diff options
Diffstat (limited to 'kernel/filesystem/src/file_descriptor_table.cpp')
| -rw-r--r-- | kernel/filesystem/src/file_descriptor_table.cpp | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/kernel/filesystem/src/file_descriptor_table.cpp b/kernel/filesystem/src/file_descriptor_table.cpp deleted file mode 100644 index 64fad0c..0000000 --- a/kernel/filesystem/src/file_descriptor_table.cpp +++ /dev/null @@ -1,82 +0,0 @@ -#include "filesystem/file_descriptor_table.hpp" - -#include "kapi/system.hpp" - -#include "filesystem/open_file_description.hpp" - -#include <algorithm> -#include <cstddef> -#include <optional> - -namespace filesystem -{ - namespace - { - constinit auto static global_file_descriptor_table = std::optional<file_descriptor_table>{}; - } // namespace - - auto file_descriptor_table::init() -> void - { - if (global_file_descriptor_table) - { - kapi::system::panic("[FILESYSTEM] File descriptor table has already been initialized."); - } - - global_file_descriptor_table.emplace(file_descriptor_table{}); - } - - auto file_descriptor_table::get() -> file_descriptor_table & - { - if (!global_file_descriptor_table) - { - kapi::system::panic("[FILESYSTEM] File descriptor table has not been initialized."); - } - - return *global_file_descriptor_table; - } - - auto file_descriptor_table::add_file(open_file_description & file_description) -> int - { - auto it = std::ranges::find_if(m_open_files, [](auto & open_file) { return !open_file.has_value(); }); - if (it != m_open_files.end()) - { - *it = file_description; - return static_cast<int>(it - m_open_files.begin()); - } - - m_open_files.push_back(file_description); - return static_cast<int>(m_open_files.size() - 1); - } - - auto file_descriptor_table::get_file(int fd) const -> std::optional<open_file_description> - { - if (fd < 0) - { - return std::nullopt; - } - - auto const index = static_cast<size_t>(fd); - if (index >= m_open_files.size() || !m_open_files.at(fd).has_value()) - { - return std::nullopt; - } - - return m_open_files.at(fd); - } - - auto file_descriptor_table::remove_file(int fd) -> void - { - if (fd < 0) - { - return; - } - - auto const index = static_cast<size_t>(fd); - if (index >= m_open_files.size()) - { - return; - } - - m_open_files.at(fd).reset(); - } -} // namespace filesystem
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