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fs.mitm: Implement DirectorySaveDataFileSystem.

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This commit is contained in:
Michael Scire
2019-03-28 10:43:33 -07:00
parent 994d7d5429
commit d00b183f92
11 changed files with 877 additions and 85 deletions
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26
stratosphere/ams_mitm/source/fs_mitm/fs_ifile.hpp
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@@ -49,6 +49,10 @@ class IFile {
return ReadImpl(out, offset, buffer, size);
}
Result Read(uint64_t *out, uint64_t offset, void *buffer, uint64_t size) {
return Read(out, offset, buffer, size, 0);
}
Result GetSize(uint64_t *out) {
if (out == nullptr) {
return ResultFsNullptrArgument;
@@ -71,8 +75,14 @@ class IFile {
return WriteImpl(offset, buffer, size, flush);
}
Result Write(uint64_t offset, void *buffer, uint64_t size) {
return WriteImpl(offset, buffer, size, false);
Result Write(uint64_t offset, void *buffer, uint64_t size, bool flush = false) {
if (size == 0) {
return 0;
}
if (buffer == nullptr) {
return ResultFsNullptrArgument;
}
return WriteImpl(offset, buffer, size, flush);
}
Result SetSize(uint64_t size) {
@@ -162,7 +172,7 @@ class ProxyFile : public IFile {
fsFileClose(this->base_file.get());
}
public:
virtual Result ReadImpl(u64 *out, u64 offset, void *buffer, u64 size) {
virtual Result ReadImpl(u64 *out, u64 offset, void *buffer, u64 size) override {
size_t out_sz;
Result rc = fsFileRead(this->base_file.get(), offset, buffer, size, &out_sz);
@@ -172,13 +182,13 @@ class ProxyFile : public IFile {
return rc;
}
virtual Result GetSizeImpl(u64 *out) {
virtual Result GetSizeImpl(u64 *out) override {
return fsFileGetSize(this->base_file.get(), out);
}
virtual Result FlushImpl() {
virtual Result FlushImpl() override {
return fsFileFlush(this->base_file.get());
}
virtual Result WriteImpl(u64 offset, void *buffer, u64 size, bool flush) {
virtual Result WriteImpl(u64 offset, void *buffer, u64 size, bool flush) override {
Result rc = fsFileWrite(this->base_file.get(), offset, buffer, size);
if (R_SUCCEEDED(rc)) {
/* libnx doesn't allow passing the flush flag. */
@@ -186,10 +196,10 @@ class ProxyFile : public IFile {
}
return rc;
}
virtual Result SetSizeImpl(u64 size) {
virtual Result SetSizeImpl(u64 size) override {
return fsFileSetSize(this->base_file.get(), size);
}
virtual Result OperateRangeImpl(u32 operation_type, u64 offset, u64 size, FsRangeInfo *out_range_info) {
virtual Result OperateRangeImpl(u32 operation_type, u64 offset, u64 size, FsRangeInfo *out_range_info) override {
return fsFileOperateRange(this->base_file.get(), operation_type, offset, size, out_range_info);
}
};