toolbox/upstream-netbsd/bin/dd/misc.c - android-core - Git at Google

 /*	$NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $	*/

 /*-
  * 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. 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";
 #else
 __RCSID("$NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $");
 #endif
 #endif /* not lint */

 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/time.h>

 #include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <util.h>
 #include <inttypes.h>

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

 #define	tv2mS(tv) ((tv).tv_sec * 1000LL + ((tv).tv_usec + 500) / 1000)

 static void posix_summary(void);
 #ifndef NO_MSGFMT
 static void custom_summary(void);
 static void human_summary(void);
 static void quiet_summary(void);

 static void buffer_write(const char *, size_t, int);
 #endif /* NO_MSGFMT */

 void
 summary(void)
 {

 	if (progress)
 		(void)write(STDERR_FILENO, "\n", 1);

 #ifdef NO_MSGFMT
 	return posix_summary();
 #else /* NO_MSGFMT */
 	if (strncmp(msgfmt, "human", sizeof("human")) == 0)
 		return human_summary();

 	if (strncmp(msgfmt, "posix", sizeof("posix")) == 0)
 		return posix_summary();

 	if (strncmp(msgfmt, "quiet", sizeof("quiet")) == 0)
 		return quiet_summary();

 	return custom_summary();
 #endif /* NO_MSGFMT */
 }

 static void
 posix_summary(void)
 {
 	char buf[100];
 	int64_t mS;
 	struct timeval tv;

 	if (progress)
 		(void)write(STDERR_FILENO, "\n", 1);

 	(void)gettimeofday(&tv, NULL);
 	mS = tv2mS(tv) - tv2mS(st.start);
 	if (mS == 0)
 		mS = 1;

 	/* Use snprintf(3) so that we don't reenter stdio(3). */
 	(void)snprintf(buf, sizeof(buf),
 	    "%llu+%llu records in\n%llu+%llu records out\n",
 	    (unsigned long long)st.in_full,  (unsigned long long)st.in_part,
 	    (unsigned long long)st.out_full, (unsigned long long)st.out_part);
 	(void)write(STDERR_FILENO, buf, strlen(buf));
 	if (st.swab) {
 		(void)snprintf(buf, sizeof(buf), "%llu odd length swab %s\n",
 		    (unsigned long long)st.swab,
 		    (st.swab == 1) ? "block" : "blocks");
 		(void)write(STDERR_FILENO, buf, strlen(buf));
 	}
 	if (st.trunc) {
 		(void)snprintf(buf, sizeof(buf), "%llu truncated %s\n",
 		    (unsigned long long)st.trunc,
 		    (st.trunc == 1) ? "block" : "blocks");
 		(void)write(STDERR_FILENO, buf, strlen(buf));
 	}
 	if (st.sparse) {
 		(void)snprintf(buf, sizeof(buf), "%llu sparse output %s\n",
 		    (unsigned long long)st.sparse,
 		    (st.sparse == 1) ? "block" : "blocks");
 		(void)write(STDERR_FILENO, buf, strlen(buf));
 	}
 	(void)snprintf(buf, sizeof(buf),
 	    "%llu bytes transferred in %lu.%03d secs (%llu bytes/sec)\n",
 	    (unsigned long long) st.bytes,
 	    (long) (mS / 1000),
 	    (int) (mS % 1000),
 	    (unsigned long long) (st.bytes * 1000LL / mS));
 	(void)write(STDERR_FILENO, buf, strlen(buf));
 }

 /* ARGSUSED */
 void
 summaryx(int notused)
 {

 	summary();
 }

 /* ARGSUSED */
 void
 terminate(int signo)
 {

 	summary();
 	(void)raise_default_signal(signo);
 	_exit(127);
 }

 #ifndef NO_MSGFMT
 /*
  * Buffer write(2) calls
  */
 static void
 buffer_write(const char *str, size_t size, int flush)
 {
 	static char wbuf[128];
 	static size_t cnt = 0; /* Internal counter to allow wbuf to wrap */

 	unsigned int i;

 	for (i = 0; i < size; i++) {
 		if (str != NULL) {
 			wbuf[cnt++] = str[i];
 		}
 		if (cnt >= sizeof(wbuf)) {
 			(void)write(STDERR_FILENO, wbuf, cnt);
 			cnt = 0;
 		}
 	}

 	if (flush != 0) {
 		(void)write(STDERR_FILENO, wbuf, cnt);
 		cnt = 0;
 	}
 }

 /*
  * Write summary to stderr according to format 'fmt'. If 'enable' is 0, it
  * will not attempt to write anything. Can be used to validate the
  * correctness of the 'fmt' string.
  */
 int
 dd_write_msg(const char *fmt, int enable)
 {
 	char hbuf[7], nbuf[32];
 	const char *ptr;
 	int64_t mS;
 	struct timeval tv;

 	(void)gettimeofday(&tv, NULL);
 	mS = tv2mS(tv) - tv2mS(st.start);
 	if (mS == 0)
 		mS = 1;

 #define ADDC(c) do { if (enable != 0) buffer_write(&c, 1, 0); } \
 	while (/*CONSTCOND*/0)
 #define ADDS(p) do { if (enable != 0) buffer_write(p, strlen(p), 0); } \
 	while (/*CONSTCOND*/0)

 	for (ptr = fmt; *ptr; ptr++) {
 		if (*ptr != '%') {
 			ADDC(*ptr);
 			continue;
 		}

  		switch (*++ptr) {
 		case 'b':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.bytes);
 			ADDS(nbuf);
 			break;
 		case 'B':
 			if (humanize_number(hbuf, sizeof(hbuf),
 			    st.bytes, "B",
 			    HN_AUTOSCALE, HN_DECIMAL) == -1)
 				warnx("humanize_number (bytes transferred)");
 			ADDS(hbuf);
 			break;
 		case 'e':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long) (st.bytes * 1000LL / mS));
 			ADDS(nbuf);
 			break;
 		case 'E':
 			if (humanize_number(hbuf, sizeof(hbuf),
 			    st.bytes * 1000LL / mS, "B",
 			    HN_AUTOSCALE, HN_DECIMAL) == -1)
 				warnx("humanize_number (bytes per second)");
 			ADDS(hbuf); ADDS("/sec");
 			break;
 		case 'i':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.in_part);
 			ADDS(nbuf);
 			break;
 		case 'I':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.in_full);
 			ADDS(nbuf);
 			break;
 		case 'o':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.out_part);
 			ADDS(nbuf);
 			break;
 		case 'O':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.out_full);
 			ADDS(nbuf);
 			break;
 		case 's':
 			(void)snprintf(nbuf, sizeof(nbuf), "%li.%03d",
 			    (long) (mS / 1000), (int) (mS % 1000));
 			ADDS(nbuf);
 			break;
 		case 'p':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.sparse);
 			ADDS(nbuf);
 			break;
 		case 't':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.trunc);
 			ADDS(nbuf);
 			break;
 		case 'w':
 			(void)snprintf(nbuf, sizeof(nbuf), "%llu",
 			    (unsigned long long)st.swab);
 			ADDS(nbuf);
 			break;
 		case 'P':
 			ADDS("block");
 			if (st.sparse != 1) ADDS("s");
 			break;
 		case 'T':
 			ADDS("block");
 			if (st.trunc != 1) ADDS("s");
 			break;
 		case 'W':
 			ADDS("block");
 			if (st.swab != 1) ADDS("s");
 			break;
 		case '%':
 			ADDC(*ptr);
 			break;
 		default:
 			if (*ptr == '\0')
 				goto done;
 			errx(EXIT_FAILURE, "unknown specifier '%c' in "
 			    "msgfmt string", *ptr);
 			/* NOTREACHED */
 		}
 	}

 done:
 	/* flush buffer */
 	buffer_write(NULL, 0, 1);
 	return 0;
 }

 static void
 custom_summary(void)
 {

 	dd_write_msg(msgfmt, 1);
 }

 static void
 human_summary(void)
 {
 	(void)dd_write_msg("%I+%i records in\n%O+%o records out\n", 1);
 	if (st.swab) {
 		(void)dd_write_msg("%w odd length swab %W\n", 1);
 	}
 	if (st.trunc) {
 		(void)dd_write_msg("%t truncated %T\n", 1);
 	}
 	if (st.sparse) {
 		(void)dd_write_msg("%p sparse output %P\n", 1);
 	}
 	(void)dd_write_msg("%b bytes (%B) transferred in %s secs "
 	    "(%e bytes/sec - %E)\n", 1);
 }

 static void
 quiet_summary(void)
 {

 	/* stay quiet */
 }
 #endif /* NO_MSGFMT */
	/* $NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $ */

	/*-
	* 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. 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";
	#else
	__RCSID("$NetBSD: misc.c,v 1.23 2011/11/07 22:24:23 jym Exp $");
	#endif
	#endif /* not lint */

	#include <sys/param.h>
	#include <sys/types.h>
	#include <sys/time.h>

	#include <err.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <unistd.h>
	#include <util.h>
	#include <inttypes.h>

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

	#define tv2mS(tv) ((tv).tv_sec * 1000LL + ((tv).tv_usec + 500) / 1000)

	static void posix_summary(void);
	#ifndef NO_MSGFMT
	static void custom_summary(void);
	static void human_summary(void);
	static void quiet_summary(void);

	static void buffer_write(const char *, size_t, int);
	#endif /* NO_MSGFMT */

	void
	summary(void)
	{

	if (progress)
	(void)write(STDERR_FILENO, "\n", 1);

	#ifdef NO_MSGFMT
	return posix_summary();
	#else /* NO_MSGFMT */
	if (strncmp(msgfmt, "human", sizeof("human")) == 0)
	return human_summary();

	if (strncmp(msgfmt, "posix", sizeof("posix")) == 0)
	return posix_summary();

	if (strncmp(msgfmt, "quiet", sizeof("quiet")) == 0)
	return quiet_summary();

	return custom_summary();
	#endif /* NO_MSGFMT */
	}

	static void
	posix_summary(void)
	{
	char buf[100];
	int64_t mS;
	struct timeval tv;

	if (progress)
	(void)write(STDERR_FILENO, "\n", 1);

	(void)gettimeofday(&tv, NULL);
	mS = tv2mS(tv) - tv2mS(st.start);
	if (mS == 0)
	mS = 1;

	/* Use snprintf(3) so that we don't reenter stdio(3). */
	(void)snprintf(buf, sizeof(buf),
	"%llu+%llu records in\n%llu+%llu records out\n",
	(unsigned long long)st.in_full, (unsigned long long)st.in_part,
	(unsigned long long)st.out_full, (unsigned long long)st.out_part);
	(void)write(STDERR_FILENO, buf, strlen(buf));
	if (st.swab) {
	(void)snprintf(buf, sizeof(buf), "%llu odd length swab %s\n",
	(unsigned long long)st.swab,
	(st.swab == 1) ? "block" : "blocks");
	(void)write(STDERR_FILENO, buf, strlen(buf));
	}
	if (st.trunc) {
	(void)snprintf(buf, sizeof(buf), "%llu truncated %s\n",
	(unsigned long long)st.trunc,
	(st.trunc == 1) ? "block" : "blocks");
	(void)write(STDERR_FILENO, buf, strlen(buf));
	}
	if (st.sparse) {
	(void)snprintf(buf, sizeof(buf), "%llu sparse output %s\n",
	(unsigned long long)st.sparse,
	(st.sparse == 1) ? "block" : "blocks");
	(void)write(STDERR_FILENO, buf, strlen(buf));
	}
	(void)snprintf(buf, sizeof(buf),
	"%llu bytes transferred in %lu.%03d secs (%llu bytes/sec)\n",
	(unsigned long long) st.bytes,
	(long) (mS / 1000),
	(int) (mS % 1000),
	(unsigned long long) (st.bytes * 1000LL / mS));
	(void)write(STDERR_FILENO, buf, strlen(buf));
	}

	/* ARGSUSED */
	void
	summaryx(int notused)
	{

	summary();
	}

	/* ARGSUSED */
	void
	terminate(int signo)
	{

	summary();
	(void)raise_default_signal(signo);
	_exit(127);
	}

	#ifndef NO_MSGFMT
	/*
	* Buffer write(2) calls
	*/
	static void
	buffer_write(const char *str, size_t size, int flush)
	{
	static char wbuf[128];
	static size_t cnt = 0; /* Internal counter to allow wbuf to wrap */

	unsigned int i;

	for (i = 0; i < size; i++) {
	if (str != NULL) {
	wbuf[cnt++] = str[i];
	}
	if (cnt >= sizeof(wbuf)) {
	(void)write(STDERR_FILENO, wbuf, cnt);
	cnt = 0;
	}
	}

	if (flush != 0) {
	(void)write(STDERR_FILENO, wbuf, cnt);
	cnt = 0;
	}
	}

	/*
	* Write summary to stderr according to format 'fmt'. If 'enable' is 0, it
	* will not attempt to write anything. Can be used to validate the
	* correctness of the 'fmt' string.
	*/
	int
	dd_write_msg(const char *fmt, int enable)
	{
	char hbuf[7], nbuf[32];
	const char *ptr;
	int64_t mS;
	struct timeval tv;

	(void)gettimeofday(&tv, NULL);
	mS = tv2mS(tv) - tv2mS(st.start);
	if (mS == 0)
	mS = 1;

	#define ADDC(c) do { if (enable != 0) buffer_write(&c, 1, 0); } \
	while (/CONSTCOND/0)
	#define ADDS(p) do { if (enable != 0) buffer_write(p, strlen(p), 0); } \
	while (/CONSTCOND/0)

	for (ptr = fmt; *ptr; ptr++) {
	if (*ptr != '%') {
	ADDC(*ptr);
	continue;
	}

	switch (*++ptr) {
	case 'b':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.bytes);
	ADDS(nbuf);
	break;
	case 'B':
	if (humanize_number(hbuf, sizeof(hbuf),
	st.bytes, "B",
	HN_AUTOSCALE, HN_DECIMAL) == -1)
	warnx("humanize_number (bytes transferred)");
	ADDS(hbuf);
	break;
	case 'e':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long) (st.bytes * 1000LL / mS));
	ADDS(nbuf);
	break;
	case 'E':
	if (humanize_number(hbuf, sizeof(hbuf),
	st.bytes * 1000LL / mS, "B",
	HN_AUTOSCALE, HN_DECIMAL) == -1)
	warnx("humanize_number (bytes per second)");
	ADDS(hbuf); ADDS("/sec");
	break;
	case 'i':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.in_part);
	ADDS(nbuf);
	break;
	case 'I':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.in_full);
	ADDS(nbuf);
	break;
	case 'o':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.out_part);
	ADDS(nbuf);
	break;
	case 'O':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.out_full);
	ADDS(nbuf);
	break;
	case 's':
	(void)snprintf(nbuf, sizeof(nbuf), "%li.%03d",
	(long) (mS / 1000), (int) (mS % 1000));
	ADDS(nbuf);
	break;
	case 'p':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.sparse);
	ADDS(nbuf);
	break;
	case 't':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.trunc);
	ADDS(nbuf);
	break;
	case 'w':
	(void)snprintf(nbuf, sizeof(nbuf), "%llu",
	(unsigned long long)st.swab);
	ADDS(nbuf);
	break;
	case 'P':
	ADDS("block");
	if (st.sparse != 1) ADDS("s");
	break;
	case 'T':
	ADDS("block");
	if (st.trunc != 1) ADDS("s");
	break;
	case 'W':
	ADDS("block");
	if (st.swab != 1) ADDS("s");
	break;
	case '%':
	ADDC(*ptr);
	break;
	default:
	if (*ptr == '\0')
	goto done;
	errx(EXIT_FAILURE, "unknown specifier '%c' in "
	"msgfmt string", *ptr);
	/* NOTREACHED */
	}
	}

	done:
	/* flush buffer */
	buffer_write(NULL, 0, 1);
	return 0;
	}

	static void
	custom_summary(void)
	{

	dd_write_msg(msgfmt, 1);
	}

	static void
	human_summary(void)
	{
	(void)dd_write_msg("%I+%i records in\n%O+%o records out\n", 1);
	if (st.swab) {
	(void)dd_write_msg("%w odd length swab %W\n", 1);
	}
	if (st.trunc) {
	(void)dd_write_msg("%t truncated %T\n", 1);
	}
	if (st.sparse) {
	(void)dd_write_msg("%p sparse output %P\n", 1);
	}
	(void)dd_write_msg("%b bytes (%B) transferred in %s secs "
	"(%e bytes/sec - %E)\n", 1);
	}

	static void
	quiet_summary(void)
	{

	/* stay quiet */
	}
	#endif /* NO_MSGFMT */