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

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This commit is contained in:
Stenzek
2024-04-01 20:52:57 +10:00
committed by Connor McLaughlin
parent b06da6607b
commit 81502e6c7d
2 changed files with 57 additions and 25 deletions
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74
common/FileSystem.cpp
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@@ -8,6 +8,7 @@
#include "Console.h"
#include "StringUtil.h"
#include "Path.h"
#include <algorithm>
#include <cerrno>
#include <cstdlib>
@@ -1182,13 +1183,13 @@ 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::CreateDirectoryPath(path, recursive);
return FileSystem::CreateDirectoryPath(path, recursive, error);
}
bool FileSystem::RecursiveDeleteDirectory(const char* path)
@@ -1633,33 +1634,39 @@ bool FileSystem::DirectoryIsEmpty(const char* path)
return true;
}
bool FileSystem::CreateDirectoryPath(const char* Path, bool Recursive)
bool FileSystem::CreateDirectoryPath(const char* Path, bool Recursive, Error* error)
{
const std::wstring wpath = GetWin32Path(Path);
// has a path
if (wpath.empty())
if (wpath.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(wpath.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(wpath.c_str());
const u32 Attributes = GetFileAttributesW(wpath.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.
@@ -1677,7 +1684,10 @@ bool FileSystem::CreateDirectoryPath(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;
}
}
// replace / with \.
@@ -1697,7 +1707,10 @@ bool FileSystem::CreateDirectoryPath(const char* Path, bool Recursive)
{
lastError = GetLastError();
if (lastError != ERROR_ALREADY_EXISTS)
{
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
}
}
@@ -1707,6 +1720,7 @@ bool FileSystem::CreateDirectoryPath(const char* Path, bool Recursive)
else
{
// unhandled error
Error::SetWin32(error, "CreateDirectoryW() failed: ", lastError);
return false;
}
}
@@ -1724,14 +1738,16 @@ bool FileSystem::DeleteFilePath(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))
{
Console.Error("MoveFileEx('%s', '%s') failed: %08X", old_path, new_path, GetLastError());
const DWORD err = GetLastError();
Error::SetWin32(error, "MoveFileExW() failed: ", err);
Console.Error("MoveFileEx('%s', '%s') failed: %08X", old_path, new_path, err);
return false;
}
@@ -2119,7 +2135,7 @@ bool FileSystem::DirectoryIsEmpty(const char* path)
return true;
}
bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
bool FileSystem::CreateDirectoryPath(const char* path, bool recursive, Error* error)
{
// has a path
const size_t pathLength = std::strlen(path);
@@ -2130,9 +2146,6 @@ bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
if (mkdir(path, 0777) == 0)
return true;
if (!recursive)
return false;
// check error
int lastError = errno;
if (lastError == EEXIST)
@@ -2141,10 +2154,15 @@ bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
struct stat sysStatData;
if (stat(path, &sysStatData) == 0 && S_ISDIR(sysStatData.st_mode))
return true;
else
return false;
}
else if (lastError == ENOENT)
if (!recursive)
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
if (lastError == ENOENT)
{
// part of the path does not exist, so we'll create the parent folders, then
// the full path again.
@@ -2160,7 +2178,10 @@ bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
{
lastError = errno;
if (lastError != EEXIST) // fine, continue to next path segment
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
}
@@ -2174,7 +2195,10 @@ bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
{
lastError = errno;
if (lastError != EEXIST)
{
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
}
@@ -2184,6 +2208,7 @@ bool FileSystem::CreateDirectoryPath(const char* path, bool recursive)
else
{
// unhandled error
Error::SetErrno(error, "mkdir() failed: ", lastError);
return false;
}
}
@@ -2200,14 +2225,19 @@ bool FileSystem::DeleteFilePath(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)
{
Console.Error("rename('%s', '%s') failed: %d", old_path, new_path, errno);
const int err = errno;
Error::SetErrno(error, "rename() failed: ", err);
Console.Error("rename('%s', '%s') failed: %d", old_path, new_path, err);
return false;
}