1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Keith Muller of the University of California, San Diego and Lance 7 * Visser of Convex Computer Corporation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 #if 0 36 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 37 #endif 38 #endif /* not lint */ 39 #include <sys/cdefs.h> 40 __FBSDID("$FreeBSD$"); 41 42 #include <sys/types.h> 43 #include <sys/time.h> 44 45 #include <errno.h> 46 #include <inttypes.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 #include "dd.h" 53 #include "extern.h" 54 55 void 56 summary(void) 57 { 58 struct timeval tv; 59 double secs; 60 char buf[100]; 61 62 (void)gettimeofday(&tv, NULL); 63 secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start; 64 if (secs < 1e-6) 65 secs = 1e-6; 66 /* Use snprintf(3) so that we don't reenter stdio(3). */ 67 (void)snprintf(buf, sizeof(buf), 68 "%ju+%ju records in\n%ju+%ju records out\n", 69 st.in_full, st.in_part, st.out_full, st.out_part); 70 (void)write(STDERR_FILENO, buf, strlen(buf)); 71 if (st.swab) { 72 (void)snprintf(buf, sizeof(buf), "%ju odd length swab %s\n", 73 st.swab, (st.swab == 1) ? "block" : "blocks"); 74 (void)write(STDERR_FILENO, buf, strlen(buf)); 75 } 76 if (st.trunc) { 77 (void)snprintf(buf, sizeof(buf), "%ju truncated %s\n", 78 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 79 (void)write(STDERR_FILENO, buf, strlen(buf)); 80 } 81 (void)snprintf(buf, sizeof(buf), 82 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n", 83 st.bytes, secs, st.bytes / secs); 84 (void)write(STDERR_FILENO, buf, strlen(buf)); 85 } 86 87 /* ARGSUSED */ 88 void 89 summaryx(int notused __unused) 90 { 91 int save_errno = errno; 92 93 summary(); 94 errno = save_errno; 95 } 96 97 /* ARGSUSED */ 98 void 99 terminate(int sig) 100 { 101 102 summary(); 103 _exit(sig == 0 ? 0 : 1); 104 } 105