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util/StaticFifoBuffer: add noexcept

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This commit is contained in:
Max Kellermann
2019-08-02 22:48:27 +02:00
parent e00464435b
commit 31da8eac9b
1 changed files with 9 additions and 9 deletions
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18
src/util/StaticFifoBuffer.hxx
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@@ -56,11 +56,11 @@ protected:
T data[size]; T data[size];
public: public:
constexpr size_type GetCapacity() const { constexpr size_type GetCapacity() const noexcept {
return size; return size;
} }
void Shift() { void Shift() noexcept {
if (head == 0) if (head == 0)
return; return;
@@ -74,15 +74,15 @@ public:
head = 0; head = 0;
} }
void Clear() { void Clear() noexcept {
head = tail = 0; head = tail = 0;
} }
bool empty() const { bool empty() const noexcept {
return head == tail; return head == tail;
} }
bool IsFull() const { bool IsFull() const noexcept {
return head == 0 && tail == size; return head == 0 && tail == size;
} }
@@ -90,7 +90,7 @@ public:
* Prepares writing. Returns a buffer range which may be written. * Prepares writing. Returns a buffer range which may be written.
* When you are finished, call Append(). * When you are finished, call Append().
*/ */
Range Write() { Range Write() noexcept {
if (empty()) if (empty())
Clear(); Clear();
else if (tail == size) else if (tail == size)
@@ -103,7 +103,7 @@ public:
* Expands the tail of the buffer, after data has been written to * Expands the tail of the buffer, after data has been written to
* the buffer returned by Write(). * the buffer returned by Write().
*/ */
void Append(size_type n) { void Append(size_type n) noexcept {
assert(tail <= size); assert(tail <= size);
assert(n <= size); assert(n <= size);
assert(tail + n <= size); assert(tail + n <= size);
@@ -115,14 +115,14 @@ public:
* Return a buffer range which may be read. The buffer pointer is * Return a buffer range which may be read. The buffer pointer is
* writable, to allow modifications while parsing. * writable, to allow modifications while parsing.
*/ */
Range Read() { Range Read() noexcept {
return Range(data + head, tail - head); return Range(data + head, tail - head);
} }
/** /**
* Marks a chunk as consumed. * Marks a chunk as consumed.
*/ */
void Consume(size_type n) { void Consume(size_type n) noexcept {
assert(tail <= size); assert(tail <= size);
assert(head <= tail); assert(head <= tail);
assert(n <= tail); assert(n <= tail);