Move util/os.h dependency to the compiled library

Signed-off-by: Pavel Artsishevsky <polter.rnd@gmail.com>

include/slimlog/sink-inl.h

@@ -13,14 +13,19 @@
 #endif
 
 #include <slimlog/level.h>
+#include <slimlog/location.h>
 #include <slimlog/pattern.h>
 #include <slimlog/policy.h>
+#include <slimlog/record.h>
+#include <slimlog/util/os.h>
 
 #include <algorithm> // IWYU pragma: keep
+#include <cstddef>
 #include <initializer_list>
 #include <iterator>
 #include <memory>
 #include <string_view>
+#include <tuple>
 #include <unordered_map>
 #include <unordered_set>
 #include <utility>
@@ -146,6 +151,19 @@ auto SinkDriver<Logger, ThreadingPolicy>::remove_child(SinkDriver* child) -> voi
     m_children.erase(child);
 }
 
+template<typename Logger, typename ThreadingPolicy>
+auto SinkDriver<Logger, ThreadingPolicy>::create_record(
+    Level level, StringViewType category, Location location) -> RecordType
+{
+    RecordType record = {
+        level,
+        {location.file_name(), location.function_name(), static_cast<std::size_t>(location.line())},
+        std::move(category),
+        Util::OS::thread_id()};
+    std::tie(record.time.local, record.time.nsec) = Util::OS::local_time();
+    return record;
+}
+
 template<typename Logger, typename ThreadingPolicy>
 auto SinkDriver<Logger, ThreadingPolicy>::update_effective_sinks(SinkDriver* driver) -> SinkDriver*
 {

include/slimlog/sink.h

@@ -11,12 +11,10 @@
 #include <slimlog/pattern.h>
 #include <slimlog/policy.h>
 #include <slimlog/record.h>
-#include <slimlog/util/os.h>
 
-#include <cstddef>
 #include <initializer_list>
 #include <memory>
-#include <tuple>
+#include <string_view>
 #include <type_traits>
 #include <unordered_map>
 #include <unordered_set>
@@ -259,15 +257,7 @@ class SinkDriver final {
         Args&&... args) const -> void
     {
         FormatBufferType buffer; // NOLINT(misc-const-correctness)
-        RecordType record
-            = {level,
-               {location.file_name(),
-                location.function_name(),
-                static_cast<std::size_t>(location.line())},
-               std::move(category),
-               Util::OS::thread_id()};
-        std::tie(record.time.local, record.time.nsec) = Util::OS::local_time();
-        // MOVE THIS TO SEPARATE INL FUNC?
+        RecordType record = create_record(level, location, std::move(category));
 
         // Flag to check that message has been evaluated
         bool evaluated = false;
@@ -342,6 +332,18 @@ class SinkDriver final {
      */
     auto remove_child(SinkDriver* child) -> void;
 
+    /**
+     * @brief Create a new log record.
+     *
+     * This function creates a new log record with the specified log level, category, and location.
+     *
+     * @param level The log level of the record.
+     * @param category The category or module name associated with the log record.
+     * @param location The source code location where the log record is created.
+     * @return A new log record of type `RecordType`.
+     */
+    auto create_record(Level level, StringViewType category, Location location) -> RecordType;
+
 private:
     /**
      * @brief Recursively updates the effective sinks for