diff options
author | Robin Gareus <robin@gareus.org> | 2017-03-22 16:59:02 +0100 |
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committer | Robin Gareus <robin@gareus.org> | 2017-03-22 16:59:02 +0100 |
commit | 4a180e68ba86ae1b2774879a95e89a236cd87e50 (patch) | |
tree | 2726a2d713ad9f29b5b75c13e48ab4fa2308845e /libs/lua/LuaBridge | |
parent | 35dcd46d7de2755be15b4fef51044094ba38eee2 (diff) |
Special case const std::string& Lua binding.
since 6dc3bdf, a const string reference would leave scope with Lua code
fn("text")
calling a C++
fn (const std::string&)
before the C++ function is called.
Diffstat (limited to 'libs/lua/LuaBridge')
-rw-r--r-- | libs/lua/LuaBridge/detail/Stack.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libs/lua/LuaBridge/detail/Stack.h b/libs/lua/LuaBridge/detail/Stack.h index e6ff637f19..7311c921f9 100644 --- a/libs/lua/LuaBridge/detail/Stack.h +++ b/libs/lua/LuaBridge/detail/Stack.h @@ -731,14 +731,15 @@ struct Stack <std::string const&> { static inline void push (lua_State* L, std::string const& str) { - lua_pushstring (L, str.c_str()); + lua_pushlstring (L, str.c_str (), str.size()); } - static inline std::string get (lua_State* L, int index) + static inline std::string& get (lua_State* L, int index) { size_t len; const char *str = luaL_checklstring(L, index, &len); - return std::string (str, len); + std::string* x = new (lua_newuserdata (L, sizeof (std::string))) std::string (str, len); + return *x; } }; |