1 /* $OpenBSD: misc.c,v 1.10 2001/08/07 14:39:27 hugh Exp $ */ 2 /* $NetBSD: misc.c,v 1.4 1995/03/21 09:04:10 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Keith Muller of the University of California, San Diego and Lance 10 * Visser of Convex Computer Corporation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #ifndef lint 42 #if 0 43 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 44 #else 45 static char rcsid[] = "$OpenBSD: misc.c,v 1.10 2001/08/07 14:39:27 hugh Exp $"; 46 #endif 47 #endif /* not lint */ 48 49 #include <sys/types.h> 50 #include <sys/uio.h> 51 52 #include <err.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <errno.h> 57 #include <time.h> 58 #include <unistd.h> 59 60 #include "dd.h" 61 #include "extern.h" 62 63 void 64 summary() 65 { 66 struct timeval nowtv; 67 char buf[4][100]; 68 struct iovec iov[4]; 69 double microsecs; 70 int i = 0; 71 72 (void)gettimeofday(&nowtv, (struct timezone *)NULL); 73 timersub(&nowtv, &st.startv, &nowtv); 74 if ((microsecs = (nowtv.tv_sec * 1000000) + nowtv.tv_usec) == 0) 75 microsecs = 1; 76 77 /* Use snprintf(3) so that we don't reenter stdio(3). */ 78 (void)snprintf(buf[0], sizeof(buf[0]), 79 "%u+%u records in\n%u+%u records out\n", 80 st.in_full, st.in_part, st.out_full, st.out_part); 81 iov[i].iov_base = buf[0]; 82 iov[i++].iov_len = strlen(buf[0]); 83 84 if (st.swab) { 85 (void)snprintf(buf[1], sizeof(buf[1]), 86 "%u odd length swab %s\n", 87 st.swab, (st.swab == 1) ? "block" : "blocks"); 88 iov[i].iov_base = buf[1]; 89 iov[i++].iov_len = strlen(buf[1]); 90 } 91 if (st.trunc) { 92 (void)snprintf(buf[2], sizeof(buf[2]), 93 "%u truncated %s\n", 94 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 95 iov[i].iov_base = buf[2]; 96 iov[i++].iov_len = strlen(buf[2]); 97 } 98 (void)snprintf(buf[3], sizeof(buf[3]), 99 "%qd bytes transferred in %ld.%03ld secs (%0.0f bytes/sec)\n", 100 (long long)st.bytes, nowtv.tv_sec, nowtv.tv_usec / 1000, 101 ((double)st.bytes * 1000000) / microsecs); 102 103 iov[i].iov_base = buf[3]; 104 iov[i++].iov_len = strlen(buf[3]); 105 106 (void)writev(STDERR_FILENO, iov, i); 107 } 108 109 /* ARGSUSED */ 110 void 111 summaryx(notused) 112 int notused; 113 { 114 int save_errno = errno; 115 116 summary(); 117 errno = save_errno; 118 } 119 120 /* ARGSUSED */ 121 void 122 terminate(notused) 123 int notused; 124 { 125 126 summary(); 127 _exit(0); 128 } 129