Introduce LLWStringView to prevent unnecessary memory allocations

2 files changed, 3 insertions, 2 deletions

diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index bbb6aa2c20..5df0f8702d 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -758,7 +758,7 @@ std::string utf8str_showBytesUTF8(const std::string& utf8str)
 }
 
 // Search for any emoji symbol, return true if found
-bool wstring_has_emoji(const LLWString& wstr)
+bool wstring_has_emoji(LLWStringView wstr)
 {
     for (const llwchar& wch : wstr)
     {
diff --git a/indra/llcommon/llstring.h b/indra/llcommon/llstring.h
index 61d698687a..123f4184b5 100644
--- a/indra/llcommon/llstring.h
+++ b/indra/llcommon/llstring.h
@@ -448,6 +448,7 @@ template<class T> std::string LLStringUtilBase<T>::sLocale;
 typedef LLStringUtilBase<char> LLStringUtil;
 typedef LLStringUtilBase<llwchar> LLWStringUtil;
 typedef std::basic_string<llwchar> LLWString;
+typedef std::basic_string_view<llwchar> LLWStringView;
 
 //@ Use this where we want to disallow input in the form of "foo"
 //  This is used to catch places where english text is embedded in the code
@@ -749,7 +750,7 @@ LL_COMMON_API llwchar utf8str_to_wchar(const std::string& utf8str, size_t offset
 
 LL_COMMON_API std::string utf8str_showBytesUTF8(const std::string& utf8str);
 
-LL_COMMON_API bool wstring_has_emoji(const LLWString& wstr);
+LL_COMMON_API bool wstring_has_emoji(LLWStringView wstr);
 
 LL_COMMON_API bool wstring_remove_emojis(LLWString& wstr);