Index: usr.bin/printf/printf.c
===================================================================
--- usr.bin/printf/printf.c	(revision 336296)
+++ usr.bin/printf/printf.c	(working copy)
@@ -1,6 +1,7 @@
 /*-
  * SPDX-License-Identifier: BSD-3-Clause
  *
+ * Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
  * Copyright (c) 1989, 1993
@@ -375,16 +376,19 @@
 		char *p;
 		int getout;
 
-		p = strdup(getstr());
-		if (p == NULL) {
+		/* Convert "b" to "s" for output. */
+		start[strlen(start) - 1] = 's';
+		if ((p = strdup(getstr())) == NULL) {
 			warnx("%s", strerror(ENOMEM));
 			return (NULL);
 		}
 		getout = escape(p, 0, &len);
-		fputs(p, stdout);
+		PF(start, p);
+
 		free(p);
+		/* Restore format for next loop. */
 		if (getout)
-			return (end_fmt);
+			exit(*rval);
 		break;
 	}
 	case 'c': {
Index: usr.bin/printf/tests/Makefile
===================================================================
--- usr.bin/printf/tests/Makefile	(revision 336296)
+++ usr.bin/printf/tests/Makefile	(working copy)
@@ -5,6 +5,7 @@
 TAP_TESTS_SH=	legacy_test
 
 ${PACKAGE}FILES+=		regress.b.out
+${PACKAGE}FILES+=		regress.bwidth.out
 ${PACKAGE}FILES+=		regress.d.out
 ${PACKAGE}FILES+=		regress.f.out
 ${PACKAGE}FILES+=		regress.l1.out
Index: usr.bin/printf/tests/regress.bwidth.out
===================================================================
--- usr.bin/printf/tests/regress.bwidth.out	(nonexistent)
+++ usr.bin/printf/tests/regress.bwidth.out	(working copy)
@@ -0,0 +1 @@
+      a
Index: usr.bin/printf/tests/regress.sh
===================================================================
--- usr.bin/printf/tests/regress.sh	(revision 336296)
+++ usr.bin/printf/tests/regress.sh	(working copy)
@@ -2,7 +2,7 @@
 
 REGRESSION_START($1)
 
-echo '1..23'
+echo '1..24'
 
 REGRESSION_TEST(`b', `printf "abc%b%b" "def\n" "\cghi"')
 REGRESSION_TEST(`d', `printf "%d,%5d,%.5d,%0*d,%.*d\n" 123 123 123 5 123 5 123')
@@ -27,5 +27,6 @@
 REGRESSION_TEST(`missingpos1', `printf "%1\$*2\$.*s" 1 1 1 2>&1')
 REGRESSION_TEST(`missingpos1', `printf "%*1\$.*2\$s" 1 1 1 2>&1')
 REGRESSION_TEST(`missingpos1', `printf "%1\$*.*2\$s" 1 1 1 2>&1')
+REGRESSION_TEST(`bwidth', `printf "%8.2b" "a\nb\n"')
 
 REGRESSION_END()