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Kernel: Use KString instead of String in InodeWatcher::Event's path

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This commit is contained in:
Idan Horowitz 2022-01-21 12:56:00 +02:00 • committed by Andreas Kling
parent d5189b6677
commit 3c1ca61e74
Notes: sideshowbarker 2024-07-17 20:31:32 +09:00
2 changed files with 10 additions and 7 deletions
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15
Kernel/FileSystem/InodeWatcher.cpp
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@ -37,10 +37,9 @@ ErrorOr<size_t> InodeWatcher::read(OpenFileDescription&, u64, UserOrKernelBuffer
auto event = m_queue.dequeue();
size_t name_length = event.path.length() + 1;
size_t bytes_to_write = sizeof(InodeWatcherEvent);
if (!event.path.is_null())
bytes_to_write += name_length;
if (event.path)
bytes_to_write += event.path->length() + 1;
if (buffer_size < bytes_to_write)
return EINVAL;
@ -53,10 +52,11 @@ ErrorOr<size_t> InodeWatcher::read(OpenFileDescription&, u64, UserOrKernelBuffer
memcpy(bytes.offset(offset), &event.type, sizeof(InodeWatcherEvent::type));
offset += sizeof(InodeWatcherEvent::type);
if (!event.path.is_null()) {
if (event.path) {
size_t name_length = event.path->length() + 1;
memcpy(bytes.offset(offset), &name_length, sizeof(InodeWatcherEvent::name_length));
offset += sizeof(InodeWatcherEvent::name_length);
memcpy(bytes.offset(offset), event.path.characters(), name_length);
memcpy(bytes.offset(offset), event.path->characters(), name_length);
} else {
memset(bytes.offset(offset), 0, sizeof(InodeWatcherEvent::name_length));
}
@ -98,7 +98,10 @@ void InodeWatcher::notify_inode_event(Badge<Inode>, InodeIdentifier inode_id, In
if (!(watcher.event_mask & static_cast<unsigned>(event_type)))
return;
m_queue.enqueue({ watcher.wd, event_type, name });
OwnPtr<KString> path;
if (!name.is_null())
path = KString::try_create(name).release_value_but_fixme_should_propagate_errors();
m_queue.enqueue({ watcher.wd, event_type, move(path) });
evaluate_block_conditions();
}