chore: configure clang-tidy

1 files changed, 5 insertions, 2 deletions

diff --git a/arch/x86_64/src/vga/text.cpp b/arch/x86_64/src/vga/text.cpp
index 8aa809f..0e0d353 100644
--- a/arch/x86_64/src/vga/text.cpp
+++ b/arch/x86_64/src/vga/text.cpp
@@ -15,10 +15,12 @@ namespace teachos::vga::x86_64::text
 
   namespace
   {
+    // NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
     auto constinit buffer_offset = std::ptrdiff_t{};
 
     constexpr auto DEFAULT_TEXT_BUFFER_WIDTH = 80U;
     constexpr auto DEFAULT_TEXT_BUFFER_HEIGHT = 25U;
+    constexpr auto CURSOR_ENABLED_BIT = 5U;
 
     auto write_char(char code_point, attribute attribute) -> void
     {
@@ -29,12 +31,13 @@ namespace teachos::vga::x86_64::text
   auto device::clear(attribute attribute) -> void
   {
     buffer_offset = 0;
-    std::ranges::fill_n(vga_buffer_pointer.get(), 2000, std::pair{' ', std::bit_cast<std::byte>(attribute)});
+    std::ranges::fill_n(vga_buffer_pointer.get(), DEFAULT_TEXT_BUFFER_WIDTH * DEFAULT_TEXT_BUFFER_HEIGHT,
+                        std::pair{' ', std::bit_cast<std::byte>(attribute)});
   }
 
   auto device::cursor(bool enabled) -> void
   {
-    auto cursor_disable_byte = std::byte{!enabled} << 5;
+    auto cursor_disable_byte = std::byte{!enabled} << CURSOR_ENABLED_BIT;
 
     crtc::address::write(crtc::registers::cursor_start);
     crtc::data::write(crtc::data::read() | cursor_disable_byte);