1 files changed, 12 insertions, 0 deletions
diff --git a/base/string_util.h b/base/string_util.h
index 762779c..97b5100 100644
--- a/base/string_util.h
+++ b/base/string_util.h
@@ -380,6 +380,18 @@ inline bool IsHexDigit(Char c) {
          (c >= 'a' && c <= 'f');
 }
 
+template <typename Char>
+inline Char HexDigitToInt(Char c) {
+  DCHECK(IsHexDigit(c));
+  if (c >= '0' && c <= '9')
+    return c - '0';
+  if (c >= 'A' && c <= 'F')
+    return c - 'A' + 10;
+  if (c >= 'a' && c <= 'f')
+    return c - 'a' + 10;
+  return 0;
+}
+
 // Returns true if it's a whitespace character.
 inline bool IsWhitespace(wchar_t c) {
   return wcschr(kWhitespaceWide, c) != NULL;