2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * 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
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sbin/hammer/hammer.c,v 1.1 2008/01/01 00:57:57 dillon Exp $
37 #include <sys/types.h>
38 #include <sys/diskslice.h>
39 #include <sys/diskmbr.h>
56 static void hammer_parsetime(u_int64_t *tidp, const char *timestr);
57 static void usage(int exit_code);
60 main(int ac, char **av)
65 while ((ch = getopt(ac, av, "h")) != -1) {
82 if (strcmp(av[0], "now") == 0) {
83 hammer_parsetime(&tid, "0s");
84 printf("0x%08x\n", (int)(tid / 1000000000LL));
85 } else if (strcmp(av[0], "stamp") == 0) {
88 hammer_parsetime(&tid, av[1]);
89 printf("0x%08x\n", (int)(tid / 1000000000LL));
98 * Parse a timestamp for the mount point
105 hammer_parsetime(u_int64_t *tidp, const char *timestr)
118 if (isalpha(timestr[strlen(timestr)-1])) {
119 if (sscanf(timestr, "%d%c", &n, &c) != 2)
145 localtime_r(&t, &tm);
146 seconds = (double)tm.tm_sec;
149 n = sscanf(timestr, "%4d%2d%2d:%2d%2d%lf",
150 &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
151 &tm.tm_hour, &tm.tm_min, &seconds);
154 tm.tm_sec = (int)seconds;
157 localtime_r(&t, &tm);
158 *tidp = (u_int64_t)t * 1000000000 +
159 (seconds - (int)seconds) * 1000000000;
169 "hammer stamp <time>\n"
171 fprintf(stderr, " time: +n[s/m/h/D/M/Y]\n"
172 " time: yyyymmdd[:hhmmss]\n");