1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University 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. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 31 * SUCH DAMAGE. 32 * 33 * @(#)misc.c 8.3 (Berkeley) 4/2/94 34 * $FreeBSD: src/bin/dd/misc.c,v 1.18.2.1 2001/08/01 01:40:03 obrien Exp $ 35 * $DragonFly: src/bin/dd/misc.c,v 1.6 2008/01/28 16:08:02 matthias Exp $ 36 */ 37 38 #include <sys/types.h> 39 #include <sys/time.h> 40 41 #include <errno.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <strings.h> 45 #include <unistd.h> 46 47 #include "dd.h" 48 #include "extern.h" 49 50 void 51 summary(void) 52 { 53 struct timeval tv; 54 double secs; 55 char buf[100]; 56 57 gettimeofday(&tv, (struct timezone *)NULL); 58 secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start; 59 if (secs < 1e-6) 60 secs = 1e-6; 61 /* Use snprintf(3) so that we don't reenter stdio(3). */ 62 snprintf(buf, sizeof(buf), 63 "%llu+%llu records in\n%llu+%llu records out\n", 64 st.in_full, st.in_part, st.out_full, st.out_part); 65 write(STDERR_FILENO, buf, strlen(buf)); 66 if (st.swab) { 67 snprintf(buf, sizeof(buf), "%llu odd length swab %s\n", 68 st.swab, (st.swab == 1) ? "block" : "blocks"); 69 write(STDERR_FILENO, buf, strlen(buf)); 70 } 71 if (st.trunc) { 72 snprintf(buf, sizeof(buf), "%llu truncated %s\n", 73 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 74 write(STDERR_FILENO, buf, strlen(buf)); 75 } 76 snprintf(buf, sizeof(buf), 77 "%llu bytes transferred in %.6f secs (%.0f bytes/sec)\n", 78 st.bytes, secs, st.bytes / secs); 79 write(STDERR_FILENO, buf, strlen(buf)); 80 } 81 82 /* ARGSUSED */ 83 void 84 summaryx(int notused __unused) 85 { 86 int save_errno = errno; 87 88 summary(); 89 errno = save_errno; 90 } 91 92 /* ARGSUSED */ 93 void 94 terminate(int sig) 95 { 96 97 summary(); 98 _exit(sig == 0 ? 0 : 1); 99 } 100