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Implement sceKernelFtruncate and sceKernelUnlink.

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Daniel R. 2024-07-06 12:56:50 +02:00
parent bf74888be4
commit ddeff9bc01
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GPG key ID: B8ADC8F57BA18DBA
1 changed files with 60 additions and 1 deletions
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61
src/core/libraries/kernel/file_system.cpp
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@ -160,6 +160,38 @@ size_t PS4_SYSV_ABI sceKernelWrite(int d, const void* buf, size_t nbytes) {
return file->f.WriteRaw<u8>(buf, nbytes);
}
int PS4_SYSV_ABI sceKernelUnlink(const char* path) {
if (path == nullptr) {
return SCE_KERNEL_ERROR_EINVAL;
}
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
std::string host_path = mnt->GetHostFile(path);
if (host_path.empty()) {
return SCE_KERNEL_ERROR_EACCES;
}
if (std::filesystem::is_directory(host_path)) {
return SCE_KERNEL_ERROR_EPERM;
}
auto* file = h->getFile(host_path);
if (file == nullptr) {
return SCE_KERNEL_ERROR_EIO;
}
file->f.Close();
if (!std::filesystem::remove(host_path)) {
return SCE_KERNEL_ERROR_ENOENT;
}
LOG_INFO(Kernel_Fs, "Deleted {}", path);
return SCE_OK;
}
size_t PS4_SYSV_ABI _readv(int d, const SceKernelIovec* iov, int iovcnt) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* file = h->GetFile(d);
@ -359,6 +391,31 @@ s32 PS4_SYSV_ABI sceKernelFsync(int fd) {
return ORBIS_OK;
}
int PS4_SYSV_ABI sceKernelFtruncate(int fd, s64 length) {
auto* h = Common::Singleton<Core::FileSys::HandleTable>::Instance();
auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
auto* file = h->GetFile(fd);
if (file == nullptr) {
return SCE_KERNEL_ERROR_EBADF;
}
if (file->m_host_name.empty()) {
return SCE_KERNEL_ERROR_EACCES;
}
// CUSA05289 (PSPHD emulator): Tries to resize a temporary file after deleting it
try {
// TODO: Check for sufficient space?
std::filesystem::resize_file(file->m_host_name, length);
} catch (std::filesystem::filesystem_error& e) {
LOG_ERROR(Kernel_Fs, "Error: {}", e.what());
}
return SCE_OK;
}
static int GetDents(int fd, char* buf, int nbytes, s64* basep) {
// TODO error codes
ASSERT(buf != nullptr);
@ -375,7 +432,7 @@ static int GetDents(int fd, char* buf, int nbytes, s64* basep) {
static int fileno = 1000; // random
OrbisKernelDirent* sce_ent = (OrbisKernelDirent*)buf;
sce_ent->d_fileno = fileno++; // TODO this should be unique but atm it changes maybe switch to a
// hash or something?
// hash or something?
sce_ent->d_reclen = sizeof(OrbisKernelDirent);
sce_ent->d_type = (entry.isFile ? 8 : 4);
sce_ent->d_namlen = str_size;
@ -438,6 +495,7 @@ void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("eV9wAD2riIA", "libkernel", 1, "libkernel", 1, 1, sceKernelStat);
LIB_FUNCTION("kBwCPsYX-m4", "libkernel", 1, "libkernel", 1, 1, sceKernelFStat);
LIB_FUNCTION("mqQMh1zPPT8", "libScePosix", 1, "libkernel", 1, 1, posix_fstat);
LIB_FUNCTION("VW3TVZiM4-E", "libkernel", 1, "libkernel", 1, 1, sceKernelFtruncate);
LIB_FUNCTION("E6ao34wPw+U", "libScePosix", 1, "libkernel", 1, 1, posix_stat);
LIB_FUNCTION("+r3rMFwItV4", "libkernel", 1, "libkernel", 1, 1, sceKernelPread);
@ -446,6 +504,7 @@ void fileSystemSymbolsRegister(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("j2AIqSqJP0w", "libkernel", 1, "libkernel", 1, 1, sceKernelGetdents);
LIB_FUNCTION("taRWhTJFTgE", "libkernel", 1, "libkernel", 1, 1, sceKernelGetdirentries);
LIB_FUNCTION("nKWi-N2HBV4", "libkernel", 1, "libkernel", 1, 1, sceKernelPwrite);
LIB_FUNCTION("AUXVxWeJU-A", "libkernel", 1, "libkernel", 1, 1, sceKernelUnlink);
// openOrbis (to check if it is valid out of OpenOrbis
LIB_FUNCTION("6c3rCVE-fTU", "libkernel", 1, "libkernel", 1, 1,