mirror of
https://github.com/hrydgard/ppsspp.git
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1111 lines
33 KiB
C++
1111 lines
33 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "ppsspp_config.h"
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#ifdef __MINGW32__
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#include <unistd.h>
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#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
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#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
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#endif
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#endif
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#include <algorithm>
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#include <ctime>
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#include <limits>
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#include "Common/Data/Text/I18n.h"
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#include "Common/Data/Encoding/Utf8.h"
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#include "Common/Serialize/Serializer.h"
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#include "Common/Serialize/SerializeFuncs.h"
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#include "Common/StringUtils.h"
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#include "Common/System/System.h"
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#include "Common/File/FileUtil.h"
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#include "Common/File/DiskFree.h"
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#include "Common/File/VFS/VFS.h"
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#include "Common/SysError.h"
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#include "Core/FileSystems/DirectoryFileSystem.h"
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#include "Core/FileSystems/ISOFileSystem.h"
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#include "Core/HLE/sceKernel.h"
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#include "Core/HW/MemoryStick.h"
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#include "Core/CoreTiming.h"
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#include "Core/System.h"
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#include "Core/Replay.h"
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#include "Core/Reporting.h"
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#ifdef _WIN32
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#include "Common/CommonWindows.h"
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#include <sys/stat.h>
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#if PPSSPP_PLATFORM(UWP)
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#include <fileapifromapp.h>
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#endif
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#undef FILE_OPEN
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#else
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#include <dirent.h>
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#include <unistd.h>
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#include <sys/stat.h>
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#if defined(__ANDROID__)
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#include <sys/types.h>
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#include <sys/vfs.h>
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#define statvfs statfs
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#else
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#include <sys/statvfs.h>
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#endif
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#include <ctype.h>
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#include <fcntl.h>
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#endif
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DirectoryFileSystem::DirectoryFileSystem(IHandleAllocator *_hAlloc, const Path & _basePath, FileSystemFlags _flags) : basePath(_basePath), flags(_flags) {
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File::CreateFullPath(basePath);
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hAlloc = _hAlloc;
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}
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DirectoryFileSystem::~DirectoryFileSystem() {
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CloseAll();
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}
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// TODO(scoped): Merge the two below functions somehow.
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Path DirectoryFileHandle::GetLocalPath(const Path &basePath, std::string localpath) const {
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if (localpath.empty())
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return basePath;
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if (localpath[0] == '/')
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localpath.erase(0, 1);
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if (fileSystemFlags_ & FileSystemFlags::STRIP_PSP) {
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if (startsWithNoCase(localpath, "PSP/")) {
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localpath = localpath.substr(4);
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}
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}
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return basePath / localpath;
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}
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Path DirectoryFileSystem::GetLocalPath(std::string internalPath) const {
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if (internalPath.empty())
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return basePath;
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if (internalPath[0] == '/')
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internalPath.erase(0, 1);
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if (flags & FileSystemFlags::STRIP_PSP) {
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if (startsWithNoCase(internalPath, "PSP/")) {
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internalPath = internalPath.substr(4);
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}
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}
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return basePath / internalPath;
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}
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bool DirectoryFileHandle::Open(const Path &basePath, std::string &fileName, FileAccess access, u32 &error) {
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error = 0;
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if (access == FILEACCESS_NONE) {
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error = SCE_KERNEL_ERROR_ERRNO_INVALID_ARGUMENT;
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return false;
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}
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#if HOST_IS_CASE_SENSITIVE
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if (access & (FILEACCESS_APPEND | FILEACCESS_CREATE | FILEACCESS_WRITE)) {
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DEBUG_LOG(FILESYS, "Checking case for path %s", fileName.c_str());
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if (!FixPathCase(basePath, fileName, FPC_PATH_MUST_EXIST)) {
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error = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
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return false; // or go on and attempt (for a better error code than just 0?)
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}
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}
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// else we try fopen first (in case we're lucky) before simulating case insensitivity
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#endif
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Path fullName = GetLocalPath(basePath, fileName);
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// On the PSP, truncating doesn't lose data. If you seek later, you'll recover it.
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// This is abnormal, so we deviate from the PSP's behavior and truncate on write/close.
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// This means it's incorrectly not truncated before the write.
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if (access & FILEACCESS_TRUNCATE) {
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needsTrunc_ = 0;
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}
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//TODO: tests, should append seek to end of file? seeking in a file opened for append?
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#if PPSSPP_PLATFORM(WINDOWS)
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// Convert parameters to Windows permissions and access
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DWORD desired = 0;
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DWORD sharemode = 0;
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DWORD openmode = 0;
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if (access & FILEACCESS_READ) {
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desired |= GENERIC_READ;
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sharemode |= FILE_SHARE_READ;
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}
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if (access & FILEACCESS_WRITE) {
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desired |= GENERIC_WRITE;
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sharemode |= FILE_SHARE_WRITE | FILE_SHARE_READ;
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}
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if (access & FILEACCESS_CREATE) {
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if (access & FILEACCESS_EXCL) {
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openmode = CREATE_NEW;
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} else {
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openmode = OPEN_ALWAYS;
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}
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} else {
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openmode = OPEN_EXISTING;
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}
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// Let's do it!
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#if PPSSPP_PLATFORM(UWP)
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hFile = CreateFile2FromAppW(fullName.ToWString().c_str(), desired, sharemode, openmode, nullptr);
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#else
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hFile = CreateFile(fullName.ToWString().c_str(), desired, sharemode, 0, openmode, 0, 0);
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#endif
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bool success = hFile != INVALID_HANDLE_VALUE;
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if (!success) {
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DWORD w32err = GetLastError();
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if (w32err == ERROR_SHARING_VIOLATION) {
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// Sometimes, the file is locked for write, let's try again.
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sharemode |= FILE_SHARE_WRITE;
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#if PPSSPP_PLATFORM(UWP)
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hFile = CreateFile2FromAppW(fullName.ToWString().c_str(), desired, sharemode, openmode, nullptr);
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#else
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hFile = CreateFile(fullName.ToWString().c_str(), desired, sharemode, 0, openmode, 0, 0);
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#endif
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success = hFile != INVALID_HANDLE_VALUE;
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if (!success) {
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w32err = GetLastError();
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}
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}
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if (w32err == ERROR_DISK_FULL || w32err == ERROR_NOT_ENOUGH_QUOTA) {
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// This is returned when the disk is full.
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auto err = GetI18NCategory("Error");
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System_NotifyUserMessage(err->T("Disk full while writing data"));
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error = SCE_KERNEL_ERROR_ERRNO_NO_PERM;
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} else if (!success) {
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error = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
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}
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}
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#else
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if (fullName.Type() == PathType::CONTENT_URI) {
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// Convert flags. Don't want to share this type, bad dependency.
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u32 flags = File::OPEN_NONE;
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if (access & FILEACCESS_READ)
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flags |= File::OPEN_READ;
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if (access & FILEACCESS_WRITE)
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flags |= File::OPEN_WRITE;
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if (access & FILEACCESS_APPEND)
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flags |= File::OPEN_APPEND;
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if (access & FILEACCESS_CREATE)
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flags |= File::OPEN_CREATE;
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// Important: don't pass TRUNCATE here, the PSP truncates weirdly. See #579.
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// See above about truncate behavior. Just add READ to preserve data here.
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if (access & FILEACCESS_TRUNCATE)
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flags |= File::OPEN_READ;
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int fd = File::OpenFD(fullName, (File::OpenFlag)flags);
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// Try to detect reads/writes to PSP/GAME to avoid them in replays.
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if (fullName.FilePathContainsNoCase("PSP/GAME/")) {
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inGameDir_ = true;
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}
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hFile = fd;
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if (fd != -1) {
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// Success
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return true;
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} else {
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ERROR_LOG(FILESYS, "File::OpenFD returned an error");
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// TODO: Need better error codes from OpenFD so we can distinguish
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// disk full. Just set not found for now.
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error = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
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return false;
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}
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}
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int flags = 0;
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if (access & FILEACCESS_APPEND) {
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flags |= O_APPEND;
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}
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if ((access & FILEACCESS_READ) && (access & FILEACCESS_WRITE)) {
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flags |= O_RDWR;
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} else if (access & FILEACCESS_READ) {
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flags |= O_RDONLY;
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} else if (access & FILEACCESS_WRITE) {
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flags |= O_WRONLY;
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}
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if (access & FILEACCESS_CREATE) {
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flags |= O_CREAT;
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}
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if (access & FILEACCESS_EXCL) {
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flags |= O_EXCL;
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}
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hFile = open(fullName.c_str(), flags, 0666);
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bool success = hFile != -1;
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#endif
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#if HOST_IS_CASE_SENSITIVE
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if (!success && !(access & FILEACCESS_CREATE)) {
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if (!FixPathCase(basePath, fileName, FPC_PATH_MUST_EXIST)) {
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error = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
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return false;
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}
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fullName = GetLocalPath(basePath, fileName);
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const char *fullNameC = fullName.c_str();
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DEBUG_LOG(FILESYS, "Case may have been incorrect, second try opening %s (%s)", fullNameC, fileName.c_str());
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// And try again with the correct case this time
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#ifdef _WIN32
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hFile = CreateFile(fullNameC, desired, sharemode, 0, openmode, 0, 0);
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success = hFile != INVALID_HANDLE_VALUE;
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#else
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hFile = open(fullNameC, flags, 0666);
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success = hFile != -1;
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#endif
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}
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#endif
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#ifndef _WIN32
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if (success) {
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// Reject directories, even if we succeed in opening them.
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// TODO: Might want to do this stat first...
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struct stat st;
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if (fstat(hFile, &st) == 0 && S_ISDIR(st.st_mode)) {
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close(hFile);
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errno = EISDIR;
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success = false;
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}
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} else if (errno == ENOSPC) {
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// This is returned when the disk is full.
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auto err = GetI18NCategory("Error");
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System_NotifyUserMessage(err->T("Disk full while writing data"));
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error = SCE_KERNEL_ERROR_ERRNO_NO_PERM;
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} else {
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error = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
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}
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#endif
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// Try to detect reads/writes to PSP/GAME to avoid them in replays.
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if (fullName.FilePathContainsNoCase("PSP/GAME/")) {
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inGameDir_ = true;
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}
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if (access & (FILEACCESS_APPEND | FILEACCESS_CREATE | FILEACCESS_WRITE)) {
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MemoryStick_NotifyWrite();
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}
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return success;
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}
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size_t DirectoryFileHandle::Read(u8* pointer, s64 size)
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{
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size_t bytesRead = 0;
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if (needsTrunc_ != -1) {
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// If the file was marked to be truncated, pretend there's nothing.
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// On a PSP. it actually is truncated, but the data wasn't erased.
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off_t off = (off_t)Seek(0, FILEMOVE_CURRENT);
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if (needsTrunc_ <= off) {
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return replay_ ? ReplayApplyDiskRead(pointer, 0, (uint32_t)size, inGameDir_, CoreTiming::GetGlobalTimeUs()) : 0;
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}
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if (needsTrunc_ < off + size) {
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size = needsTrunc_ - off;
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}
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}
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if (size > 0) {
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#ifdef _WIN32
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::ReadFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesRead, 0);
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#else
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bytesRead = read(hFile, pointer, size);
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#endif
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}
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return replay_ ? ReplayApplyDiskRead(pointer, (uint32_t)bytesRead, (uint32_t)size, inGameDir_, CoreTiming::GetGlobalTimeUs()) : bytesRead;
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}
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size_t DirectoryFileHandle::Write(const u8* pointer, s64 size)
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{
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size_t bytesWritten = 0;
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bool diskFull = false;
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#ifdef _WIN32
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BOOL success = ::WriteFile(hFile, (LPVOID)pointer, (DWORD)size, (LPDWORD)&bytesWritten, 0);
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if (success == FALSE) {
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DWORD err = GetLastError();
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diskFull = err == ERROR_DISK_FULL || err == ERROR_NOT_ENOUGH_QUOTA;
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}
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#else
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bytesWritten = write(hFile, pointer, size);
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if (bytesWritten == (size_t)-1) {
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diskFull = errno == ENOSPC;
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}
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#endif
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if (needsTrunc_ != -1) {
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off_t off = (off_t)Seek(0, FILEMOVE_CURRENT);
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if (needsTrunc_ < off) {
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needsTrunc_ = off;
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}
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}
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if (replay_) {
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bytesWritten = ReplayApplyDiskWrite(pointer, (uint64_t)bytesWritten, (uint64_t)size, &diskFull, inGameDir_, CoreTiming::GetGlobalTimeUs());
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}
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MemoryStick_NotifyWrite();
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if (diskFull) {
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ERROR_LOG(FILESYS, "Disk full");
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auto err = GetI18NCategory("Error");
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System_NotifyUserMessage(err->T("Disk full while writing data"));
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// We only return an error when the disk is actually full.
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// When writing this would cause the disk to be full, so it wasn't written, we return 0.
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if (MemoryStick_FreeSpace() == 0) {
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// Sign extend on 64-bit.
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return (size_t)(s64)(s32)SCE_KERNEL_ERROR_ERRNO_DEVICE_NO_FREE_SPACE;
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}
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}
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return bytesWritten;
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}
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size_t DirectoryFileHandle::Seek(s32 position, FileMove type)
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{
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if (needsTrunc_ != -1) {
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// If the file is "currently truncated" move to the end based on that position.
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// The actual, underlying file hasn't been truncated (yet.)
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if (type == FILEMOVE_END) {
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type = FILEMOVE_BEGIN;
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position = needsTrunc_ + position;
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}
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}
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size_t result;
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#ifdef _WIN32
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DWORD moveMethod = 0;
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switch (type) {
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case FILEMOVE_BEGIN: moveMethod = FILE_BEGIN; break;
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case FILEMOVE_CURRENT: moveMethod = FILE_CURRENT; break;
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case FILEMOVE_END: moveMethod = FILE_END; break;
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}
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LARGE_INTEGER distance;
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distance.QuadPart = position;
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LARGE_INTEGER cursor;
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SetFilePointerEx(hFile, distance, &cursor, moveMethod);
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result = (size_t)cursor.QuadPart;
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#else
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int moveMethod = 0;
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switch (type) {
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case FILEMOVE_BEGIN: moveMethod = SEEK_SET; break;
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case FILEMOVE_CURRENT: moveMethod = SEEK_CUR; break;
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case FILEMOVE_END: moveMethod = SEEK_END; break;
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}
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result = lseek(hFile, position, moveMethod);
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#endif
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return replay_ ? (size_t)ReplayApplyDisk64(ReplayAction::FILE_SEEK, result, CoreTiming::GetGlobalTimeUs()) : result;
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}
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void DirectoryFileHandle::Close()
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{
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if (needsTrunc_ != -1) {
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#ifdef _WIN32
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Seek((s32)needsTrunc_, FILEMOVE_BEGIN);
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if (SetEndOfFile(hFile) == 0) {
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ERROR_LOG_REPORT(FILESYS, "Failed to truncate file.");
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}
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#elif !PPSSPP_PLATFORM(SWITCH)
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// Note: it's not great that Switch cannot truncate appropriately...
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if (ftruncate(hFile, (off_t)needsTrunc_) != 0) {
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ERROR_LOG_REPORT(FILESYS, "Failed to truncate file.");
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}
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#endif
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}
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#ifdef _WIN32
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if (hFile != (HANDLE)-1)
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CloseHandle(hFile);
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#else
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if (hFile != -1)
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close(hFile);
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#endif
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}
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void DirectoryFileSystem::CloseAll() {
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for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
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INFO_LOG(FILESYS, "DirectoryFileSystem::CloseAll(): Force closing %d (%s)", (int)iter->first, iter->second.guestFilename.c_str());
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iter->second.hFile.Close();
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}
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entries.clear();
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}
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bool DirectoryFileSystem::MkDir(const std::string &dirname) {
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bool result;
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#if HOST_IS_CASE_SENSITIVE
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// Must fix case BEFORE attempting, because MkDir would create
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// duplicate (different case) directories
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std::string fixedCase = dirname;
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if (!FixPathCase(basePath, fixedCase, FPC_PARTIAL_ALLOWED))
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result = false;
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else
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result = File::CreateFullPath(GetLocalPath(fixedCase));
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#else
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result = File::CreateFullPath(GetLocalPath(dirname));
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#endif
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MemoryStick_NotifyWrite();
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return ReplayApplyDisk(ReplayAction::MKDIR, result, CoreTiming::GetGlobalTimeUs()) != 0;
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}
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bool DirectoryFileSystem::RmDir(const std::string &dirname) {
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Path fullName = GetLocalPath(dirname);
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#if HOST_IS_CASE_SENSITIVE
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// Maybe we're lucky?
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if (File::DeleteDirRecursively(fullName)) {
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MemoryStick_NotifyWrite();
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return (bool)ReplayApplyDisk(ReplayAction::RMDIR, true, CoreTiming::GetGlobalTimeUs());
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}
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// Nope, fix case and try again. Should we try again?
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std::string fullPath = dirname;
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if (!FixPathCase(basePath, fullPath, FPC_FILE_MUST_EXIST))
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return (bool)ReplayApplyDisk(ReplayAction::RMDIR, false, CoreTiming::GetGlobalTimeUs());
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fullName = GetLocalPath(fullPath);
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#endif
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bool result = File::DeleteDirRecursively(fullName);
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MemoryStick_NotifyWrite();
|
|
return ReplayApplyDisk(ReplayAction::RMDIR, result, CoreTiming::GetGlobalTimeUs()) != 0;
|
|
}
|
|
|
|
int DirectoryFileSystem::RenameFile(const std::string &from, const std::string &to) {
|
|
std::string fullTo = to;
|
|
|
|
// Rename ignores the path (even if specified) on to.
|
|
size_t chop_at = to.find_last_of('/');
|
|
if (chop_at != to.npos)
|
|
fullTo = to.substr(chop_at + 1);
|
|
|
|
// Now put it in the same directory as from.
|
|
size_t dirname_end = from.find_last_of('/');
|
|
if (dirname_end != from.npos)
|
|
fullTo = from.substr(0, dirname_end + 1) + fullTo;
|
|
|
|
// At this point, we should check if the paths match and give an already exists error.
|
|
if (from == fullTo)
|
|
return ReplayApplyDisk(ReplayAction::FILE_RENAME, SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS, CoreTiming::GetGlobalTimeUs());
|
|
|
|
Path fullFrom = GetLocalPath(from);
|
|
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
// In case TO should overwrite a file with different case. Check error code?
|
|
if (!FixPathCase(basePath, fullTo, FPC_PATH_MUST_EXIST))
|
|
return ReplayApplyDisk(ReplayAction::FILE_RENAME, -1, CoreTiming::GetGlobalTimeUs());
|
|
#endif
|
|
|
|
Path fullToPath = GetLocalPath(fullTo);
|
|
|
|
bool retValue = File::Rename(fullFrom, fullToPath);
|
|
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
if (!retValue)
|
|
{
|
|
// May have failed due to case sensitivity on FROM, so try again. Check error code?
|
|
std::string fullFromPath = from;
|
|
if (!FixPathCase(basePath, fullFromPath, FPC_FILE_MUST_EXIST))
|
|
return ReplayApplyDisk(ReplayAction::FILE_RENAME, -1, CoreTiming::GetGlobalTimeUs());
|
|
fullFrom = GetLocalPath(fullFromPath);
|
|
|
|
retValue = File::Rename(fullFrom, fullToPath);
|
|
}
|
|
#endif
|
|
|
|
// TODO: Better error codes.
|
|
int result = retValue ? 0 : (int)SCE_KERNEL_ERROR_ERRNO_FILE_ALREADY_EXISTS;
|
|
MemoryStick_NotifyWrite();
|
|
return ReplayApplyDisk(ReplayAction::FILE_RENAME, result, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
bool DirectoryFileSystem::RemoveFile(const std::string &filename) {
|
|
Path localPath = GetLocalPath(filename);
|
|
|
|
bool retValue = File::Delete(localPath);
|
|
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
if (!retValue)
|
|
{
|
|
// May have failed due to case sensitivity, so try again. Try even if it fails?
|
|
std::string fullNamePath = filename;
|
|
if (!FixPathCase(basePath, fullNamePath, FPC_FILE_MUST_EXIST))
|
|
return (bool)ReplayApplyDisk(ReplayAction::FILE_REMOVE, false, CoreTiming::GetGlobalTimeUs());
|
|
localPath = GetLocalPath(fullNamePath);
|
|
|
|
retValue = File::Delete(localPath);
|
|
}
|
|
#endif
|
|
|
|
MemoryStick_NotifyWrite();
|
|
return ReplayApplyDisk(ReplayAction::FILE_REMOVE, retValue, CoreTiming::GetGlobalTimeUs()) != 0;
|
|
}
|
|
|
|
int DirectoryFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
|
|
OpenFileEntry entry;
|
|
entry.hFile.fileSystemFlags_ = flags;
|
|
u32 err = 0;
|
|
bool success = entry.hFile.Open(basePath, filename, (FileAccess)(access & FILEACCESS_PSP_FLAGS), err);
|
|
if (err == 0 && !success) {
|
|
err = SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
|
|
}
|
|
|
|
err = ReplayApplyDisk(ReplayAction::FILE_OPEN, err, CoreTiming::GetGlobalTimeUs());
|
|
if (err != 0) {
|
|
std::string errorString;
|
|
int logError;
|
|
#ifdef _WIN32
|
|
auto win32err = GetLastError();
|
|
logError = (int)win32err;
|
|
errorString = GetStringErrorMsg(win32err);
|
|
#else
|
|
logError = (int)errno;
|
|
#endif
|
|
if (!(access & FILEACCESS_PPSSPP_QUIET)) {
|
|
ERROR_LOG(FILESYS, "DirectoryFileSystem::OpenFile('%s'): FAILED, %d - access = %d '%s'", filename.c_str(), logError, (int)(access & FILEACCESS_PSP_FLAGS), errorString.c_str());
|
|
}
|
|
return err;
|
|
} else {
|
|
#ifdef _WIN32
|
|
if (access & FILEACCESS_APPEND) {
|
|
entry.hFile.Seek(0, FILEMOVE_END);
|
|
}
|
|
#endif
|
|
|
|
u32 newHandle = hAlloc->GetNewHandle();
|
|
|
|
entry.guestFilename = filename;
|
|
entry.access = (FileAccess)(access & FILEACCESS_PSP_FLAGS);
|
|
|
|
entries[newHandle] = entry;
|
|
|
|
return newHandle;
|
|
}
|
|
}
|
|
|
|
void DirectoryFileSystem::CloseFile(u32 handle) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
hAlloc->FreeHandle(handle);
|
|
iter->second.hFile.Close();
|
|
entries.erase(iter);
|
|
} else {
|
|
//This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot close file that hasn't been opened: %08x", handle);
|
|
}
|
|
}
|
|
|
|
bool DirectoryFileSystem::OwnsHandle(u32 handle) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
return (iter != entries.end());
|
|
}
|
|
|
|
int DirectoryFileSystem::Ioctl(u32 handle, u32 cmd, u32 indataPtr, u32 inlen, u32 outdataPtr, u32 outlen, int &usec) {
|
|
return SCE_KERNEL_ERROR_ERRNO_FUNCTION_NOT_SUPPORTED;
|
|
}
|
|
|
|
PSPDevType DirectoryFileSystem::DevType(u32 handle) {
|
|
return PSPDevType::FILE;
|
|
}
|
|
|
|
size_t DirectoryFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
|
|
int ignored;
|
|
return ReadFile(handle, pointer, size, ignored);
|
|
}
|
|
|
|
size_t DirectoryFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
if (size < 0) {
|
|
ERROR_LOG_REPORT(FILESYS, "Invalid read for %lld bytes from disk %s", size, iter->second.guestFilename.c_str());
|
|
return 0;
|
|
}
|
|
|
|
size_t bytesRead = iter->second.hFile.Read(pointer,size);
|
|
return bytesRead;
|
|
} else {
|
|
// This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot read file that hasn't been opened: %08x", handle);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
size_t DirectoryFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
|
|
int ignored;
|
|
return WriteFile(handle, pointer, size, ignored);
|
|
}
|
|
|
|
size_t DirectoryFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size, int &usec) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
size_t bytesWritten = iter->second.hFile.Write(pointer,size);
|
|
return bytesWritten;
|
|
} else {
|
|
//This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot write to file that hasn't been opened: %08x", handle);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
size_t DirectoryFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
return iter->second.hFile.Seek(position,type);
|
|
} else {
|
|
//This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot seek in file that hasn't been opened: %08x", handle);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
PSPFileInfo DirectoryFileSystem::GetFileInfo(std::string filename) {
|
|
PSPFileInfo x;
|
|
x.name = filename;
|
|
|
|
File::FileInfo info;
|
|
Path fullName = GetLocalPath(filename);
|
|
if (!File::GetFileInfo(fullName, &info)) {
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
if (! FixPathCase(basePath, filename, FPC_FILE_MUST_EXIST))
|
|
return ReplayApplyDiskFileInfo(x, CoreTiming::GetGlobalTimeUs());
|
|
fullName = GetLocalPath(filename);
|
|
|
|
if (!File::GetFileInfo(fullName, &info))
|
|
return ReplayApplyDiskFileInfo(x, CoreTiming::GetGlobalTimeUs());
|
|
#else
|
|
return ReplayApplyDiskFileInfo(x, CoreTiming::GetGlobalTimeUs());
|
|
#endif
|
|
}
|
|
|
|
x.type = info.isDirectory ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;
|
|
x.exists = true;
|
|
|
|
if (x.type != FILETYPE_DIRECTORY) {
|
|
x.size = info.size;
|
|
x.access = info.access;
|
|
time_t atime = info.atime;
|
|
time_t ctime = info.ctime;
|
|
time_t mtime = info.mtime;
|
|
|
|
localtime_r((time_t*)&atime, &x.atime);
|
|
localtime_r((time_t*)&ctime, &x.ctime);
|
|
localtime_r((time_t*)&mtime, &x.mtime);
|
|
}
|
|
|
|
return ReplayApplyDiskFileInfo(x, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define FILETIME_FROM_UNIX_EPOCH_US 11644473600000000ULL
|
|
|
|
static void tmFromFiletime(tm &dest, const FILETIME &src) {
|
|
u64 from_1601_us = (((u64) src.dwHighDateTime << 32ULL) + (u64) src.dwLowDateTime) / 10ULL;
|
|
u64 from_1970_us = from_1601_us - FILETIME_FROM_UNIX_EPOCH_US;
|
|
|
|
time_t t = (time_t) (from_1970_us / 1000000UL);
|
|
localtime_r(&t, &dest);
|
|
}
|
|
#endif
|
|
|
|
// This simulates a bug in the PSP VFAT driver.
|
|
//
|
|
// Windows NT VFAT optimizes valid DOS filenames that are in lowercase.
|
|
// The PSP VFAT driver doesn't support this optimization, and behaves like Windows 98.
|
|
// Some homebrew depends on this bug in the PSP firmware.
|
|
//
|
|
// This essentially tries to simulate the "Windows 98 world view" on modern operating systems.
|
|
// Essentially all lowercase files are seen as UPPERCASE.
|
|
//
|
|
// Note: PSP-created files would stay lowercase, but this uppercases them too.
|
|
// Hopefully no PSP games read directories after they create files in them...
|
|
static std::string SimulateVFATBug(std::string filename) {
|
|
// These are the characters allowed in DOS filenames.
|
|
static const char *FAT_UPPER_CHARS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&'(){}-_`~";
|
|
static const char *FAT_LOWER_CHARS = "abcdefghijklmnopqrstuvwxyz0123456789!@#$%^&'(){}-_`~";
|
|
static const char *LOWER_CHARS = "abcdefghijklmnopqrstuvwxyz";
|
|
|
|
// To avoid logging/comparing, skip all this if it has no lowercase chars to begin with.
|
|
size_t lowerchar = filename.find_first_of(LOWER_CHARS);
|
|
if (lowerchar == filename.npos) {
|
|
return filename;
|
|
}
|
|
|
|
bool apply_hack = false;
|
|
size_t dot_pos = filename.find('.');
|
|
if (dot_pos == filename.npos && filename.length() <= 8) {
|
|
size_t badchar = filename.find_first_not_of(FAT_LOWER_CHARS);
|
|
if (badchar == filename.npos) {
|
|
// It's all lowercase. Convert to upper.
|
|
apply_hack = true;
|
|
}
|
|
} else {
|
|
// There's a separate flag for each, so we compare separately.
|
|
// But they both have to either be all upper or lowercase.
|
|
std::string base = filename.substr(0, dot_pos);
|
|
std::string ext = filename.substr(dot_pos + 1);
|
|
|
|
// The filename must be short enough to fit.
|
|
if (base.length() <= 8 && ext.length() <= 3) {
|
|
size_t base_non_lower = base.find_first_not_of(FAT_LOWER_CHARS);
|
|
size_t base_non_upper = base.find_first_not_of(FAT_UPPER_CHARS);
|
|
size_t ext_non_lower = ext.find_first_not_of(FAT_LOWER_CHARS);
|
|
size_t ext_non_upper = ext.find_first_not_of(FAT_UPPER_CHARS);
|
|
|
|
// As long as neither is mixed, we apply the hack.
|
|
bool base_apply_hack = base_non_lower == base.npos || base_non_upper == base.npos;
|
|
bool ext_apply_hack = ext_non_lower == ext.npos || ext_non_upper == ext.npos;
|
|
apply_hack = base_apply_hack && ext_apply_hack;
|
|
}
|
|
}
|
|
|
|
if (apply_hack) {
|
|
VERBOSE_LOG(FILESYS, "Applying VFAT hack to filename: %s", filename.c_str());
|
|
// In this situation, NT would write UPPERCASE, and just set a flag to say "actually lowercase".
|
|
// That VFAT flag isn't read by the PSP firmware, so let's pretend to "not read it."
|
|
std::transform(filename.begin(), filename.end(), filename.begin(), toupper);
|
|
}
|
|
|
|
return filename;
|
|
}
|
|
|
|
bool DirectoryFileSystem::ComputeRecursiveDirSizeIfFast(const std::string &path, int64_t *size) {
|
|
Path localPath = GetLocalPath(path);
|
|
|
|
int64_t sizeTemp = File::ComputeRecursiveDirectorySize(localPath);
|
|
if (sizeTemp >= 0) {
|
|
*size = sizeTemp;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
std::vector<PSPFileInfo> DirectoryFileSystem::GetDirListing(const std::string &path, bool *exists) {
|
|
std::vector<PSPFileInfo> myVector;
|
|
|
|
std::vector<File::FileInfo> files;
|
|
Path localPath = GetLocalPath(path);
|
|
const int flags = File::GETFILES_GETHIDDEN | File::GETFILES_GET_NAVIGATION_ENTRIES;
|
|
bool success = File::GetFilesInDir(localPath, &files, nullptr, flags);
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
if (!success) {
|
|
// TODO: Case sensitivity should be checked on a file system basis, right?
|
|
std::string fixedPath = path;
|
|
if (FixPathCase(basePath, fixedPath, FPC_FILE_MUST_EXIST)) {
|
|
// May have failed due to case sensitivity, try again
|
|
localPath = GetLocalPath(fixedPath);
|
|
success = File::GetFilesInDir(localPath, &files, nullptr, flags);
|
|
}
|
|
}
|
|
#endif
|
|
if (!success) {
|
|
if (exists)
|
|
*exists = false;
|
|
return ReplayApplyDiskListing(myVector, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
bool hideISOFiles = PSP_CoreParameter().compat.flags().HideISOFiles;
|
|
|
|
// Then apply transforms to match PSP idiosynchrasies, as we convert the entries.
|
|
for (auto &file : files) {
|
|
PSPFileInfo entry;
|
|
if (Flags() & FileSystemFlags::SIMULATE_FAT32) {
|
|
entry.name = SimulateVFATBug(file.name);
|
|
} else {
|
|
entry.name = file.name;
|
|
}
|
|
if (hideISOFiles && (endsWithNoCase(entry.name, ".cso") || endsWithNoCase(entry.name, ".iso"))) {
|
|
// Workaround for DJ Max Portable, see compat.ini.
|
|
continue;
|
|
}
|
|
if (file.name == "..") {
|
|
entry.size = 4096;
|
|
} else {
|
|
entry.size = file.size;
|
|
}
|
|
if (file.isDirectory) {
|
|
entry.type = FILETYPE_DIRECTORY;
|
|
} else {
|
|
entry.type = FILETYPE_NORMAL;
|
|
}
|
|
entry.access = file.access;
|
|
entry.exists = file.exists;
|
|
|
|
localtime_r((time_t*)&file.atime, &entry.atime);
|
|
localtime_r((time_t*)&file.ctime, &entry.ctime);
|
|
localtime_r((time_t*)&file.mtime, &entry.mtime);
|
|
|
|
myVector.push_back(entry);
|
|
}
|
|
|
|
if (exists)
|
|
*exists = true;
|
|
return ReplayApplyDiskListing(myVector, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
u64 DirectoryFileSystem::FreeSpace(const std::string &path) {
|
|
int64_t result = 0;
|
|
if (free_disk_space(GetLocalPath(path), result)) {
|
|
return ReplayApplyDisk64(ReplayAction::FREESPACE, (uint64_t)result, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
#if HOST_IS_CASE_SENSITIVE
|
|
std::string fixedCase = path;
|
|
if (FixPathCase(basePath, fixedCase, FPC_FILE_MUST_EXIST)) {
|
|
// May have failed due to case sensitivity, try again.
|
|
if (free_disk_space(GetLocalPath(fixedCase), result)) {
|
|
return ReplayApplyDisk64(ReplayAction::FREESPACE, result, CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Just assume they're swimming in free disk space if we don't know otherwise.
|
|
return ReplayApplyDisk64(ReplayAction::FREESPACE, std::numeric_limits<u64>::max(), CoreTiming::GetGlobalTimeUs());
|
|
}
|
|
|
|
void DirectoryFileSystem::DoState(PointerWrap &p) {
|
|
auto s = p.Section("DirectoryFileSystem", 0, 2);
|
|
if (!s)
|
|
return;
|
|
|
|
// Savestate layout:
|
|
// u32: number of entries
|
|
// per-entry:
|
|
// u32: handle number
|
|
// std::string filename (in guest's terms, untranslated)
|
|
// enum FileAccess file access mode
|
|
// u32 seek position
|
|
// s64 current truncate position (v2+ only)
|
|
|
|
u32 num = (u32) entries.size();
|
|
Do(p, num);
|
|
|
|
if (p.mode == p.MODE_READ) {
|
|
CloseAll();
|
|
u32 key;
|
|
OpenFileEntry entry;
|
|
entry.hFile.fileSystemFlags_ = flags;
|
|
for (u32 i = 0; i < num; i++) {
|
|
Do(p, key);
|
|
Do(p, entry.guestFilename);
|
|
Do(p, entry.access);
|
|
u32 err;
|
|
if (!entry.hFile.Open(basePath,entry.guestFilename,entry.access, err)) {
|
|
ERROR_LOG(FILESYS, "Failed to reopen file while loading state: %s", entry.guestFilename.c_str());
|
|
continue;
|
|
}
|
|
u32 position;
|
|
Do(p, position);
|
|
if (position != entry.hFile.Seek(position, FILEMOVE_BEGIN)) {
|
|
ERROR_LOG(FILESYS, "Failed to restore seek position while loading state: %s", entry.guestFilename.c_str());
|
|
continue;
|
|
}
|
|
if (s >= 2) {
|
|
Do(p, entry.hFile.needsTrunc_);
|
|
}
|
|
entries[key] = entry;
|
|
}
|
|
} else {
|
|
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
|
|
u32 key = iter->first;
|
|
Do(p, key);
|
|
Do(p, iter->second.guestFilename);
|
|
Do(p, iter->second.access);
|
|
u32 position = (u32)iter->second.hFile.Seek(0, FILEMOVE_CURRENT);
|
|
Do(p, position);
|
|
Do(p, iter->second.hFile.needsTrunc_);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
VFSFileSystem::VFSFileSystem(IHandleAllocator *_hAlloc, std::string _basePath) : basePath(_basePath) {
|
|
hAlloc = _hAlloc;
|
|
}
|
|
|
|
VFSFileSystem::~VFSFileSystem() {
|
|
for (auto iter = entries.begin(); iter != entries.end(); ++iter) {
|
|
delete [] iter->second.fileData;
|
|
}
|
|
entries.clear();
|
|
}
|
|
|
|
std::string VFSFileSystem::GetLocalPath(std::string localPath) {
|
|
return basePath + localPath;
|
|
}
|
|
|
|
bool VFSFileSystem::MkDir(const std::string &dirname) {
|
|
// NOT SUPPORTED - READ ONLY
|
|
return false;
|
|
}
|
|
|
|
bool VFSFileSystem::RmDir(const std::string &dirname) {
|
|
// NOT SUPPORTED - READ ONLY
|
|
return false;
|
|
}
|
|
|
|
int VFSFileSystem::RenameFile(const std::string &from, const std::string &to) {
|
|
// NOT SUPPORTED - READ ONLY
|
|
return -1;
|
|
}
|
|
|
|
bool VFSFileSystem::RemoveFile(const std::string &filename) {
|
|
// NOT SUPPORTED - READ ONLY
|
|
return false;
|
|
}
|
|
|
|
int VFSFileSystem::OpenFile(std::string filename, FileAccess access, const char *devicename) {
|
|
if (access != FILEACCESS_READ) {
|
|
ERROR_LOG(FILESYS, "VFSFileSystem only supports plain reading");
|
|
return SCE_KERNEL_ERROR_ERRNO_INVALID_FLAG;
|
|
}
|
|
|
|
std::string fullName = GetLocalPath(filename);
|
|
const char *fullNameC = fullName.c_str();
|
|
VERBOSE_LOG(FILESYS, "VFSFileSystem actually opening %s (%s)", fullNameC, filename.c_str());
|
|
|
|
size_t size;
|
|
u8 *data = g_VFS.ReadFile(fullNameC, &size);
|
|
if (!data) {
|
|
ERROR_LOG(FILESYS, "VFSFileSystem failed to open %s", filename.c_str());
|
|
return SCE_KERNEL_ERROR_ERRNO_FILE_NOT_FOUND;
|
|
}
|
|
|
|
OpenFileEntry entry;
|
|
entry.fileData = data;
|
|
entry.size = size;
|
|
entry.seekPos = 0;
|
|
u32 newHandle = hAlloc->GetNewHandle();
|
|
entries[newHandle] = entry;
|
|
return newHandle;
|
|
}
|
|
|
|
PSPFileInfo VFSFileSystem::GetFileInfo(std::string filename) {
|
|
PSPFileInfo x;
|
|
x.name = filename;
|
|
|
|
std::string fullName = GetLocalPath(filename);
|
|
File::FileInfo fo;
|
|
if (g_VFS.GetFileInfo(fullName.c_str(), &fo)) {
|
|
x.exists = fo.exists;
|
|
if (x.exists) {
|
|
x.size = fo.size;
|
|
x.type = fo.isDirectory ? FILETYPE_DIRECTORY : FILETYPE_NORMAL;
|
|
x.access = fo.isWritable ? 0666 : 0444;
|
|
}
|
|
} else {
|
|
x.exists = false;
|
|
}
|
|
return x;
|
|
}
|
|
|
|
void VFSFileSystem::CloseFile(u32 handle) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
delete [] iter->second.fileData;
|
|
entries.erase(iter);
|
|
} else {
|
|
//This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot close file that hasn't been opened: %08x", handle);
|
|
}
|
|
}
|
|
|
|
bool VFSFileSystem::OwnsHandle(u32 handle) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
return (iter != entries.end());
|
|
}
|
|
|
|
int VFSFileSystem::Ioctl(u32 handle, u32 cmd, u32 indataPtr, u32 inlen, u32 outdataPtr, u32 outlen, int &usec) {
|
|
return SCE_KERNEL_ERROR_ERRNO_FUNCTION_NOT_SUPPORTED;
|
|
}
|
|
|
|
PSPDevType VFSFileSystem::DevType(u32 handle) {
|
|
return PSPDevType::FILE;
|
|
}
|
|
|
|
size_t VFSFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size) {
|
|
int ignored;
|
|
return ReadFile(handle, pointer, size, ignored);
|
|
}
|
|
|
|
size_t VFSFileSystem::ReadFile(u32 handle, u8 *pointer, s64 size, int &usec) {
|
|
DEBUG_LOG(FILESYS,"VFSFileSystem::ReadFile %08x %p %i", handle, pointer, (u32)size);
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end())
|
|
{
|
|
size_t bytesRead = size;
|
|
memcpy(pointer, iter->second.fileData + iter->second.seekPos, size);
|
|
iter->second.seekPos += size;
|
|
return bytesRead;
|
|
} else {
|
|
ERROR_LOG(FILESYS,"Cannot read file that hasn't been opened: %08x", handle);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
size_t VFSFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size) {
|
|
int ignored;
|
|
return WriteFile(handle, pointer, size, ignored);
|
|
}
|
|
|
|
size_t VFSFileSystem::WriteFile(u32 handle, const u8 *pointer, s64 size, int &usec) {
|
|
// NOT SUPPORTED - READ ONLY
|
|
return 0;
|
|
}
|
|
|
|
size_t VFSFileSystem::SeekFile(u32 handle, s32 position, FileMove type) {
|
|
EntryMap::iterator iter = entries.find(handle);
|
|
if (iter != entries.end()) {
|
|
switch (type) {
|
|
case FILEMOVE_BEGIN: iter->second.seekPos = position; break;
|
|
case FILEMOVE_CURRENT: iter->second.seekPos += position; break;
|
|
case FILEMOVE_END: iter->second.seekPos = iter->second.size + position; break;
|
|
}
|
|
return iter->second.seekPos;
|
|
} else {
|
|
//This shouldn't happen...
|
|
ERROR_LOG(FILESYS,"Cannot seek in file that hasn't been opened: %08x", handle);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
std::vector<PSPFileInfo> VFSFileSystem::GetDirListing(const std::string &path, bool *exists) {
|
|
std::vector<PSPFileInfo> myVector;
|
|
// TODO
|
|
if (exists)
|
|
*exists = false;
|
|
return myVector;
|
|
}
|
|
|
|
void VFSFileSystem::DoState(PointerWrap &p) {
|
|
// Note: used interchangeably with DirectoryFileSystem for flash0:, so we use the same name.
|
|
auto s = p.Section("DirectoryFileSystem", 0, 2);
|
|
if (!s)
|
|
return;
|
|
|
|
u32 num = (u32) entries.size();
|
|
Do(p, num);
|
|
|
|
if (num != 0) {
|
|
p.SetError(p.ERROR_WARNING);
|
|
ERROR_LOG(FILESYS, "FIXME: Open files during savestate, could go badly.");
|
|
}
|
|
}
|