implement first draft of a file_descriptor_table and open_file_description

1 files changed, 24 insertions, 0 deletions

diff --git a/kernel/filesystem/src/open_file_description.cpp b/kernel/filesystem/src/open_file_description.cpp
new file mode 100644
index 0000000..8c20397
--- /dev/null
+++ b/kernel/filesystem/src/open_file_description.cpp
@@ -0,0 +1,24 @@
+#include "filesystem/open_file_description.hpp"
+
+#include "filesystem/file.hpp"
+
+#include <cstddef>
+
+namespace filesystem
+{
+  auto open_file_description::read(void * buffer, size_t size) -> size_t
+  {
+    // TODO BA-FS26 nullptr check
+    auto read_bytes = m_file->read(buffer, m_offset, size);
+    m_offset += read_bytes;
+    return read_bytes;
+  }
+
+  auto open_file_description::write(void const * buffer, size_t size) -> size_t
+  {
+    // TODO BA-FS26 nullptr check
+    auto written_bytes = m_file->write(buffer, m_offset, size);
+    m_offset += written_bytes;
+    return written_bytes;
+  }
+}  // namespace filesystem
\ No newline at end of file