mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-10-22 08:33:12 -05:00
Alexej Szpevák
b71434d9b7
A ZArchive named app0.zar beside app0/ is a read-only layer under it. libc opens it at the first path resolution, looks paths missing from app0/ up case-insensitively, reads files across compressed blocks and keeps the archived descriptor table with shared positions. Resolving an archive-only path through a call that does not read the archive throws instead of failing with ENOENT, as do opendir of a directory present in both places, fdopen of an archived descriptor and chdir into the archive. A path through .. in an archive-only directory resolves.
49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
#ifndef CORE_LIBS_PRX_LIBC_INCLUDE_APPARCHIVE_HPP
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#define CORE_LIBS_PRX_LIBC_INCLUDE_APPARCHIVE_HPP
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#include <cstddef>
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#include <cstdint>
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#include <filesystem>
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#include <string>
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#include <vector>
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struct AppArchiveNode {
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std::uint32_t Handle;
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bool Directory;
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std::uint64_t Size;
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};
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struct AppArchiveBuffer {
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void* Base;
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std::size_t Length;
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};
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struct AppArchiveDirectoryEntry {
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std::string Name;
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bool Directory;
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};
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extern "C" {
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bool AppArchiveLookup_nid_no_patch(const std::filesystem::path& hostPath, AppArchiveNode* node);
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std::uint64_t AppArchiveRead_nid_no_patch(std::uint32_t handle, std::uint64_t offset, void* buffer, std::uint64_t length);
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std::vector<AppArchiveDirectoryEntry> AppArchiveList_nid_no_patch(std::uint32_t handle);
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void AppArchiveReady_nid_no_patch();
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void AppArchiveRefuseOnly_nid_no_patch(const std::filesystem::path& hostPath, const char* guestPath, const char* operation);
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void AppArchiveRefuseMergedListing_nid_no_patch(const std::filesystem::path& hostPath, const char* guestPath);
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void AppArchiveRefuseDescriptor_nid_no_patch(int descriptor, const char* operation);
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std::filesystem::path AppArchivePath_nid_no_patch();
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bool AppArchiveOnly_nid_no_patch(const std::filesystem::path& hostPath);
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bool AppArchiveHasDirectory_nid_no_patch(const std::filesystem::path& hostPath);
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void AppArchiveAttach_nid_no_patch(int descriptor, const AppArchiveNode& node);
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void AppArchiveShare_nid_no_patch(int from, int to);
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void AppArchiveDetach_nid_no_patch(int descriptor);
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bool AppArchiveDescriptor_nid_no_patch(int descriptor, AppArchiveNode* node, std::uint64_t* position);
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bool AppArchiveDescriptorRead_nid_no_patch(int descriptor, const AppArchiveBuffer* buffers, int count, const std::int64_t* offset, std::uint64_t* read);
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bool AppArchiveDescriptorSeek_nid_no_patch(int descriptor, std::int64_t offset, int whence, std::int64_t* position);
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}
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#endif
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