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https://github.com/boykopovar/AnyPS5.git
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hypermistandClaude Opus 5.5
e66eae3c5a
The Dinkumware std::filesystem in titles calls twelve low-level helpers that libSceLibcInternal exports and this project did not: _Stat, _Lstat, _File_size, _Last_write_time, _Make_dir, _Remove_dir, _Unlink, _Chmod, _Current_get, _Open_dir, _Read_dir and _Close_dir. They now follow the PS5 12.00 module on top of the guest stat, mkdir, rmdir, unlink, chmod, getcwd and directory calls, with its results: file_type codes from the mode, not_found for ENOENT, ENOTDIR, EINVAL and ENAMETOOLONG, mkdir's 1/0/-errno, -1 for a failed size, and directory reads that skip the dot entries and report the type as unknown. As on the console, _Lstat follows links like _Stat. The two _Xfilesystem_error overloads are exported and still throw, as the guest filesystem_error type is not provided yet. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01RbLgECLQ2bpDM7oe2urGZK
137 lines
7.5 KiB
C++
137 lines
7.5 KiB
C++
#include "SceTypes.hpp"
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <filesystem>
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#include <fstream>
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#include <random>
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#include <set>
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#include <string>
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#include <system_error>
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extern "C" {
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int APS5_VABI _ZNSt10filesystem5_StatEPKcPNS_5permsEPi_nid_postfix(const char* path, int* perms, int* error);
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int APS5_VABI _ZNSt10filesystem6_LstatEPKcPNS_5permsEPi_nid_postfix(const char* path, int* perms, int* error);
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std::uint64_t APS5_VABI _ZNSt10filesystem10_File_sizeEPKcPi_nid_postfix(const char* path, int* error);
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int APS5_VABI _ZNSt10filesystem16_Last_write_timeEPKcPlS2__nid_postfix(const char* path, std::int64_t* seconds, std::int64_t* nanoseconds);
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int APS5_VABI _ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(const char* path, const char* existing);
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bool APS5_VABI _ZNSt10filesystem11_Remove_dirEPKc_nid_postfix(const char* path);
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int APS5_VABI _ZNSt10filesystem7_UnlinkEPKc_nid_postfix(const char* path);
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int APS5_VABI _ZNSt10filesystem6_ChmodEPKcNS_5permsE_nid_postfix(const char* path, int perms);
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bool APS5_VABI _ZNSt10filesystem12_Current_getERA260_c_nid_postfix(char* target);
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void* APS5_VABI _ZNSt10filesystem9_Open_dirERA260_cPKcRiRNS_9file_typeE_nid_postfix(char* target, const char* path, int* error, int* type);
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char* APS5_VABI _ZNSt10filesystem9_Read_dirERA260_cPvRNS_9file_typeE_nid_postfix(char* target, void* handle, int* type);
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int APS5_VABI _ZNSt10filesystem10_Close_dirEPv_nid_postfix(void* handle);
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int APS5_VABI stat_nid_postfix(const char* path, FileStat* sb);
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char* APS5_VABI getcwd_nid_postfix(char* buffer, std::size_t size);
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}
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namespace {
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constexpr int NoSuchFile = 2;
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constexpr int TypeNotFound = -1;
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constexpr int TypeRegular = 1;
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constexpr int TypeDirectory = 2;
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constexpr int TypeUnknown = 8;
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void Require(bool condition, const char* message) {
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if (condition) return;
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std::fprintf(stderr, "filesystem: %s\n", message);
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std::abort();
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}
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std::string root;
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std::string At(const char* name) {
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return root + "/" + name;
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}
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void Write(const std::string& path, std::size_t bytes) {
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std::ofstream file(path, std::ios::binary | std::ios::trunc);
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file << std::string(bytes, 'x');
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}
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void TestStat() {
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Write(At("file"), 7);
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int perms = -1;
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int error = -1;
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Require(_ZNSt10filesystem5_StatEPKcPNS_5permsEPi_nid_postfix(At("file").c_str(), &perms, &error) == TypeRegular && error == 0, "regular file");
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FileStat status{};
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Require(stat_nid_postfix(At("file").c_str(), &status) == 0 && perms == (status.st_mode & 07777), "permission bits");
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Require(_ZNSt10filesystem5_StatEPKcPNS_5permsEPi_nid_postfix(root.c_str(), nullptr, &error) == TypeDirectory && error == 0, "directory");
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perms = 1234;
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Require(_ZNSt10filesystem5_StatEPKcPNS_5permsEPi_nid_postfix(At("missing").c_str(), &perms, &error) == TypeNotFound && error == NoSuchFile && perms == 1234, "missing path");
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Require(_ZNSt10filesystem5_StatEPKcPNS_5permsEPi_nid_postfix(At("file/below").c_str(), nullptr, &error) == TypeNotFound, "path below a file");
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Require(_ZNSt10filesystem6_LstatEPKcPNS_5permsEPi_nid_postfix(At("file").c_str(), nullptr, &error) == TypeRegular && error == 0, "lstat of a regular file");
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std::error_code link;
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std::filesystem::create_symlink("file", At("link"), link);
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if (!link) Require(_ZNSt10filesystem6_LstatEPKcPNS_5permsEPi_nid_postfix(At("link").c_str(), nullptr, &error) == TypeRegular, "lstat follows a link as the console does");
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}
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void TestSizeAndTime() {
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int error = 0;
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Require(_ZNSt10filesystem10_File_sizeEPKcPi_nid_postfix(At("file").c_str(), &error) == 7 && error == 0, "file size");
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error = 0;
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Require(_ZNSt10filesystem10_File_sizeEPKcPi_nid_postfix(At("missing").c_str(), &error) == UINT64_MAX && error == NoSuchFile, "size of a missing file");
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std::int64_t seconds = 0;
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std::int64_t nanoseconds = -1;
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FileStat status{};
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Require(stat_nid_postfix(At("file").c_str(), &status) == 0, "stat for time");
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Require(_ZNSt10filesystem16_Last_write_timeEPKcPlS2__nid_postfix(At("file").c_str(), &seconds, &nanoseconds) == 0, "last write time");
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Require(seconds == status.st_mtim.tv_sec && nanoseconds == status.st_mtim.tv_nsec, "last write time matches stat");
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seconds = 5;
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Require(_ZNSt10filesystem16_Last_write_timeEPKcPlS2__nid_postfix(At("missing").c_str(), &seconds, &nanoseconds) == NoSuchFile && seconds == 5, "time of a missing file");
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}
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void TestDirectories() {
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Require(_ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(At("made").c_str(), nullptr) == 1, "make a directory");
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Require(_ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(At("made").c_str(), nullptr) == 0, "make an existing directory");
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Require(_ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(At("absent/made").c_str(), nullptr) == -NoSuchFile, "make below a missing directory");
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Require(_ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(At("copy").c_str(), At("missing").c_str()) == -NoSuchFile, "copy the mode of a missing directory");
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Require(_ZNSt10filesystem9_Make_dirEPKcS1__nid_postfix(At("copy").c_str(), At("made").c_str()) == 1, "copy the mode of a directory");
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Require(_ZNSt10filesystem11_Remove_dirEPKc_nid_postfix(At("copy").c_str()), "remove a directory");
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Require(!_ZNSt10filesystem11_Remove_dirEPKc_nid_postfix(At("copy").c_str()), "remove a missing directory");
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char name[260];
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int error = -1;
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int type = -1;
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Require(_ZNSt10filesystem9_Open_dirERA260_cPKcRiRNS_9file_typeE_nid_postfix(name, At("made").c_str(), &error, &type) == nullptr && error == 0 && name[0] == '\0', "an empty directory gives no handle");
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Require(_ZNSt10filesystem9_Open_dirERA260_cPKcRiRNS_9file_typeE_nid_postfix(name, At("missing").c_str(), &error, &type) == nullptr && error == NoSuchFile, "a missing directory");
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Write(At("made/one"), 1);
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Write(At("made/two"), 2);
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void* handle = _ZNSt10filesystem9_Open_dirERA260_cPKcRiRNS_9file_typeE_nid_postfix(name, At("made").c_str(), &error, &type);
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Require(handle != nullptr && error == 0 && type == TypeUnknown, "open a directory");
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std::set<std::string> names{name};
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type = 0;
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Require(_ZNSt10filesystem9_Read_dirERA260_cPvRNS_9file_typeE_nid_postfix(name, handle, &type) == name && type == TypeUnknown, "read a directory");
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names.insert(name);
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Require(names == std::set<std::string>{"one", "two"}, "entries without dot entries");
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Require(_ZNSt10filesystem9_Read_dirERA260_cPvRNS_9file_typeE_nid_postfix(name, handle, &type)[0] == '\0' && type == TypeUnknown, "end of the directory");
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Require(_ZNSt10filesystem10_Close_dirEPv_nid_postfix(handle) == 0, "close a directory");
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}
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void TestFiles() {
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Require(_ZNSt10filesystem6_ChmodEPKcNS_5permsE_nid_postfix(At("file").c_str(), 0600) == 0, "chmod");
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Require(_ZNSt10filesystem6_ChmodEPKcNS_5permsE_nid_postfix(At("missing").c_str(), 0600) == -1, "chmod of a missing file");
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Require(_ZNSt10filesystem7_UnlinkEPKc_nid_postfix(At("made/one").c_str()) == 0, "unlink");
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Require(_ZNSt10filesystem7_UnlinkEPKc_nid_postfix(At("made/one").c_str()) == NoSuchFile, "unlink a missing file");
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char current[260];
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char expected[256];
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Require(getcwd_nid_postfix(expected, sizeof(expected)) != nullptr, "getcwd");
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Require(_ZNSt10filesystem12_Current_getERA260_c_nid_postfix(current) && std::strcmp(current, expected) == 0, "current directory");
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}
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}
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int main() {
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root = "anyps5-libc-filesystem-" + std::to_string(std::random_device{}());
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std::filesystem::create_directory(root);
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TestStat();
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TestSizeAndTime();
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TestDirectories();
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TestFiles();
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std::error_code ignored;
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std::filesystem::remove_all(root, ignored);
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return 0;
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}
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