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AK: Make CircularBuffer::read_with_seekback const

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Compared to the other read and write functions, this doesn't modify the
internal state of the circular buffer.
This commit is contained in:
Tim Schumacher 2023-06-02 12:57:03 +02:00 • committed by Linus Groh
parent 42d01b21d8
commit 4a10cf1506
2 changed files with 2 additions and 2 deletions
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2
AK/CircularBuffer.cpp
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@ -186,7 +186,7 @@ Bytes CircularBuffer::read(Bytes bytes)
return bytes.trim(bytes.size() - remaining); return bytes.trim(bytes.size() - remaining);
} }
ErrorOr<Bytes> CircularBuffer::read_with_seekback(Bytes bytes, size_t distance) ErrorOr<Bytes> CircularBuffer::read_with_seekback(Bytes bytes, size_t distance) const
{ {
if (distance > m_seekback_limit) if (distance > m_seekback_limit)
return Error::from_string_literal("Tried a seekback read beyond the seekback limit"); return Error::from_string_literal("Tried a seekback read beyond the seekback limit");

2
AK/CircularBuffer.h
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@ -31,7 +31,7 @@ public:
/// Compared to `read()`, this starts reading from an offset that is `distance` bytes /// Compared to `read()`, this starts reading from an offset that is `distance` bytes
/// before the current write pointer and allows for reading already-read data. /// before the current write pointer and allows for reading already-read data.
ErrorOr<Bytes> read_with_seekback(Bytes bytes, size_t distance); ErrorOr<Bytes> read_with_seekback(Bytes bytes, size_t distance) const;
ErrorOr<size_t> copy_from_seekback(size_t distance, size_t length); ErrorOr<size_t> copy_from_seekback(size_t distance, size_t length);