[FL-2655, FL-2650] Buffered file streams (#1424)

* Initial buffered file stream implementation
* Fix logical errors
* Fix more logical errors
* Minimally working implementation
* Adapt infrared unit tests for buffered streams
* Increase read buffer size from 512 to 1K
* Correct naming and formatting
* More code improvements
* Allow passing access and open modes for buffered streams
* Implement tests for buffered streams
* Better file and method names
* Add comments and correct formatting
* Use buffered streams in Infrared
* Fix compilation error

lib/toolbox/stream/buffered_file_stream.h

@@ -0,0 +1,47 @@
+#pragma once
+#include <stdlib.h>
+#include <storage/storage.h>
+#include "stream.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Allocate a file stream with buffered read operations
+ * @return Stream*
+ */
+Stream* buffered_file_stream_alloc(Storage* storage);
+
+/**
+ * Opens an existing file or creates a new one.
+ * @param stream pointer to file stream object.
+ * @param path path to file
+ * @param access_mode access mode from FS_AccessMode
+ * @param open_mode open mode from FS_OpenMode
+ * @return success flag. You need to close the file even if the open operation failed.
+ */
+bool buffered_file_stream_open(
+    Stream* stream,
+    const char* path,
+    FS_AccessMode access_mode,
+    FS_OpenMode open_mode);
+
+/**
+ * Closes the file.
+ * @param stream
+ * @return true
+ * @return false
+ */
+bool buffered_file_stream_close(Stream* stream);
+
+/**
+ * Retrieves the error id from the file object
+ * @param stream pointer to stream object.
+ * @return FS_Error error id
+ */
+FS_Error buffered_file_stream_get_error(Stream* stream);
+
+#ifdef __cplusplus
+}
+#endif