From 0cede465b9fe7b5024402663694b3d8bcbd22240 Mon Sep 17 00:00:00 2001
From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Thu, 6 Jul 2006 17:23:55 +0000
Subject: [PATCH] * strtod.c (strtod): cast the argument of tolower to unsigned
 char.

---
 lib/ChangeLog | 4 ++++
 lib/strtod.c  | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/ChangeLog b/lib/ChangeLog
index d2782def54..a29f436207 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,7 @@
+2006-07-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	* strtod.c (strtod): cast the argument of tolower to unsigned char.
+
 2006-07-05  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* memcasecmp.c: Include <limits.h>.
diff --git a/lib/strtod.c b/lib/strtod.c
index a59858ad5b..73f01f974a 100644
--- a/lib/strtod.c
+++ b/lib/strtod.c
@@ -101,7 +101,7 @@ strtod (const char *nptr, char **endptr)
   if (!got_digit)
     goto noconv;
 
-  if (tolower (*s) == 'e')
+  if (tolower ((unsigned char) *s) == 'e')
     {
       /* Get the exponent specified after the `e' or `E'.  */
       int save = errno;
-- 
2.30.2