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FileSystem: Add Error to CreateDirectory()/RenamePath()

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This commit is contained in:
Stenzek 2024-03-31 15:50:13 +10:00
parent 3ecc19c43f
commit eb504143c1
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2 changed files with 53 additions and 25 deletions
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72
src/common/file_system.cpp
View file

@ -1201,13 +1201,13 @@ bool FileSystem::WriteStringToFile(const char* filename, const std::string_view&
return true;
}
bool FileSystem::EnsureDirectoryExists(const char* path, bool recursive)
bool FileSystem::EnsureDirectoryExists(const char* path, bool recursive, Error* error)
{
if (FileSystem::DirectoryExists(path))
return true;
// if it fails to create, we're not going to be able to use it anyway
return FileSystem::CreateDirectory(path, recursive);
return FileSystem::CreateDirectory(path, recursive, error);
}
bool FileSystem::RecursiveDeleteDirectory(const char* path)
@ -1654,31 +1654,36 @@ bool FileSystem::DirectoryIsEmpty(const char* path)
return true;
}
bool FileSystem::CreateDirectory(const char* Path, bool Recursive)
bool FileSystem::CreateDirectory(const char* Path, bool Recursive, Error* error)
{
const std::wstring win32_path = GetWin32Path(Path);
if (win32_path.empty())
if (win32_path.empty()) [[unlikely]]
{
Error::SetStringView(error, "Path is empty.");
return false;
}
// try just flat-out, might work if there's no other segments that have to be made
if (CreateDirectoryW(win32_path.c_str(), nullptr))
return true;
if (!Recursive)
return false;
// check error
DWORD lastError = GetLastError();
if (lastError == ERROR_ALREADY_EXISTS)
{
// check the attributes
u32 Attributes = GetFileAttributesW(win32_path.c_str());
const u32 Attributes = GetFileAttributesW(win32_path.c_str());
if (Attributes != INVALID_FILE_ATTRIBUTES && Attributes & FILE_ATTRIBUTE_DIRECTORY)
return true;
else
return false;
}
else if (lastError == ERROR_PATH_NOT_FOUND)
if (!Recursive)
{
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
// check error
if (lastError == ERROR_PATH_NOT_FOUND)
{
// part of the path does not exist, so we'll create the parent folders, then
// the full path again.
@ -1693,7 +1698,10 @@ bool FileSystem::CreateDirectory(const char* Path, bool Recursive)
{
lastError = GetLastError();
if (lastError != ERROR_ALREADY_EXISTS) // fine, continue to next path segment
{
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
}
}
}
@ -1706,7 +1714,10 @@ bool FileSystem::CreateDirectory(const char* Path, bool Recursive)
{
lastError = GetLastError();
if (lastError != ERROR_ALREADY_EXISTS)
{
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
}
}
@ -1716,6 +1727,7 @@ bool FileSystem::CreateDirectory(const char* Path, bool Recursive)
else
{
// unhandled error
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
}
@ -1733,14 +1745,16 @@ bool FileSystem::DeleteFile(const char* path)
return (DeleteFileW(wpath.c_str()) == TRUE);
}
bool FileSystem::RenamePath(const char* old_path, const char* new_path)
bool FileSystem::RenamePath(const char* old_path, const char* new_path, Error* error)
{
const std::wstring old_wpath = GetWin32Path(old_path);
const std::wstring new_wpath = GetWin32Path(new_path);
if (!MoveFileExW(old_wpath.c_str(), new_wpath.c_str(), MOVEFILE_REPLACE_EXISTING))
{
Log_ErrorPrintf("MoveFileEx('%s', '%s') failed: %08X", old_path, new_path, GetLastError());
const DWORD err = GetLastError();
Error::SetWin32(error, "MoveFileExW() failed: ", err);
Log_ErrorPrintf("MoveFileEx('%s', '%s') failed: %08X", old_path, new_path, err);
return false;
}
@ -2145,7 +2159,7 @@ bool FileSystem::DirectoryIsEmpty(const char* path)
return true;
}
bool FileSystem::CreateDirectory(const char* path, bool recursive)
bool FileSystem::CreateDirectory(const char* path, bool recursive, Error* error)
{
// has a path
const size_t pathLength = std::strlen(path);
@ -2156,9 +2170,6 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive)
if (mkdir(path, 0777) == 0)
return true;
if (!recursive)
return false;
// check error
int lastError = errno;
if (lastError == EEXIST)
@ -2167,9 +2178,14 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive)
struct stat sysStatData;
if (stat(path, &sysStatData) == 0 && S_ISDIR(sysStatData.st_mode))
return true;
else
return false;
}
if (!recursive)
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
else if (lastError == ENOENT)
{
// part of the path does not exist, so we'll create the parent folders, then
@ -2186,7 +2202,10 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive)
{
lastError = errno;
if (lastError != EEXIST) // fine, continue to next path segment
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
}
@ -2200,7 +2219,10 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive)
{
lastError = errno;
if (lastError != EEXIST)
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
}
@ -2210,6 +2232,7 @@ bool FileSystem::CreateDirectory(const char* path, bool recursive)
else
{
// unhandled error
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
@ -2226,14 +2249,19 @@ bool FileSystem::DeleteFile(const char* path)
return (unlink(path) == 0);
}
bool FileSystem::RenamePath(const char* old_path, const char* new_path)
bool FileSystem::RenamePath(const char* old_path, const char* new_path, Error* error)
{
if (old_path[0] == '\0' || new_path[0] == '\0')
{
Error::SetStringView(error, "Path is empty.");
return false;
}
if (rename(old_path, new_path) != 0)
{
Log_ErrorPrintf("rename('%s', '%s') failed: %d", old_path, new_path, errno);
const int err = errno;
Error::SetErrno(error, "rename() failed: ", err);
Log_ErrorPrintf("rename('%s', '%s') failed: %d", old_path, new_path, err);
return false;
}

6
src/common/file_system.h
View file

@ -89,7 +89,7 @@ bool DirectoryIsEmpty(const char* path);
bool DeleteFile(const char* path);
/// Rename file
bool RenamePath(const char* OldPath, const char* NewPath);
bool RenamePath(const char* OldPath, const char* NewPath, Error* error = nullptr);
/// Deleter functor for managed file pointers
struct FileDeleter
@ -151,11 +151,11 @@ bool WriteStringToFile(const char* filename, const std::string_view& sv);
/// if the directory already exists, the return value will be true.
/// if Recursive is specified, all parent directories will be created
/// if they do not exist.
bool CreateDirectory(const char* path, bool recursive);
bool CreateDirectory(const char* path, bool recursive, Error* error = nullptr);
/// Creates a directory if it doesn't already exist.
/// Returns false if it does not exist and creation failed.
bool EnsureDirectoryExists(const char* path, bool recursive);
bool EnsureDirectoryExists(const char* path, bool recursive, Error* error = nullptr);
/// Removes a directory.
bool DeleteDirectory(const char* path);