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Implement posix_rename, fix sceKernelRename errno behavior

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This commit is contained in:
Stephen Miller 2025-02-17 19:56:16 -06:00
parent aa00a9ceee
commit 578b6e7961
1 changed files with 48 additions and 33 deletions
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81
src/core/libraries/kernel/file_system.cpp
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@ -660,6 +660,50 @@ s32 PS4_SYSV_ABI sceKernelFtruncate(s32 fd, s64 length) {
return result; return result;
} }
s32 PS4_SYSV_ABI posix_rename(const char* from, const char* to) {
auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
bool ro = false;
const auto src_path = mnt->GetHostPath(from, &ro);
if (!std::filesystem::exists(src_path)) {
*__Error() = POSIX_ENOENT;
return -1;
}
if (ro) {
*__Error() = POSIX_EROFS;
return -1;
}
const auto dst_path = mnt->GetHostPath(to, &ro);
if (ro) {
*__Error() = POSIX_EROFS;
return -1;
}
const bool src_is_dir = std::filesystem::is_directory(src_path);
const bool dst_is_dir = std::filesystem::is_directory(dst_path);
if (src_is_dir && !dst_is_dir) {
*__Error() = POSIX_ENOTDIR;
return -1;
}
if (!src_is_dir && dst_is_dir) {
*__Error() = POSIX_EISDIR;
return -1;
}
if (dst_is_dir && !std::filesystem::is_empty(dst_path)) {
*__Error() = POSIX_ENOTEMPTY;
return -1;
}
std::filesystem::copy(src_path, dst_path, std::filesystem::copy_options::overwrite_existing);
return ORBIS_OK;
}
s32 PS4_SYSV_ABI sceKernelRename(const char* from, const char* to) {
s32 result = posix_rename(from, to);
if (result < 0) {
LOG_ERROR(Kernel_Fs, "error = {}", *__Error());
return ErrnoToSceKernelError(*__Error());
}
return result;
}
s64 PS4_SYSV_ABI sceKernelPreadv(int d, SceKernelIovec* iov, int iovcnt, s64 offset) { s64 PS4_SYSV_ABI sceKernelPreadv(int d, SceKernelIovec* iov, int iovcnt, s64 offset) {
if (d < 3) { if (d < 3) {
return ORBIS_KERNEL_ERROR_EPERM; return ORBIS_KERNEL_ERROR_EPERM;
@ -804,35 +848,6 @@ s64 PS4_SYSV_ABI sceKernelPwrite(int d, void* buf, size_t nbytes, s64 offset) {
return file->f.WriteRaw<u8>(buf, nbytes); return file->f.WriteRaw<u8>(buf, nbytes);
} }
s32 PS4_SYSV_ABI sceKernelRename(const char* from, const char* to) {
auto* mnt = Common::Singleton<Core::FileSys::MntPoints>::Instance();
bool ro = false;
const auto src_path = mnt->GetHostPath(from, &ro);
if (!std::filesystem::exists(src_path)) {
return ORBIS_KERNEL_ERROR_ENOENT;
}
if (ro) {
return ORBIS_KERNEL_ERROR_EROFS;
}
const auto dst_path = mnt->GetHostPath(to, &ro);
if (ro) {
return ORBIS_KERNEL_ERROR_EROFS;
}
const bool src_is_dir = std::filesystem::is_directory(src_path);
const bool dst_is_dir = std::filesystem::is_directory(dst_path);
if (src_is_dir && !dst_is_dir) {
return ORBIS_KERNEL_ERROR_ENOTDIR;
}
if (!src_is_dir && dst_is_dir) {
return ORBIS_KERNEL_ERROR_EISDIR;
}
if (dst_is_dir && !std::filesystem::is_empty(dst_path)) {
return ORBIS_KERNEL_ERROR_ENOTEMPTY;
}
std::filesystem::copy(src_path, dst_path, std::filesystem::copy_options::overwrite_existing);
return ORBIS_OK;
}
int PS4_SYSV_ABI sceKernelUnlink(const char* path) { int PS4_SYSV_ABI sceKernelUnlink(const char* path) {
if (path == nullptr) { if (path == nullptr) {
return ORBIS_KERNEL_ERROR_EINVAL; return ORBIS_KERNEL_ERROR_EINVAL;
@ -918,12 +933,12 @@ void RegisterFileSystem(Core::Loader::SymbolsResolver* sym) {
LIB_FUNCTION("mqQMh1zPPT8", "libkernel", 1, "libkernel", 1, 1, posix_fstat); LIB_FUNCTION("mqQMh1zPPT8", "libkernel", 1, "libkernel", 1, 1, posix_fstat);
LIB_FUNCTION("kBwCPsYX-m4", "libkernel", 1, "libkernel", 1, 1, sceKernelFstat); LIB_FUNCTION("kBwCPsYX-m4", "libkernel", 1, "libkernel", 1, 1, sceKernelFstat);
// LIB_FUNCTION("ih4CD9-gghM", "libScePosix", 1, "libkernel", 1, 1, posix_ftruncate); LIB_FUNCTION("ih4CD9-gghM", "libScePosix", 1, "libkernel", 1, 1, posix_ftruncate);
// LIB_FUNCTION("ih4CD9-gghM", "libkernel", 1, "libkernel", 1, 1, posix_ftruncate); LIB_FUNCTION("ih4CD9-gghM", "libkernel", 1, "libkernel", 1, 1, posix_ftruncate);
LIB_FUNCTION("VW3TVZiM4-E", "libkernel", 1, "libkernel", 1, 1, sceKernelFtruncate); LIB_FUNCTION("VW3TVZiM4-E", "libkernel", 1, "libkernel", 1, 1, sceKernelFtruncate);
// LIB_FUNCTION("NN01qLRhiqU", "libScePosix", 1, "libkernel", 1, 1, posix_rename); LIB_FUNCTION("NN01qLRhiqU", "libScePosix", 1, "libkernel", 1, 1, posix_rename);
// LIB_FUNCTION("NN01qLRhiqU", "libkernel", 1, "libkernel", 1, 1, posix_rename); LIB_FUNCTION("NN01qLRhiqU", "libkernel", 1, "libkernel", 1, 1, posix_rename);
LIB_FUNCTION("52NcYU9+lEo", "libkernel", 1, "libkernel", 1, 1, sceKernelRename); LIB_FUNCTION("52NcYU9+lEo", "libkernel", 1, "libkernel", 1, 1, sceKernelRename);
// LIB_FUNCTION("ezv-RSBNKqI", "libScePosix", 1, "libkernel", 1, 1, posix_pread); // LIB_FUNCTION("ezv-RSBNKqI", "libScePosix", 1, "libkernel", 1, 1, posix_pread);