From df41e2509f3bbab594a1c2adba4d404135fc3705 Mon Sep 17 00:00:00 2001
From: Jan Synacek <jsynacek@redhat.com>
Date: Thu, 19 Nov 2015 10:15:06 +0100
Subject: [PATCH] ping: always use POSIX locale when parsing -i

Interpreting floating-point numbers from the command line based on the
current locale is a bad idea.

Original bugreport: https://bugzilla.redhat.com/show_bug.cgi?id=1283277
---
 ping.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/ping.c b/ping.c
index 95a10a7..c42d6eb 100644
--- a/ping.c
+++ b/ping.c
@@ -259,7 +259,13 @@ main(int argc, char **argv)
 			char *ep;
 
 			errno = 0;
+#ifdef USE_IDN
+			setlocale(LC_ALL, "C");
+#endif
 			dbl = strtod(optarg, &ep);
+#ifdef USE_IDN
+			setlocale(LC_ALL, "");
+#endif
 
 			if (errno || *ep != '\0' ||
 				!finite(dbl) || dbl < 0.0 || dbl >= (double)INT_MAX / 1000 - 1.0) {
-- 
2.5.0