From 85beca6fed7f72859ee8418cd4df8fa0e5b90f7a Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 15 Jul 2026 09:41:42 +0200
Subject: kapi/fs: use spans for byte ranges

---
 kernel/kapi/filesystem.cpp | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'kernel/kapi/filesystem.cpp')

diff --git a/kernel/kapi/filesystem.cpp b/kernel/kapi/filesystem.cpp
index 822095e6..982d5df0 100644
--- a/kernel/kapi/filesystem.cpp
+++ b/kernel/kapi/filesystem.cpp
@@ -10,6 +10,7 @@
 
 #include <cstddef>
 #include <expected>
+#include <span>
 #include <string_view>
 
 namespace kapi::filesystem
@@ -41,17 +42,17 @@ namespace kapi::filesystem
         .and_then([=]() { return kernel::filesystem::open_file_table::get().remove_file(file_descriptor); });
   }
 
-  auto read(size_t file_descriptor, void * buffer, size_t size) -> std::expected<std::size_t, kstd::error_code>
+  auto read(size_t file_descriptor, std::span<std::byte> buffer) -> std::expected<std::size_t, kstd::error_code>
   {
     return kernel::filesystem::open_file_table::get().file(file_descriptor).and_then([=](auto descriptor) {
-      return descriptor->read(buffer, size);
+      return descriptor->read(buffer.data(), buffer.size());
     });
   }
 
-  auto write(size_t file_descriptor, void const * buffer, size_t size) -> std::expected<std::size_t, kstd::error_code>
+  auto write(size_t file_descriptor, std::span<std::byte const> buffer) -> std::expected<std::size_t, kstd::error_code>
   {
     return kernel::filesystem::open_file_table::get().file(file_descriptor).and_then([=](auto descriptor) {
-      return descriptor->write(buffer, size);
+      return descriptor->write(buffer.data(), buffer.size());
     });
   }
 
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