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Userland: Use Buffered<T> in gunzip.

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This commit is contained in:
asynts 2020-09-02 17:12:53 +02:00 • committed by Andreas Kling
parent 359fcf348f
commit 612c1bc84d
2 changed files with 35 additions and 7 deletions
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30
Libraries/LibCore/FileStream.h
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@ -26,6 +26,7 @@
#pragma once
#include <AK/Buffered.h>
#include <AK/Stream.h>
#include <LibCore/File.h>
@ -50,6 +51,18 @@ public:
return InputFileStream { file_result.value() };
}
static Result<Buffered<InputFileStream>, String> open_buffered(StringView filename, IODevice::OpenMode mode = IODevice::OpenMode::ReadOnly, mode_t permissions = 0644)
{
ASSERT((mode & 0xf) == IODevice::OpenMode::ReadOnly || (mode & 0xf) == IODevice::OpenMode::ReadWrite);
auto file_result = File::open(filename, mode, permissions);
if (file_result.is_error())
return file_result.error();
return Buffered<InputFileStream> { file_result.value() };
}
size_t read(Bytes bytes) override
{
size_t nread = 0;
@ -145,11 +158,28 @@ public:
return OutputFileStream { file_result.value() };
}
static Result<Buffered<OutputFileStream>, String> open_buffered(StringView filename, IODevice::OpenMode mode = IODevice::OpenMode::WriteOnly, mode_t permissions = 0644)
{
ASSERT((mode & 0xf) == IODevice::OpenMode::WriteOnly || (mode & 0xf) == IODevice::OpenMode::ReadWrite);
auto file_result = File::open(filename, mode, permissions);
if (file_result.is_error())
return file_result.error();
return Buffered<OutputFileStream> { file_result.value() };
}
static OutputFileStream stdout()
{
return OutputFileStream { Core::File::stdout() };
}
static Buffered<OutputFileStream> stdout_buffered()
{
return Buffered<OutputFileStream> { Core::File::stdout() };
}
size_t write(ReadonlyBytes bytes) override
{
if (!m_file->write(bytes.data(), bytes.size())) {