text: /*-
   * 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 <signal.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <time.h>
  #include <unistd.h>
  
  #include "dd.h"
  #include "extern.h"
  
  #include "compat.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
  sigalarm_handler(int signo __unused)
  {
  
  	need_progress = 1;
  }
  
  /* ARGSUSED */
  void
  terminate(int sig)
  {
  
  	summary();
  	_exit(sig == 0 ? 0 : 1);
  }
  