1 /* $OpenBSD: misc.c,v 1.15 2006/03/22 18:08:04 dhill 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 40 #else 41 static char rcsid[] = "$OpenBSD: misc.c,v 1.15 2006/03/22 18:08:04 dhill Exp $"; 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 #include <sys/time.h> 47 #include <sys/uio.h> 48 49 #include <err.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <errno.h> 54 #include <time.h> 55 #include <unistd.h> 56 57 #include "dd.h" 58 #include "extern.h" 59 60 void 61 summary(void) 62 { 63 struct timeval nowtv; 64 char buf[4][100]; 65 struct iovec iov[4]; 66 double microsecs; 67 int i = 0; 68 69 (void)gettimeofday(&nowtv, (struct timezone *)NULL); 70 timersub(&nowtv, &st.startv, &nowtv); 71 microsecs = ((double)nowtv.tv_sec * 1000000) + nowtv.tv_usec; 72 if (microsecs == 0) 73 microsecs = 1; 74 75 /* Use snprintf(3) so that we don't reenter stdio(3). */ 76 (void)snprintf(buf[0], sizeof(buf[0]), 77 "%zu+%zu records in\n%zu+%zu records out\n", 78 st.in_full, st.in_part, st.out_full, st.out_part); 79 iov[i].iov_base = buf[0]; 80 iov[i++].iov_len = strlen(buf[0]); 81 82 if (st.swab) { 83 (void)snprintf(buf[1], sizeof(buf[1]), 84 "%zu odd length swab %s\n", 85 st.swab, (st.swab == 1) ? "block" : "blocks"); 86 iov[i].iov_base = buf[1]; 87 iov[i++].iov_len = strlen(buf[1]); 88 } 89 if (st.trunc) { 90 (void)snprintf(buf[2], sizeof(buf[2]), 91 "%zu truncated %s\n", 92 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 93 iov[i].iov_base = buf[2]; 94 iov[i++].iov_len = strlen(buf[2]); 95 } 96 (void)snprintf(buf[3], sizeof(buf[3]), 97 "%qd bytes transferred in %ld.%03ld secs (%0.0f bytes/sec)\n", 98 (long long)st.bytes, nowtv.tv_sec, nowtv.tv_usec / 1000, 99 ((double)st.bytes * 1000000) / microsecs); 100 101 iov[i].iov_base = buf[3]; 102 iov[i++].iov_len = strlen(buf[3]); 103 104 (void)writev(STDERR_FILENO, iov, i); 105 } 106 107 /* ARGSUSED */ 108 void 109 summaryx(int notused) 110 { 111 int save_errno = errno; 112 113 summary(); 114 errno = save_errno; 115 } 116 117 /* ARGSUSED */ 118 void 119 terminate(int notused) 120 { 121 122 summary(); 123 _exit(0); 124 } 125