Lots of work on removing malloc from driver

luprex/core/cpp/util.hpp

@@ -2,6 +2,7 @@
 #define UTIL_HPP
 
 #include <string>
+#include <string_view>
 #include <set>
 #include <map>
 #include <algorithm>
@@ -99,10 +100,6 @@ int64_t strtoint(const std::string &value, int64_t errval);
 // String to double.  Returns NAN if the number is not parseable.
 double strtodouble(const std::string &value);
 
-// Split a string of the form "hostname:port" into a hostname and a port.
-// On failure, returns empty strings.
-void split_host_port(const std::string &target, std::string &host, std::string &port);
-
 // Trim strings: left end, right end, both ends.
 std::string ltrim(std::string s);
 std::string rtrim(std::string s);
@@ -120,6 +117,9 @@ LuaSourcePtr make_lua_source(const std::string &code);
 // Return true if the line of code is a lua comment.
 bool is_lua_comment(const std::string &line);
 
+// This has to go away.
+LuaSourcePtr read_lua_source(const std::string &dir);
+
 // Remove nullptrs from a vector of unique pointers.
 template<class T>
 void remove_nullptrs(std::vector<std::unique_ptr<T>> &vec) {
@@ -128,9 +128,6 @@ void remove_nullptrs(std::vector<std::unique_ptr<T>> &vec) {
     vec.erase(iter, vec.end());
 }
 
-// Read the lua source code from the specified directory.
-LuaSourcePtr read_lua_source(const std::string &directory);
-
 // An XYZ coordinate, general purpose.
 struct XYZ {
     float x, y, z;