From b91ac83e675ed779664fbe7fe8f0062a953aaf19 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 29 Nov 2003 11:55:52 +0000
Subject: (c_strtod): Save and restore original LC_NUMERIC setting, in case it
 was different from the environment-derived value. Patch by Paul Eggert.

---
 lib/c-strtod.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'lib')

diff --git a/lib/c-strtod.c b/lib/c-strtod.c
index b3fac020a..b3ce2b43a 100644
--- a/lib/c-strtod.c
+++ b/lib/c-strtod.c
@@ -27,8 +27,21 @@ double
 c_strtod (char const *nptr, char **endptr)
 {
   double r;
-  setlocale (LC_NUMERIC, "C");
+  char *saved_locale = setlocale (LC_NUMERIC, NULL);
+
+  if (saved_locale)
+    {
+      saved_locale = xstrdup (saved_locale);
+      setlocale (LC_NUMERIC, "C");
+    }
+
   r = strtod (nptr, endptr);
-  setlocale (LC_NUMERIC, "");
+
+  if (saved_locale)
+    {
+      setlocale (LC_NUMERIC, saved_locale);
+      free (saved_locale);
+    }
+
   return r;
 }
-- 
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