From e0ed75d490b882ca2e67fcd6b9e4fcfa76b78116 Mon Sep 17 00:00:00 2001
From: Will Sowerbutts <will@sowerbutts.com>
Date: Fri, 23 Jan 2015 20:40:42 +0000
Subject: [PATCH] Library: Bug fix for vfprintf()

---
 Library/libs/vfprintf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Library/libs/vfprintf.c b/Library/libs/vfprintf.c
index 7cdcba8b..4323dcb8 100644
--- a/Library/libs/vfprintf.c
+++ b/Library/libs/vfprintf.c
@@ -177,10 +177,10 @@ int vfprintf(FILE * op, const char *fmt, va_list ap)
 				/* fall thru */
 
 			case 'u':	/* Unsigned decimal */
-			      usproc:val = lval ? va_arg(ap, unsigned long) :
-				    va_arg(ap,
-					   unsigned short);
-				ptmp = __ultostr(val, radix);
+			usproc:
+				val = lval ? va_arg(ap, unsigned long) :
+				    va_arg(ap, unsigned short);
+				ptmp = __ultostr(val, radix < 0 ? -radix : radix);
 				add = "";
 				if (hash) {
 					if (radix == 2)
-- 
2.34.1