BSD 4_4 release

[unix-history] / usr / src / bin / dd / misc.c

/*-
* Copyright (c) 1991, 1993
*      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.
*/

#ifndef lint
static char sccsid[] = "@(#)misc.c      8.1 (Berkeley) 5/31/93";
#endif /* not lint */

#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include "dd.h"
#include "extern.h"

/* ARGSUSED */
void
summary(notused)
       int notused;
{
       time_t secs;
       char buf[100];

       (void)time(&secs);
       if ((secs -= st.start) == 0)
               secs = 1;
       /* Use snprintf(3) so that we don't reenter stdio(3). */
       (void)snprintf(buf, sizeof(buf),
           "%u+%u records in\n%u+%u 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), "%u 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), "%u truncated %s\n",
                    st.trunc, (st.trunc == 1) ? "block" : "blocks");
               (void)write(STDERR_FILENO, buf, strlen(buf));
       }
       (void)snprintf(buf, sizeof(buf),
           "%u bytes transferred in %u secs (%u bytes/sec)\n",
           st.bytes, secs, st.bytes / secs);
       (void)write(STDERR_FILENO, buf, strlen(buf));
}

/* ARGSUSED */
void
terminate(notused)
       int notused;
{
       summary(0);
       exit(0);
}

#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif

void
#if __STDC__
err(const char *fmt, ...)
#else
err(fmt, va_alist)
       char *fmt;
       va_dcl
#endif
{
       extern int errstats;
       va_list ap;
#if __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       (void)fprintf(stderr, "dd: ");
       (void)vfprintf(stderr, fmt, ap);
       va_end(ap);
       (void)fprintf(stderr, "\n");
       if (errstats)
               summary(0);
       exit(1);
       /* NOTREACHED */
}

void
#if __STDC__
warn(const char *fmt, ...)
#else
warn(fmt, va_alist)
       char *fmt;
       va_dcl
#endif
{
       va_list ap;
#if __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       (void)fprintf(stderr, "dd: ");
       (void)vfprintf(stderr, fmt, ap);
       va_end(ap);
       (void)fprintf(stderr, "\n");
}