Use string::size_type rather than unsigned to store string offsets

diff --git a/source/strings/regmatch.h b/source/strings/regmatch.h
index 325a9b229af08caf007ccbf64ae6a2dfa2ffd876..c5116cdc5408ec7238c65f6a250feb9bc23f8308 100644 (file)
--- a/source/strings/regmatch.h
+++ b/source/strings/regmatch.h
@@ -24,11 +24,13 @@ public:
        */
        struct Group
        {
-               bool match;       //< Whether or not this group matched
-               unsigned begin;   //< First offset of the match
-               unsigned end;     //< One-past-last offset
-               unsigned length;  //< Length of the match (end-begin)
-               std::string str;  //< The part of the string that matched
+               typedef std::string::size_type size_type;
+
+               bool match;        //< Whether or not this group matched
+               size_type begin;   //< First offset of the match
+               size_type end;     //< One-past-last offset
+               size_type length;  //< Length of the match (end-begin)
+               std::string str;   //< The part of the string that matched
 
                Group(): match(false) { }
                operator bool() const { return match; }