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Fix crash on dragon quest builder 2 when file does not exist

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This commit is contained in:
momala454
2019-10-29 04:09:57 +01:00
parent 68cb3b2133
commit dab73605e3
1 changed files with 28 additions and 7 deletions
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35
src/core/file_sys/vfs_ro_layer.cpp
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@@ -78,34 +78,55 @@ std::string ReadOnlyVfsDirectoryLayer::GetName() const {
}
std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectoryLayer::GetParentDirectory() const {
return std::make_shared<ReadOnlyVfsDirectoryLayer>(base->GetParentDirectory());
auto out = base->GetParentDirectory();
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsDirectoryLayer>(out);
}
std::shared_ptr<VfsFile> ReadOnlyVfsDirectoryLayer::GetFileRelative(std::string_view path) const {
return std::make_shared<ReadOnlyVfsFileLayer>(base->GetFileRelative(path));
auto out = base->GetFileRelative(path);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsFileLayer>(out);
}
std::shared_ptr<VfsFile> ReadOnlyVfsDirectoryLayer::GetFileAbsolute(std::string_view path) const {
return std::make_shared<ReadOnlyVfsFileLayer>(base->GetFileAbsolute(path));
auto out = base->GetFileAbsolute(path);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsFileLayer>(out);
}
std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectoryLayer::GetDirectoryRelative(
std::string_view path) const {
return std::make_shared<ReadOnlyVfsDirectoryLayer>(base->GetDirectoryRelative(path));
auto out = base->GetDirectoryRelative(path);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsDirectoryLayer>(out);
}
std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectoryLayer::GetDirectoryAbsolute(
std::string_view path) const {
return std::make_shared<ReadOnlyVfsDirectoryLayer>(base->GetDirectoryAbsolute(path));
auto out = base->GetDirectoryAbsolute(path);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsDirectoryLayer>(out);
}
std::shared_ptr<VfsFile> ReadOnlyVfsDirectoryLayer::GetFile(std::string_view name) const {
return std::make_shared<ReadOnlyVfsFileLayer>(base->GetFile(name));
auto out = base->GetFile(name);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsFileLayer>(out);
}
std::shared_ptr<VfsDirectory> ReadOnlyVfsDirectoryLayer::GetSubdirectory(
std::string_view name) const {
return std::make_shared<ReadOnlyVfsDirectoryLayer>(base->GetSubdirectory(name));
auto out = base->GetSubdirectory(name);
if (out == nullptr)
return nullptr;
return std::make_shared<ReadOnlyVfsDirectoryLayer>(out);
}
bool ReadOnlyVfsDirectoryLayer::IsRoot() const {