Lightemerald/windows-user-space-emulator
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Cleanup file syscalls

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momo5502
2025-04-11 20:42:26 +02:00
parent facfe2b6bf
commit 891dafaf26
5 changed files with 102 additions and 74 deletions
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87
src/windows-emulator/syscalls/file.cpp
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@@ -56,54 +56,46 @@ namespace syscalls
return STATUS_NOT_SUPPORTED;
}
NTSTATUS handle_NtQueryVolumeInformationFile(const syscall_context& c, const handle file_handle,
const uint64_t /*io_status_block*/, const uint64_t fs_information,
const ULONG /*length*/,
const FS_INFORMATION_CLASS fs_information_class)
NTSTATUS handle_NtQueryVolumeInformationFile(
const syscall_context& c, const handle file_handle,
const emulator_object<IO_STATUS_BLOCK<EmulatorTraits<Emu64>>> io_status_block, const uint64_t fs_information,
const ULONG length, const FS_INFORMATION_CLASS fs_information_class)
{
if (fs_information_class == FileFsDeviceInformation)
switch (fs_information_class)
{
const emulator_object<FILE_FS_DEVICE_INFORMATION> info_obj{c.emu, fs_information};
info_obj.access([&](FILE_FS_DEVICE_INFORMATION& info) {
if (file_handle == STDOUT_HANDLE && !c.win_emu.buffer_stdout)
{
info.DeviceType = FILE_DEVICE_CONSOLE;
info.Characteristics = 0x20000;
}
else
{
info.DeviceType = FILE_DEVICE_DISK;
info.Characteristics = 0x20020;
}
});
case FileFsDeviceInformation:
return handle_query<FILE_FS_DEVICE_INFORMATION>(
c.emu, fs_information, length, io_status_block, [&](FILE_FS_DEVICE_INFORMATION& info) {
if (file_handle == STDOUT_HANDLE && !c.win_emu.buffer_stdout)
{
info.DeviceType = FILE_DEVICE_CONSOLE;
info.Characteristics = 0x20000;
}
else
{
info.DeviceType = FILE_DEVICE_DISK;
info.Characteristics = 0x20020;
}
});
return STATUS_SUCCESS;
case FileFsSizeInformation:
return handle_query<FILE_FS_SIZE_INFORMATION>(c.emu, fs_information, length, io_status_block,
[&](FILE_FS_SIZE_INFORMATION& info) {
info.BytesPerSector = 0x1000;
info.SectorsPerAllocationUnit = 0x1000;
info.TotalAllocationUnits.QuadPart = 0x10000;
info.AvailableAllocationUnits.QuadPart = 0x1000;
});
case FileFsVolumeInformation:
return handle_query<FILE_FS_VOLUME_INFORMATION>(c.emu, fs_information, length, io_status_block,
[&](FILE_FS_VOLUME_INFORMATION&) {});
default:
c.win_emu.log.error("Unsupported fs info class: %X\n", fs_information_class);
c.emu.stop();
return write_io_status(io_status_block, STATUS_NOT_SUPPORTED, true);
}
if (fs_information_class == FileFsSizeInformation)
{
const emulator_object<FILE_FS_SIZE_INFORMATION> info_obj{c.emu, fs_information};
info_obj.access([&](FILE_FS_SIZE_INFORMATION& info) {
info.BytesPerSector = 0x1000;
info.SectorsPerAllocationUnit = 0x1000;
info.TotalAllocationUnits.QuadPart = 0x10000;
info.AvailableAllocationUnits.QuadPart = 0x1000;
});
return STATUS_SUCCESS;
}
if (fs_information_class == FileFsVolumeInformation)
{
constexpr FILE_FS_VOLUME_INFORMATION volume_info{};
c.emu.write_memory(fs_information, volume_info);
return STATUS_SUCCESS;
}
c.win_emu.log.error("Unsupported fs info class: %X\n", fs_information_class);
c.emu.stop();
return STATUS_NOT_SUPPORTED;
}
std::vector<file_entry> scan_directory(const std::filesystem::path& dir)
@@ -173,8 +165,9 @@ namespace syscalls
{
const auto object_offset = object.value() - file_information;
object.access(
[&](T& dir_info) { dir_info.NextEntryOffset = static_cast<ULONG>(new_offset - object_offset); });
object.access([&](T& dir_info) {
dir_info.NextEntryOffset = static_cast<ULONG>(new_offset - object_offset); //
});
}
T info{};
@@ -619,7 +612,7 @@ namespace syscalls
return STATUS_ACCESS_DENIED;
}
}
else if (!std::filesystem::is_directory(c.win_emu.file_sys.translate(f.name)))
else if (!is_directory(c.win_emu.file_sys.translate(f.name)))
{
return STATUS_OBJECT_NAME_NOT_FOUND;
}