1 files changed, 14 insertions, 0 deletions
diff --git a/contrib/rapidjson/include/rapidjson/internal/strfunc.h b/contrib/rapidjson/include/rapidjson/internal/strfunc.h
index baecb6cc8..b698a8f43 100644
--- a/contrib/rapidjson/include/rapidjson/internal/strfunc.h
+++ b/contrib/rapidjson/include/rapidjson/internal/strfunc.h
@@ -45,6 +45,20 @@ inline SizeType StrLen(const wchar_t* s) {
     return SizeType(std::wcslen(s));
 }
 
+//! Custom strcmpn() which works on different character types.
+/*! \tparam Ch Character type (e.g. char, wchar_t, short)
+    \param s1 Null-terminated input string.
+    \param s2 Null-terminated input string.
+    \return 0 if equal
+*/
+template<typename Ch>
+inline int StrCmp(const Ch* s1, const Ch* s2) {
+    RAPIDJSON_ASSERT(s1 != 0);
+    RAPIDJSON_ASSERT(s2 != 0);
+    while(*s1 && (*s1 == *s2)) { s1++; s2++; }
+    return static_cast<unsigned>(*s1) < static_cast<unsigned>(*s2) ? -1 : static_cast<unsigned>(*s1) > static_cast<unsigned>(*s2);
+}
+
 //! Returns number of code points in a encoded string.
 template<typename Encoding>
 bool CountStringCodePoint(const typename Encoding::Ch* s, SizeType length, SizeType* outCount) {