From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 21 Apr 2012 15:57:39 +0000 (-0400)
Subject: fix overread (consuming an extra byte) scanning NAN
X-Git-Tag: v0.8.10~24
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=33e7781b5b71eac594b6fa539f6d75939e9b676d;p=oweals%2Fmusl.git

fix overread (consuming an extra byte) scanning NAN

bug detected by glib test suite
---

diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c
index 7381e9a4..b260381e 100644
--- a/src/internal/floatscan.c
+++ b/src/internal/floatscan.c
@@ -436,7 +436,7 @@ long double __floatscan(FILE *f, int prec, int pok)
 		return sign * INFINITY;
 	}
 	if (!i) for (i=0; i<3 && (c|32)=="nan"[i]; i++)
-		if (i<3) c = shgetc(f);
+		if (i<2) c = shgetc(f);
 	if (i==3) {
 		return NAN;
 	}