From 1e89cd804c9fb8d00e898c86580f55e075e54d18 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Tue, 22 Jun 2010 21:28:05 +0000
Subject: Avoid tolower, it's slow and unnecessary.

llvm-svn: 106580
---
 lldb/source/Utility/StringExtractor.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'lldb/source/Utility/StringExtractor.cpp')

diff --git a/lldb/source/Utility/StringExtractor.cpp b/lldb/source/Utility/StringExtractor.cpp
index d2f69f95b7c..86cd623f55c 100644
--- a/lldb/source/Utility/StringExtractor.cpp
+++ b/lldb/source/Utility/StringExtractor.cpp
@@ -17,18 +17,20 @@
 static inline int
 xdigit_to_sint (char ch)
 {
-    ch = tolower(ch);
     if (ch >= 'a' && ch <= 'f')
         return 10 + ch - 'a';
+    if (ch >= 'A' && ch <= 'F')
+        return 10 + ch - 'A';
     return ch - '0';
 }
 
 static inline unsigned int
 xdigit_to_uint (uint8_t ch)
 {
-    ch = tolower(ch);
     if (ch >= 'a' && ch <= 'f')
         return 10u + ch - 'a';
+    if (ch >= 'A' && ch <= 'F')
+        return 10u + ch - 'A';
     return ch - '0';
 }
 
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