wip script output verification working

+ trim secure pos segfault
+ concat script message with server message

srcs/utils.cpp

@@ -15,9 +15,19 @@ std::vector<std::string> split(std::string input, char delimiter)
 
 std::string	trim(std::string str, char c)
 {
-	// TODO: protect substr
-	str = str.substr(str.find_first_not_of(c));
-	str = str.substr(0, str.find_last_not_of(c) + 1);
+	size_t	pos;
+
+	// delete leadings c
+	pos = str.find_first_not_of(c);
+	if (pos == std::string::npos)
+		return str;
+	str = str.substr(pos);
+
+	// delete endings c
+	pos = str.find_last_not_of(c);
+	if (pos == std::string::npos)
+		return str;
+	str = str.substr(0, pos + 1);
 
 	return str;
 }
@@ -107,7 +117,7 @@ std::string	str_tolower(std::string str)
 	return str;
 }
 
-void    delete_line_in_string(std::string * str, size_t pos, std::string delim)
+void    del_line_in_str(std::string * str, size_t pos, std::string delim)
 {
 	size_t	begin;
 	size_t	end;