1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Keith Muller of the University of California, San Diego and Lance 9 * Visser of Convex Computer Corporation. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 39 #endif 40 #endif /* not lint */ 41 #include <sys/cdefs.h> 42 __FBSDID("$FreeBSD$"); 43 44 #include <sys/types.h> 45 46 #include <err.h> 47 #include <errno.h> 48 #include <inttypes.h> 49 #include <libutil.h> 50 #include <signal.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <time.h> 55 #include <unistd.h> 56 57 #include "dd.h" 58 #include "extern.h" 59 60 double 61 secs_elapsed(void) 62 { 63 struct timespec end, ts_res; 64 double secs, res; 65 66 if (clock_gettime(CLOCK_MONOTONIC, &end)) 67 err(1, "clock_gettime"); 68 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 69 err(1, "clock_getres"); 70 secs = (end.tv_sec - st.start.tv_sec) + \ 71 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 72 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 73 if (secs < res) 74 secs = res; 75 76 return (secs); 77 } 78 79 void 80 summary(void) 81 { 82 double secs; 83 84 if (ddflags & C_NOINFO) 85 return; 86 87 if (ddflags & C_PROGRESS) 88 fprintf(stderr, "\n"); 89 90 secs = secs_elapsed(); 91 92 (void)fprintf(stderr, 93 "%ju+%ju records in\n%ju+%ju records out\n", 94 st.in_full, st.in_part, st.out_full, st.out_part); 95 if (st.swab) 96 (void)fprintf(stderr, "%ju odd length swab %s\n", 97 st.swab, (st.swab == 1) ? "block" : "blocks"); 98 if (st.trunc) 99 (void)fprintf(stderr, "%ju truncated %s\n", 100 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 101 if (!(ddflags & C_NOXFER)) { 102 (void)fprintf(stderr, 103 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 104 st.bytes, secs, st.bytes / secs); 105 } 106 need_summary = 0; 107 } 108 109 void 110 progress(void) 111 { 112 static int outlen; 113 char si[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 114 char iec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 115 char persec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ 116 char *buf; 117 double secs; 118 119 secs = secs_elapsed(); 120 humanize_number(si, sizeof(si), (int64_t)st.bytes, "B", HN_AUTOSCALE, 121 HN_DECIMAL | HN_DIVISOR_1000); 122 humanize_number(iec, sizeof(iec), (int64_t)st.bytes, "B", HN_AUTOSCALE, 123 HN_DECIMAL | HN_IEC_PREFIXES); 124 humanize_number(persec, sizeof(iec), (int64_t)(st.bytes / secs), "B", 125 HN_AUTOSCALE, HN_DECIMAL | HN_DIVISOR_1000); 126 asprintf(&buf, " %'ju bytes (%s, %s) transferred %.3fs, %s/s", 127 (uintmax_t)st.bytes, si, iec, secs, persec); 128 outlen = fprintf(stderr, "%-*s\r", outlen, buf); 129 fflush(stderr); 130 free(buf); 131 need_progress = 0; 132 } 133 134 /* ARGSUSED */ 135 void 136 siginfo_handler(int signo __unused) 137 { 138 139 need_summary = 1; 140 } 141 142 /* ARGSUSED */ 143 void 144 sigalarm_handler(int signo __unused) 145 { 146 147 need_progress = 1; 148 } 149 150 /* ARGSUSED */ 151 void 152 terminate(int sig) 153 { 154 155 summary(); 156 _exit(sig == 0 ? 0 : 1); 157 } 158