commit 0b145bac709ca5b803b7e1fb1a705bdc693867c1
author Benjamin Kramer <benny.kra@googlemail.com> Tue Jun 22 21:28:05 2010 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Tue Jun 22 21:28:05 2010 +0000
tree 7672a7b8bb3b8ed6a8d3ca79279d3878a961a564
parent 86c73c1d5fa79d5eb6bd278427a3fe2a37f73b98

Avoid tolower, it's slow and unnecessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@106580 91177308-0d34-0410-b5e6-96231b3b80d8

source/Utility/StringExtractor.cpp

diff --git a/source/Utility/StringExtractor.cpp b/source/Utility/StringExtractor.cpp
index d2f69f9..86cd623 100644
--- a/source/Utility/StringExtractor.cpp
+++ b/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';
 }