Files
Xenia-Canary/src/xenia/vfs/devices/null_file.cc
emoose bf8138a886 [VFS] Add NullDevice (returns success for all calls), handle \Device\Harddisk0\ with it
XMountUtilityDrive code tries reading/writing from \Device\Harddisk0\Cache0 / Cache1 / Partition0, NullDevice handling \Device\Harddisk0 will make that code think that the reads/writes were successful, so the utility-drive mount can proceed without failing.
2021-08-18 17:34:59 -05:00

53 lines
1.5 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2021 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/vfs/devices/null_file.h"
#include "xenia/vfs/devices/null_entry.h"
namespace xe {
namespace vfs {
NullFile::NullFile(uint32_t file_access, NullEntry* entry)
: File(file_access, entry) {}
NullFile::~NullFile() = default;
void NullFile::Destroy() { delete this; }
X_STATUS NullFile::ReadSync(void* buffer, size_t buffer_length,
size_t byte_offset, size_t* out_bytes_read) {
if (!(file_access_ & FileAccess::kFileReadData)) {
return X_STATUS_ACCESS_DENIED;
}
return X_STATUS_SUCCESS;
}
X_STATUS NullFile::WriteSync(const void* buffer, size_t buffer_length,
size_t byte_offset, size_t* out_bytes_written) {
if (!(file_access_ &
(FileAccess::kFileWriteData | FileAccess::kFileAppendData))) {
return X_STATUS_ACCESS_DENIED;
}
return X_STATUS_SUCCESS;
}
X_STATUS NullFile::SetLength(size_t length) {
if (!(file_access_ & FileAccess::kFileWriteData)) {
return X_STATUS_ACCESS_DENIED;
}
return X_STATUS_SUCCESS;
}
} // namespace vfs
} // namespace xe