, "d:")) != -1)
switch (c) {
case 'd':
dev = optarg;
break;
default:
usage();
}
argc -= optind;
argv += optind;
if (dev == NULL || argc != 1)
usage();
fd = open(dev, O_RDWR);
if (fd == -1)
err(1, "open: %s", dev);
for (test = tests; test->t_name != NULL; test++) {
if (strcmp(argv[0], test->t_name) == 0)
break;
}
if (test->t_name == NULL)
errx(1, "%s: no such test", argv[0]);
return test->t_func(fd);
}
static __dead void
usage(void)
{
fprintf(stderr, "usage: %s -d device test\n", getprogname());
exit(1);
}
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