From 37fd459046a5f2eb572387c5bf3780520feef6a2 Mon Sep 17 00:00:00 2001
From: "Tim J. Robbins" <tjr@FreeBSD.org>
Date: Wed, 19 Jun 2002 08:16:14 +0000
Subject: [PATCH] Allow `%' to be written out with an octal escape (\45 or
 \045).

PR:		39116
Submitted by:	Egil Brendsdal <egilb@ife.no>
MFC after:	1 week
---
 usr.bin/printf/printf.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/usr.bin/printf/printf.c b/usr.bin/printf/printf.c
index e0d1591b50c..90f363cbc8a 100644
--- a/usr.bin/printf/printf.c
+++ b/usr.bin/printf/printf.c
@@ -376,7 +376,11 @@ escape(fmt)
 				value += *fmt - '0';
 			}
 			--fmt;
-			*store = value;
+			if (value == '%') {
+				*store++ = '%';
+				*store = '%';
+			} else
+				*store = value;
 			break;
 		default:
 			*store = *fmt;