From: Thiago Farina <tfarina@chromium.org>
Date: Fri, 26 Feb 2016 22:47:21 +0000 (-0300)
Subject: add dns_toupper() helper function
X-Git-Tag: rec-4.0.0-alpha2~43^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F3465%2Fhead;p=thirdparty%2Fpdns.git

add dns_toupper() helper function

This patch adds a ASCII version of toupper() function, called
dns_toupper(), and use it in place of toupper().

This fixes issue #3425
---

diff --git a/pdns/misc.hh b/pdns/misc.hh
index 8d788dcdf4..d9e6f9f8c4 100644
--- a/pdns/misc.hh
+++ b/pdns/misc.hh
@@ -244,6 +244,13 @@ inline char dns_tolower(char c)
   return c;
 }
 
+inline char dns_toupper(char c)
+{
+  if(c>='a' && c<='z')
+    c+='A'-'a';
+  return c;
+}
+
 inline const string toLower(const string &upper)
 {
   string reply(upper);
@@ -281,7 +288,7 @@ inline string toUpper( const string& s )
 {
         string r(s);
         for( unsigned int i = 0; i < s.length(); i++ ) {
-        	r[i] = toupper( r[i] );
+          r[i] = dns_toupper(r[i]);
         }
         return r;
 }