From 80f30d4de0087b1cc769bd532fc1d6d5b47a669f Mon Sep 17 00:00:00 2001
From: kleink <kleink@NetBSD.org>
Date: Wed, 28 Nov 2001 11:58:22 +0000
Subject: [PATCH] Since we're returned the sign of a floating-point number by
 __dtoa(), use that to decide whether to include a minus sign in the result.
 Fixes printing -0.0, and thus PR lib/3137.

---
 lib/libc/stdio/vfprintf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index 479083c4d77a..f042f3838290 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: vfprintf.c,v 1.39 2001/11/27 18:05:30 augustss Exp $	*/
+/*	$NetBSD: vfprintf.c,v 1.40 2001/11/28 11:58:22 kleink Exp $	*/
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -41,7 +41,7 @@
 #if 0
 static char *sccsid = "@(#)vfprintf.c	5.50 (Berkeley) 12/16/92";
 #else
-__RCSID("$NetBSD: vfprintf.c,v 1.39 2001/11/27 18:05:30 augustss Exp $");
+__RCSID("$NetBSD: vfprintf.c,v 1.40 2001/11/28 11:58:22 kleink Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
 
@@ -812,12 +812,12 @@ cvt(value, ndigits, flags, sign, decpt, ch, length)
 		mode = 2;		/* ndigits significant digits */
 	}
 
-	if (value < 0) {
+	digits = __dtoa(value, mode, ndigits, decpt, &dsgn, &rve);
+	if (dsgn) {
 		value = -value;
 		*sign = '-';
 	} else
 		*sign = '\000';
-	digits = __dtoa(value, mode, ndigits, decpt, &dsgn, &rve);
 	if ((ch != 'g' && ch != 'G') || flags & ALT) {	/* Print trailing zeros */
 		bp = digits + ndigits;
 		if (ch == 'f') {