diff options
Diffstat (limited to 'file_cmds/dd/misc.c')
| -rw-r--r-- | file_cmds/dd/misc.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/file_cmds/dd/misc.c b/file_cmds/dd/misc.c new file mode 100644 index 0000000..b220334 --- /dev/null +++ b/file_cmds/dd/misc.c @@ -0,0 +1,108 @@ +/*- + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94"; +#endif +__used static const char rcsid[] = + "$FreeBSD: src/bin/dd/misc.c,v 1.23 2002/02/02 06:24:12 imp Exp $"; +#endif /* not lint */ + +#include <sys/types.h> +#include <sys/time.h> + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <strings.h> +#include <unistd.h> + +#include "dd.h" +#include "extern.h" + +void +summary(void) +{ + struct timeval tv; + double secs; + char buf[100]; + + (void)gettimeofday(&tv, (struct timezone *)NULL); + secs = tv.tv_sec + tv.tv_usec * 1e-6 - st.start; + if (secs < 1e-6) + secs = 1e-6; + /* Use snprintf(3) so that we don't reenter stdio(3). */ + (void)snprintf(buf, sizeof(buf), + "%qu+%qu records in\n%qu+%qu records out\n", + st.in_full, st.in_part, st.out_full, st.out_part); + (void)write(STDERR_FILENO, buf, strlen(buf)); + if (st.swab) { + (void)snprintf(buf, sizeof(buf), "%qu odd length swab %s\n", + st.swab, (st.swab == 1) ? "block" : "blocks"); + (void)write(STDERR_FILENO, buf, strlen(buf)); + } + if (st.trunc) { + (void)snprintf(buf, sizeof(buf), "%qu truncated %s\n", + st.trunc, (st.trunc == 1) ? "record" : "records"); + (void)write(STDERR_FILENO, buf, strlen(buf)); + } + (void)snprintf(buf, sizeof(buf), + "%qu bytes transferred in %.6f secs (%.0f bytes/sec)\n", + st.bytes, secs, st.bytes / secs); + (void)write(STDERR_FILENO, buf, strlen(buf)); +} + +/* ARGSUSED */ +void +summaryx(int notused) +{ + int save_errno = errno; + + summary(); + errno = save_errno; +} + +/* ARGSUSED */ +void +terminate(int sig) +{ + + summary(); + _exit(sig == 0 ? 0 : 1); +} |