From ba0cf20847d9aa8eb6c540ef7be20972010d6d64 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Wed, 15 Jul 2026 11:20:58 +0200
Subject: kernel: fix build issue after API change

---
 kernel/kernel/main.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/kernel/main.cpp b/kernel/kernel/main.cpp
index fef35ed9..6968782f 100644
--- a/kernel/kernel/main.cpp
+++ b/kernel/kernel/main.cpp
@@ -40,7 +40,7 @@ auto run_demo() -> void
 
   // 2) read from the file
   kstd::vector<std::byte> buffer_1{10};
-  auto bytes_read = *kapi::filesystem::read(fd_1.value(), buffer_1.data(), buffer_1.size());
+  auto bytes_read = *kapi::filesystem::read(fd_1.value(), buffer_1);
   auto buffer_as_str = std::string_view{reinterpret_cast<char *>(buffer_1.data()), bytes_read};
   kstd::println("--> read {} bytes from /entrance/tickets.txt: {}", bytes_read, buffer_as_str);
   kstd::println("");
@@ -79,7 +79,7 @@ auto run_demo() -> void
 
   // 6) read from the new file
   kstd::vector<std::byte> buffer_2{10};
-  bytes_read = *kapi::filesystem::read(fd_2.value(), buffer_2.data(), buffer_2.size());
+  bytes_read = *kapi::filesystem::read(fd_2.value(), buffer_2);
   buffer_as_str = std::string_view{reinterpret_cast<char *>(buffer_2.data()), static_cast<size_t>(bytes_read)};
   kstd::println("--> read {} bytes from /entrance/information/info_1.txt: {} ", bytes_read, buffer_as_str);
 
@@ -97,13 +97,13 @@ auto run_demo() -> void
 
   // 8) read from the device file
   kstd::vector<std::byte> buffer_3{2};
-  bytes_read = *kapi::filesystem::read(fd_3.value(), buffer_3.data(), buffer_3.size());
+  bytes_read = *kapi::filesystem::read(fd_3.value(), buffer_3);
   kstd::println("--> read {} bytes from /dev/ram32: {::#04x} ", bytes_read, buffer_3);
 
   // 9) write to the device file
   auto const default_buffer_value = std::byte{0xAA};
   kstd::vector<std::byte> write_buffer{default_buffer_value, default_buffer_value};
-  auto bytes_written = *kapi::filesystem::write(fd_3.value(), write_buffer.data(), write_buffer.size());
+  auto bytes_written = *kapi::filesystem::write(fd_3.value(), write_buffer);
   kstd::println("--> written {} bytes to /dev/ram32: {::#04x}", bytes_written, write_buffer);
 
   // 10) do memory dump to show that the write to the device file had an effect
@@ -135,7 +135,7 @@ auto run_demo() -> void
   kstd::vector<std::byte> test_write_buffer{
     std::byte{'H'}, std::byte{'e'}, std::byte{'l'}, std::byte{'l'}, std::byte{'o'}, std::byte{' '}, std::byte{'T'},
     std::byte{'e'}, std::byte{'a'}, std::byte{'c'}, std::byte{'h'}, std::byte{'O'}, std::byte{'S'}};
-  bytes_written = *kapi::filesystem::write(*fd_4, test_write_buffer.data(), test_write_buffer.size());
+  bytes_written = *kapi::filesystem::write(*fd_4, test_write_buffer);
   kstd::println("--> written {} bytes to /test_files/test_file.txt: {::#04x}", bytes_written, test_write_buffer);
 
   // 14) dmp the module after create new directory and file
-- 
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