bin/dd/misc.c

   1 /*      $NetBSD: misc.c,v 1.20 2007/07/03 05:25:25 lukem Exp $  */
   2
   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 #include <sys/cdefs.h>
  37 #ifndef lint
  38 #if 0
  39 static char sccsid[] = "@(#)misc.c      8.3 (Berkeley) 4/2/94";
  40 #else
  41 __RCSID("$NetBSD: misc.c,v 1.20 2007/07/03 05:25:25 lukem Exp $");
  42 #endif
  43 #endif /* not lint */
  44
  45 #include <sys/param.h>
  46 #include <sys/types.h>
  47 #include <sys/time.h>
  48
  49 #include <err.h>
  50 #include <stdio.h>
  51 #include <stdlib.h>
  52 #include <string.h>
  53 #include <unistd.h>
  54 #include <util.h>
  55 #include <inttypes.h>
  56
  57 #include "dd.h"
  58 #include "extern.h"
  59
  60 #define tv2mS(tv) ((tv).tv_sec * 1000LL + ((tv).tv_usec + 500) / 1000)
  61
  62 void
  63 summary(void)
  64 {
  65         char buf[100];
  66         int64_t mS;
  67         struct timeval tv;
  68
  69         if (progress)
  70                 (void)write(STDERR_FILENO, "\n", 1);
  71
  72         (void)gettimeofday(&tv, NULL);
  73         mS = tv2mS(tv) - tv2mS(st.start);
  74         if (mS == 0)
  75                 mS = 1;
  76         /* Use snprintf(3) so that we don't reenter stdio(3). */
  77         (void)snprintf(buf, sizeof(buf),
  78             "%llu+%llu records in\n%llu+%llu records out\n",
  79             (unsigned long long)st.in_full,  (unsigned long long)st.in_part,
  80             (unsigned long long)st.out_full, (unsigned long long)st.out_part);
  81         (void)write(STDERR_FILENO, buf, strlen(buf));
  82         if (st.swab) {
  83                 (void)snprintf(buf, sizeof(buf), "%llu odd length swab %s\n",
  84                     (unsigned long long)st.swab,
  85                     (st.swab == 1) ? "block" : "blocks");
  86                 (void)write(STDERR_FILENO, buf, strlen(buf));
  87         }
  88         if (st.trunc) {
  89                 (void)snprintf(buf, sizeof(buf), "%llu truncated %s\n",
  90                     (unsigned long long)st.trunc,
  91                     (st.trunc == 1) ? "block" : "blocks");
  92                 (void)write(STDERR_FILENO, buf, strlen(buf));
  93         }
  94         if (st.sparse) {
  95                 (void)snprintf(buf, sizeof(buf), "%llu sparse output %s\n",
  96                     (unsigned long long)st.sparse,
  97                     (st.sparse == 1) ? "block" : "blocks");
  98                 (void)write(STDERR_FILENO, buf, strlen(buf));
  99         }
 100         (void)snprintf(buf, sizeof(buf),
 101             "%llu bytes transferred in %lu.%03d secs (%llu bytes/sec)\n",
 102             (unsigned long long) st.bytes,
 103             (long) (mS / 1000),
 104             (int) (mS % 1000),
 105             (unsigned long long) (st.bytes * 1000LL / mS));
 106         (void)write(STDERR_FILENO, buf, strlen(buf));
 107 }
 108
 109 /* ARGSUSED */
 110 void
 111 summaryx(int notused)
 112 {
 113
 114         summary();
 115 }
 116
 117 /* ARGSUSED */
 118 void
 119 terminate(int signo)
 120 {
 121
 122         summary();
 123         (void)raise_default_signal(signo);
 124         _exit(127);
 125 }