Bugfix/odr violations (#47)

* Make common non-member functions inline, remove unreachable line from get_line_buffer

* [skip ci] Fix namespace comments

include/ss/common.hpp

@@ -45,7 +45,7 @@ inline ssize_t get_line_file(char*& lineptr, size_t& n, FILE* file) {
 
 using ssize_t = intptr_t;
 
-ssize_t get_line_file(char*& lineptr, size_t& n, FILE* file) {
+inline ssize_t get_line_file(char*& lineptr, size_t& n, FILE* file) {
     char buff[get_line_initial_buffer_size];
 
     if (lineptr == nullptr || n < sizeof(buff)) {
@@ -81,7 +81,7 @@ ssize_t get_line_file(char*& lineptr, size_t& n, FILE* file) {
 
 #endif
 
-ssize_t get_line_buffer(char*& lineptr, size_t& n,
+inline ssize_t get_line_buffer(char*& lineptr, size_t& n,
                         const char* const csv_data_buffer, size_t csv_data_size,
                         size_t& curr_char) {
     if (curr_char >= csv_data_size) {
@@ -114,15 +114,11 @@ ssize_t get_line_buffer(char*& lineptr, size_t& n,
         }
     }
 
-    if (line_used != 0) {
-        lineptr[line_used] = '\0';
-        return line_used;
-    }
-
-    return -1;
+    lineptr[line_used] = '\0';
+    return line_used;
 }
 
-std::tuple<ssize_t, bool> get_line(char*& buffer, size_t& buffer_size,
+inline std::tuple<ssize_t, bool> get_line(char*& buffer, size_t& buffer_size,
                                    FILE* file,
                                    const char* const csv_data_buffer,
                                    size_t csv_data_size, size_t& curr_char) {
@@ -145,4 +141,4 @@ std::tuple<ssize_t, bool> get_line(char*& buffer, size_t& buffer_size,
     return {ssize, false};
 }
 
-} /* ss */
+} /* namespace ss */

include/ss/converter.hpp

@@ -493,4 +493,4 @@ private:
     size_t number_of_columns_;
 };
 
-} /* ss */
+} /* namespace ss */

include/ss/exception.hpp

@@ -20,4 +20,4 @@ public:
     }
 };
 
-} /* ss */
+} /* namespace ss */

include/ss/extract.hpp

@@ -142,7 +142,7 @@ template <typename T>
 struct unsupported_type {
     constexpr static bool value = false;
 };
-} /* namespace */
+} /* namespace errors */
 
 template <typename T>
 std::enable_if_t<!std::is_integral_v<T> && !std::is_floating_point_v<T> &&
@@ -247,4 +247,4 @@ inline bool extract(const char* begin, const char* end,
     return true;
 }
 
-} /* ss */
+} /* namespace ss */

include/ss/function_traits.hpp

@@ -77,4 +77,4 @@ struct member_wrapper<R T::*> {
     template <typename T>                                                      \
     constexpr bool has_m_##method##_t = has_m_##method<T>::value;
 
-} /* trait */
+} /* namespace ss */

include/ss/parser.hpp

@@ -971,4 +971,4 @@ private:
     bool eof_{false};
 };
 
-} /* ss */
+} /* namespace ss */

include/ss/restrictions.hpp

@@ -124,4 +124,4 @@ struct ne {
     }
 };
 
-} /* ss */
+} /* namespace ss */

include/ss/setup.hpp

@@ -293,4 +293,4 @@ private:
 template <typename... Options>
 struct setup<setup<Options...>> : setup<Options...> {};
 
-} /* ss */
+} /* namespace ss */

include/ss/splitter.hpp

@@ -6,7 +6,6 @@
 #include <algorithm>
 #include <cstdlib>
 #include <cstring>
-#include <memory>
 #include <string>
 #include <vector>
 
@@ -479,4 +478,4 @@ public:
     friend class converter;
 };
 
-} /* ss */
+} /* namespace ss */

include/ss/type_traits.hpp

@@ -378,4 +378,4 @@ T to_object(U&& data) {
     }
 }
 
-} /* trait */
+} /* namespace ss */