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Merge pull request #702 from lioncash/initialize
partition_filesystem: Ensure all class members of PartitionFilesystem are initialized
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commit
b0334af05b
@ -11,6 +11,11 @@
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namespace FileSys {
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bool PartitionFilesystem::Header::HasValidMagicValue() const {
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return magic == Common::MakeMagic('H', 'F', 'S', '0') ||
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magic == Common::MakeMagic('P', 'F', 'S', '0');
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}
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PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
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// At least be as large as the header
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if (file->GetSize() < sizeof(Header)) {
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@ -20,19 +25,17 @@ PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
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// For cartridges, HFSs can get very large, so we need to calculate the size up to
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// the actual content itself instead of just blindly reading in the entire file.
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Header pfs_header;
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if (sizeof(Header) != file->ReadObject(&pfs_header)) {
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status = Loader::ResultStatus::Error;
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return;
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}
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if (pfs_header.magic != Common::MakeMagic('H', 'F', 'S', '0') &&
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pfs_header.magic != Common::MakeMagic('P', 'F', 'S', '0')) {
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if (!pfs_header.HasValidMagicValue()) {
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status = Loader::ResultStatus::ErrorInvalidFormat;
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return;
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}
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bool is_hfs = pfs_header.magic == Common::MakeMagic('H', 'F', 'S', '0');
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is_hfs = pfs_header.magic == Common::MakeMagic('H', 'F', 'S', '0');
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size_t entry_size = is_hfs ? sizeof(HFSEntry) : sizeof(PFSEntry);
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size_t metadata_size =
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@ -40,27 +43,13 @@ PartitionFilesystem::PartitionFilesystem(std::shared_ptr<VfsFile> file) {
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// Actually read in now...
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std::vector<u8> file_data = file->ReadBytes(metadata_size);
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const size_t total_size = file_data.size();
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if (file_data.size() != metadata_size) {
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if (total_size != metadata_size) {
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status = Loader::ResultStatus::Error;
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return;
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}
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size_t total_size = file_data.size();
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if (total_size < sizeof(Header)) {
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status = Loader::ResultStatus::Error;
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return;
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}
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memcpy(&pfs_header, file_data.data(), sizeof(Header));
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if (pfs_header.magic != Common::MakeMagic('H', 'F', 'S', '0') &&
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pfs_header.magic != Common::MakeMagic('P', 'F', 'S', '0')) {
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status = Loader::ResultStatus::ErrorInvalidFormat;
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return;
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}
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is_hfs = pfs_header.magic == Common::MakeMagic('H', 'F', 'S', '0');
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size_t entries_offset = sizeof(Header);
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size_t strtab_offset = entries_offset + (pfs_header.num_entries * entry_size);
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content_offset = strtab_offset + pfs_header.strtab_size;
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@ -42,6 +42,8 @@ private:
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u32_le num_entries;
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u32_le strtab_size;
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INSERT_PADDING_BYTES(0x4);
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bool HasValidMagicValue() const;
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};
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static_assert(sizeof(Header) == 0x10, "PFS/HFS header structure size is wrong");
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@ -73,11 +75,11 @@ private:
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#pragma pack(pop)
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Loader::ResultStatus status;
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Loader::ResultStatus status{};
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Header pfs_header;
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bool is_hfs;
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size_t content_offset;
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Header pfs_header{};
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bool is_hfs = false;
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size_t content_offset = 0;
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std::vector<VirtualFile> pfs_files;
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std::vector<VirtualDir> pfs_dirs;
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