From: Rich Felker <dalias@aerifal.cx>
Date: Fri, 19 Oct 2012 00:26:41 +0000 (-0400)
Subject: avoid raising spurious division-by-zero exception in printf
X-Git-Tag: v0.9.7~27
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=776251867d07cca2866908186ef245f72596ce75;p=oweals%2Fmusl.git

avoid raising spurious division-by-zero exception in printf
---

diff --git a/src/stdio/vfprintf.c b/src/stdio/vfprintf.c
index 6525938f..4a2752b2 100644
--- a/src/stdio/vfprintf.c
+++ b/src/stdio/vfprintf.c
@@ -200,7 +200,7 @@ static int fmt_fp(FILE *f, long double y, int w, int p, int fl, int t)
 	char ebuf0[3*sizeof(int)], *ebuf=&ebuf0[3*sizeof(int)], *estr;
 
 	pl=1;
-	if (y<0 || 1/y<0) {
+	if (signbit(y)) {
 		y=-y;
 	} else if (fl & MARK_POS) {
 		prefix+=3;