diff options
Diffstat (limited to 'bin/dd/misc.c')
| -rw-r--r-- | bin/dd/misc.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/bin/dd/misc.c b/bin/dd/misc.c new file mode 100644 index 000000000000..405448eb1cb0 --- /dev/null +++ b/bin/dd/misc.c @@ -0,0 +1,157 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1991, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Keith Muller of the University of California, San Diego and Lance + * Visser of Convex Computer Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +#if 0 +static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; +#endif +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> + +#include <err.h> +#include <errno.h> +#include <inttypes.h> +#include <libutil.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <unistd.h> + +#include "dd.h" +#include "extern.h" + +double +secs_elapsed(void) +{ + struct timespec end, ts_res; + double secs, res; + + if (clock_gettime(CLOCK_MONOTONIC, &end)) + err(1, "clock_gettime"); + if (clock_getres(CLOCK_MONOTONIC, &ts_res)) + err(1, "clock_getres"); + secs = (end.tv_sec - st.start.tv_sec) + \ + (end.tv_nsec - st.start.tv_nsec) * 1e-9; + res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9; + if (secs < res) + secs = res; + + return (secs); +} + +void +summary(void) +{ + double secs; + + if (ddflags & C_NOINFO) + return; + + if (ddflags & C_PROGRESS) + fprintf(stderr, "\n"); + + secs = secs_elapsed(); + + (void)fprintf(stderr, + "%ju+%ju records in\n%ju+%ju records out\n", + st.in_full, st.in_part, st.out_full, st.out_part); + if (st.swab) + (void)fprintf(stderr, "%ju odd length swab %s\n", + st.swab, (st.swab == 1) ? "block" : "blocks"); + if (st.trunc) + (void)fprintf(stderr, "%ju truncated %s\n", + st.trunc, (st.trunc == 1) ? "block" : "blocks"); + if (!(ddflags & C_NOXFER)) { + (void)fprintf(stderr, + "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", + st.bytes, secs, st.bytes / secs); + } + need_summary = 0; +} + +void +progress(void) +{ + static int outlen; + char si[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ + char iec[4 + 1 + 3 + 1]; /* 123 <space> <suffix> NUL */ + char persec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */ + char *buf; + double secs; + + secs = secs_elapsed(); + humanize_number(si, sizeof(si), (int64_t)st.bytes, "B", HN_AUTOSCALE, + HN_DECIMAL | HN_DIVISOR_1000); + humanize_number(iec, sizeof(iec), (int64_t)st.bytes, "B", HN_AUTOSCALE, + HN_DECIMAL | HN_IEC_PREFIXES); + humanize_number(persec, sizeof(persec), (int64_t)(st.bytes / secs), "B", + HN_AUTOSCALE, HN_DECIMAL | HN_DIVISOR_1000); + asprintf(&buf, " %'ju bytes (%s, %s) transferred %.3fs, %s/s", + (uintmax_t)st.bytes, si, iec, secs, persec); + outlen = fprintf(stderr, "%-*s\r", outlen, buf) - 1; + fflush(stderr); + free(buf); + need_progress = 0; +} + +/* ARGSUSED */ +void +siginfo_handler(int signo __unused) +{ + + need_summary = 1; +} + +/* ARGSUSED */ +void +sigalarm_handler(int signo __unused) +{ + + need_progress = 1; +} + +/* ARGSUSED */ +void +terminate(int sig) +{ + + summary(); + _exit(sig == 0 ? 0 : 1); +} |