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 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; 41 #endif 42 static const char rcsid[] = 43 "$FreeBSD$"; 44 #endif /* not lint */ 45 46 #include <sys/types.h> 47 #include <sys/time.h> 48 49 #include <errno.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 #include <strings.h> 53 #include <unistd.h> 54 55 #include "dd.h" 56 #include "extern.h" 57 58 void 59 summary(void) 60 { 61 struct timeval tv; 62 double secs; 63 char buf[100]; 64 65 (void)gettimeofday(&tv, (struct timezone *)NULL); 66 secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start; 67 if (secs < 1e-6) 68 secs = 1e-6; 69 /* Use snprintf(3) so that we don't reenter stdio(3). */ 70 (void)snprintf(buf, sizeof(buf), 71 "%qu+%qu records in\n%qu+%qu records out\n", 72 st.in_full, st.in_part, st.out_full, st.out_part); 73 (void)write(STDERR_FILENO, buf, strlen(buf)); 74 if (st.swab) { 75 (void)snprintf(buf, sizeof(buf), "%qu odd length swab %s\n", 76 st.swab, (st.swab == 1) ? "block" : "blocks"); 77 (void)write(STDERR_FILENO, buf, strlen(buf)); 78 } 79 if (st.trunc) { 80 (void)snprintf(buf, sizeof(buf), "%qu truncated %s\n", 81 st.trunc, (st.trunc == 1) ? "block" : "blocks"); 82 (void)write(STDERR_FILENO, buf, strlen(buf)); 83 } 84 (void)snprintf(buf, sizeof(buf), 85 "%qu bytes transferred in %.6f secs (%.0f bytes/sec)\n", 86 st.bytes, secs, st.bytes / secs); 87 (void)write(STDERR_FILENO, buf, strlen(buf)); 88 } 89 90 /* ARGSUSED */ 91 void 92 summaryx(int notused __unused) 93 { 94 int save_errno = errno; 95 96 summary(); 97 errno = save_errno; 98 } 99 100 /* ARGSUSED */ 101 void 102 terminate(int sig) 103 { 104 105 summary(); 106 _exit(sig == 0 ? 0 : 1); 107 } 108