1 /* $OpenBSD: misc.c,v 1.21 2017/08/13 02:06:42 tedu 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 #include <sys/types.h> 38 #include <sys/time.h> 39 #include <sys/uio.h> 40 41 #include <err.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <errno.h> 46 #include <time.h> 47 #include <unistd.h> 48 49 #include "dd.h" 50 #include "extern.h" 51 52 void 53 summary(void) 54 { 55 struct timespec elapsed, now; 56 char buf[4][100]; 57 struct iovec iov[4]; 58 double nanosecs; 59 int i = 0; 60 61 if (ddflags & C_NOINFO) 62 return; 63 64 clock_gettime(CLOCK_MONOTONIC, &now); 65 timespecsub(&now, &st.start, &elapsed); 66 nanosecs = ((double)elapsed.tv_sec * 1000000000) + elapsed.tv_nsec; 67 if (nanosecs == 0) 68 nanosecs = 1; 69 70 /* Use snprintf(3) so that we don't reenter stdio(3). */ 71 (void)snprintf(buf[0], sizeof(buf[0]), 72 "%zu+%zu records in\n%zu+%zu records out\n", 73 st.in_full, st.in_part, st.out_full, st.out_part); 74 iov[i].iov_base = buf[0]; 75 iov[i++].iov_len = strlen(buf[0]); 76 77 if (st.swab) { 78 (void)snprintf(buf[1], sizeof(buf[1]), 79 "%zu odd length swab %s\n", 80 st.swab, (st.swab == 1) ? "block" : "blocks"); 81 iov[i].iov_base = buf[1]; 82 iov[i++].iov_len = strlen(buf[1]); 83 } 84 if (st.trunc) { 85 (void)snprintf(buf[2], sizeof(buf[2]), 86 "%zu truncated %s\n", 87 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 88 iov[i].iov_base = buf[2]; 89 iov[i++].iov_len = strlen(buf[2]); 90 } 91 if (!(ddflags & C_NOXFER)) { 92 (void)snprintf(buf[3], sizeof(buf[3]), 93 "%lld bytes transferred in %lld.%03ld secs " 94 "(%0.0f bytes/sec)\n", (long long)st.bytes, 95 (long long)elapsed.tv_sec, elapsed.tv_nsec / 1000000, 96 ((double)st.bytes * 1000000000) / nanosecs); 97 iov[i].iov_base = buf[3]; 98 iov[i++].iov_len = strlen(buf[3]); 99 } 100 101 (void)writev(STDERR_FILENO, iov, i); 102 } 103 104 void 105 summaryx(int notused) 106 { 107 int save_errno = errno; 108 109 summary(); 110 errno = save_errno; 111 } 112 113 void 114 terminate(int notused) 115 { 116 117 summary(); 118 _exit(0); 119 } 120