From 8d454a834862155c237f8b7ea9cfe5a63661978d Mon Sep 17 00:00:00 2001
From: daniel <daniel@openbsd.org>
Date: Sun, 21 Dec 2014 00:23:30 +0000
Subject: [PATCH] Show the sign for NaN as per POSIX; from Elliott Hughes.

ok martynas@, millert@, doug@
---
 lib/libc/stdio/vfprintf.c  | 7 +++----
 lib/libc/stdio/vfwprintf.c | 7 +++----
 2 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 7f8ff317794..5f4fb7fa9bb 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfprintf.c,v 1.66 2014/05/03 12:36:45 deraadt Exp $	*/
+/*	$OpenBSD: vfprintf.c,v 1.67 2014/12/21 00:23:30 daniel Exp $	*/
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -753,10 +753,9 @@ fp_common:
 			if (signflag)
 				sign = '-';
 			if (expt == INT_MAX) {	/* inf or nan */
-				if (*cp == 'N') {
+				if (*cp == 'N')
 					cp = (ch >= 'a') ? "nan" : "NAN";
-					sign = '\0';
-				} else
+				else
 					cp = (ch >= 'a') ? "inf" : "INF";
  				size = 3;
 				flags &= ~ZEROPAD;
diff --git a/lib/libc/stdio/vfwprintf.c b/lib/libc/stdio/vfwprintf.c
index ef0ca43b91f..a6f41232c53 100644
--- a/lib/libc/stdio/vfwprintf.c
+++ b/lib/libc/stdio/vfwprintf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: vfwprintf.c,v 1.11 2014/06/04 07:45:25 stsp Exp $ */
+/*	$OpenBSD: vfwprintf.c,v 1.12 2014/12/21 00:23:30 daniel Exp $ */
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
  * All rights reserved.
@@ -731,10 +731,9 @@ fp_common:
 			if (signflag)
 				sign = '-';
 			if (expt == INT_MAX) {	/* inf or nan */
-				if (*cp == 'N') {
+				if (*cp == 'N')
 					cp = (ch >= 'a') ? L"nan" : L"NAN";
-					sign = '\0';
-				} else
+				else
 					cp = (ch >= 'a') ? L"inf" : L"INF";
  				size = 3;
 				flags &= ~ZEROPAD;
-- 
2.20.1