1 /* $OpenBSD: misc.c,v 1.13 2003/06/11 23:42:12 deraadt 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 1.13 2003/06/11 23:42:12 deraadt Exp $"; 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 #include <sys/uio.h> 47 48 #include <err.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <string.h> 52 #include <errno.h> 53 #include <time.h> 54 #include <unistd.h> 55 56 #include "dd.h" 57 #include "extern.h" 58 59 void 60 summary(void) 61 { 62 struct timeval nowtv; 63 char buf[4][100]; 64 struct iovec iov[4]; 65 double microsecs; 66 int i = 0; 67 68 (void)gettimeofday(&nowtv, (struct timezone *)NULL); 69 timersub(&nowtv, &st.startv, &nowtv); 70 microsecs = ((double)nowtv.tv_sec * 1000000) + nowtv.tv_usec; 71 if (microsecs == 0) 72 microsecs = 1; 73 74 /* Use snprintf(3) so that we don't reenter stdio(3). */ 75 (void)snprintf(buf[0], sizeof(buf[0]), 76 "%u+%u records in\n%u+%u records out\n", 77 st.in_full, st.in_part, st.out_full, st.out_part); 78 iov[i].iov_base = buf[0]; 79 iov[i++].iov_len = strlen(buf[0]); 80 81 if (st.swab) { 82 (void)snprintf(buf[1], sizeof(buf[1]), 83 "%u odd length swab %s\n", 84 st.swab, (st.swab == 1) ? "block" : "blocks"); 85 iov[i].iov_base = buf[1]; 86 iov[i++].iov_len = strlen(buf[1]); 87 } 88 if (st.trunc) { 89 (void)snprintf(buf[2], sizeof(buf[2]), 90 "%u truncated %s\n", 91 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 92 iov[i].iov_base = buf[2]; 93 iov[i++].iov_len = strlen(buf[2]); 94 } 95 (void)snprintf(buf[3], sizeof(buf[3]), 96 "%qd bytes transferred in %ld.%03ld secs (%0.0f bytes/sec)\n", 97 (long long)st.bytes, nowtv.tv_sec, nowtv.tv_usec / 1000, 98 ((double)st.bytes * 1000000) / microsecs); 99 100 iov[i].iov_base = buf[3]; 101 iov[i++].iov_len = strlen(buf[3]); 102 103 (void)writev(STDERR_FILENO, iov, i); 104 } 105 106 /* ARGSUSED */ 107 void 108 summaryx(int notused) 109 { 110 int save_errno = errno; 111 112 summary(); 113 errno = save_errno; 114 } 115 116 /* ARGSUSED */ 117 void 118 terminate(int notused) 119 { 120 121 summary(); 122 _exit(0); 123 } 124