initial population

1 files changed, 342 insertions, 0 deletions

diff --git a/bin/dd/misc.c b/bin/dd/misc.c
new file mode 100644
index 0000000..0fac98b
--- /dev/null
+++ b/bin/dd/misc.c
@@ -0,0 +1,342 @@
+/*	$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 */