From 5c04a99e2afda8c6fddb2572cd6f9e975aa52238 Mon Sep 17 00:00:00 2001
From: unknown <kent@mysql.com/kent-amd64.(none)>
Date: Fri, 28 Sep 2007 22:35:48 +0200
Subject: [PATCH] ctype-simple.c:   Avoid undefined value when negating
 (bug#30069)

strings/ctype-simple.c:
  Avoid undefined value when negating (bug#30069)
---
 strings/ctype-simple.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/strings/ctype-simple.c b/strings/ctype-simple.c
index ccdfb5936b7..0355803daa8 100644
--- a/strings/ctype-simple.c
+++ b/strings/ctype-simple.c
@@ -802,7 +802,7 @@ int my_long10_to_str_8bit(CHARSET_INFO *cs __attribute__((unused)),
   {
     if (val < 0)
     {
-      val= -val;
+      val= -(unsigned long int)val;
       *dst++= '-';
       len--;
       sign= 1;
@@ -838,7 +838,7 @@ int my_longlong10_to_str_8bit(CHARSET_INFO *cs __attribute__((unused)),
   {
     if (val < 0)
     {
-      val = -val;
+      val = -(ulonglong)val;
       *dst++= '-';
       len--;
       sign= 1;