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FileManager: Handle possible ByteBuffer allocation failure

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Before this patch we created ByteBuffer with the help of the
VERIFY macro that could cause a crash of FileManager
in case of memory allocation failures.

Now we propagate the error to a caller instead of using the
`release_value_but_fixme_should_propagate_errors()` method.
This commit is contained in:
Alexander Narsudinov 2022-12-17 20:22:08 +03:00 committed by Andreas Kling
parent c0542ed40b
commit 03107d4028
Notes: sideshowbarker 2024-07-19 17:01:22 +09:00 
Author: https://github.com/a-narsudinov 🔰
Commit: https://github.com/SerenityOS/serenity/commit/03107d40280
Pull-request: https://github.com/SerenityOS/serenity/pull/16552
1 changed files with 7 additions and 1 deletions
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8
Userland/Applications/FileManager/FileOperationProgressWidget.cpp
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Alexander Narsudinov <a.narsudinov@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -71,7 +72,12 @@ FileOperationProgressWidget::FileOperationProgressWidget(FileOperation operation
m_notifier = Core::Notifier::construct(helper_pipe_fd, Core::Notifier::Read);
m_notifier->on_ready_to_read = [this] {
auto line_buffer = ByteBuffer::create_zeroed(1 * KiB).release_value_but_fixme_should_propagate_errors();
auto line_buffer_or_error = ByteBuffer::create_zeroed(1 * KiB);
if (line_buffer_or_error.is_error()) {
did_error("Failed to allocate ByteBuffer for reading data."sv);
return;
}
auto line_buffer = line_buffer_or_error.release_value();
auto line_or_error = m_helper_pipe->read_line(line_buffer.bytes());
if (line_or_error.is_error() || line_or_error.value().is_empty()) {
did_error("Read from pipe returned null."sv);