util/PeakBuffer: add method max_size()

056ab199 · Max Kellermann · eea0e084 · 056ab199
Commit 056ab199 authored Jan 21, 2021 by Max Kellermann
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PeakBuffer.hxx src/util/PeakBuffer.hxx +4 -0

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--- a/src/util/PeakBuffer.hxx
+++ b/src/util/PeakBuffer.hxx
@@ -55,6 +55,10 @@ public:
 	PeakBuffer(const PeakBuffer &) = delete;
 	PeakBuffer &operator=(const PeakBuffer &) = delete;

+	std::size_t max_size() const noexcept {
+		return normal_size + peak_size;
+	}
+
 	gcc_pure
 	bool empty() const noexcept;