A bit of util refactorings

1 files changed, 4 insertions, 4 deletions

diff --git a/src/util.cc b/src/util.cc
index 010cde3..7ca9c11 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -15,7 +15,7 @@ std::string to_lower(std::string str)
 	std::transform(str.begin(), str.end(), str.begin(),
 	               [](unsigned char c)
 	               {
-		               return std::tolower(c);
+		               return static_cast<char>(std::tolower(c));
 	               });
 	return str;
 }
@@ -84,7 +84,7 @@ bool isClean(char c)
 }
 }
 
-std::string cleanUp(const std::string& path)
+std::string cleanUp(std::string_view path)
 {
 	std::string cleaned;
 	for(const auto& c : path)
@@ -101,7 +101,7 @@ std::string cleanUp(const std::string& path)
 	return cleaned;
 }
 
-std::string esc(const std::string& in)
+std::string esc(std::string_view in)
 {
 	std::string out;
 	for(auto c : in)
@@ -118,7 +118,7 @@ std::string esc(const std::string& in)
 	return out;
 }
 
-std::vector<std::string> get_paths(const std::string& path_env_)
+std::vector<std::string> get_paths(std::string_view path_env_)
 {
 	std::string path_env;
 	if(!path_env_.empty())