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 <signal.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <string.h> 53 #include <time.h> 54 #include <unistd.h> 55 56 #include "dd.h" 57 #include "extern.h" 58 59 static int need_newline; 60 61 double 62 secs_elapsed(void) 63 { 64 struct timespec end, ts_res; 65 double secs, res; 66 67 if (clock_gettime(CLOCK_MONOTONIC, &end)) 68 err(1, "clock_gettime"); 69 if (clock_getres(CLOCK_MONOTONIC, &ts_res)) 70 err(1, "clock_getres"); 71 secs = (end.tv_sec - st.start.tv_sec) + \ 72 (end.tv_nsec - st.start.tv_nsec) * 1e-9; 73 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; 74 if (secs < res) 75 secs = res; 76 77 return (secs); 78 } 79 80 void 81 summary(void) 82 { 83 double secs; 84 85 if (ddflags & C_NOINFO) 86 return; 87 88 if (need_newline && !need_summary) 89 fprintf(stderr, "\n"); 90 91 secs = secs_elapsed(); 92 93 (void)fprintf(stderr, 94 "%ju+%ju records in\n%ju+%ju records out\n", 95 st.in_full, st.in_part, st.out_full, st.out_part); 96 if (st.swab) 97 (void)fprintf(stderr, "%ju odd length swab %s\n", 98 st.swab, (st.swab == 1) ? "block" : "blocks"); 99 if (st.trunc) 100 (void)fprintf(stderr, "%ju truncated %s\n", 101 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 102 if (!(ddflags & C_NOXFER)) { 103 (void)fprintf(stderr, 104 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 105 st.bytes, secs, st.bytes / secs); 106 } 107 need_summary = 0; 108 } 109 110 void 111 progress(void) 112 { 113 double secs; 114 static int lastlen; 115 int len; 116 117 secs = secs_elapsed(); 118 len = fprintf(stderr, 119 "\r%ju bytes transferred in %.0f secs (%.0f bytes/sec)", 120 st.bytes, secs, st.bytes / secs); 121 122 if (len > 0) { 123 if (len < lastlen) 124 (void)fprintf(stderr, "%*s", len - lastlen, ""); 125 lastlen = len; 126 } 127 128 need_newline = 1; 129 need_progress = 0; 130 } 131 132 /* ARGSUSED */ 133 void 134 siginfo_handler(int signo __unused) 135 { 136 137 need_summary = 1; 138 } 139 140 /* ARGSUSED */ 141 void 142 sigalrm_handler(int signo __unused) 143 { 144 145 need_progress = 1; 146 } 147 148 /* ARGSUSED */ 149 void 150 terminate(int sig) 151 { 152 153 summary(); 154 _exit(sig == 0 ? 0 : 1); 155 } 156