Fix warnings.fix_warnings

1 files changed, 10 insertions, 9 deletions

diff --git a/getoptpp.hpp b/getoptpp.hpp
index 92f8e82..a9791d1 100644
--- a/getoptpp.hpp
+++ b/getoptpp.hpp
@@ -116,14 +116,14 @@ class Options {
 				if(index >= (int)options.size()) {
 					break;
 				}
-				auto const & opt = options.at(index);
-				std::string args;
+				auto const & opt = options.at(static_cast<std::size_t>(index));
+				std::string _args;
 				switch(opt.has_arg) {
 				case required_argument:
-					args = "<x>";
+					_args = "<x>";
 					break;
 				case optional_argument:
-					args = "[x]";
+					_args = "[x]";
 					break;
 				case no_argument:
 				default:
@@ -133,11 +133,12 @@ class Options {
 				std::string option_str;
 				if(opt.val >= '!' && opt.val <= '~')
 				{
-					option_str = "  -" + std::string(1, opt.val) + ", --" + opt.name + " " + args;
+					auto c = static_cast<char>(opt.val);
+					option_str = "  -" + std::string(1, c) + ", --" + opt.name + " " + _args;
 				}
 				else
 				{
-					option_str = "      --" + std::string(opt.name) + " " + args;
+					option_str = "      --" + std::string(opt.name) + " " + _args;
 				}
 
 				std::string padding;
@@ -158,8 +159,8 @@ class Options {
 				{
 					if((c == '\n') || (i > column_width && (c == ' ' || c == '\t')))
 					{
-						std::string padding(width, ' ');
-						std::cout << '\n' << padding;
+						std::string _padding(width, ' ');
+						std::cout << '\n' << _padding;
 						i = width;
 						continue;
 					}
@@ -172,7 +173,7 @@ class Options {
 		}
 
 	private:
-		std::size_t num_flags{};
+		int num_flags{};
 		std::vector<option> options{};
 		std::deque<std::string> names{};
 		std::vector<std::string> help_texts{};