500% performance gain in to_lower / to_upper

diff --git a/src/stringfunc.cpp b/src/stringfunc.cpp
index f7280f2..644e1ed 100644 (file)
--- a/src/stringfunc.cpp
+++ b/src/stringfunc.cpp
@@ -246,7 +246,7 @@ string to_lower(const string &src)
 {
     string dst = src;
 
-    string::size_type pos = 0, end = dst.size();
+    string::size_type pos, end = dst.size();
     for (pos = 0; pos < end; pos++)
         dst[pos] = tolower(dst[pos]);
 
@@ -257,7 +257,7 @@ string to_upper(const string &src)
 {
     string dst = src;
 
-    string::size_type pos = 0, end = dst.size();
+    string::size_type pos, end = dst.size();
     for (pos = 0; pos < end; pos++)
         dst[pos] = toupper(dst[pos]);