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ringbuffer: whitespace
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@@ -57,25 +57,25 @@ RingBuffer::~RingBuffer()
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unsigned
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unsigned
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RingBuffer::_next(unsigned index)
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RingBuffer::_next(unsigned index)
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{
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{
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return (0 == index) ? _num_items : (index - 1);
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return (0 == index) ? _num_items : (index - 1);
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}
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}
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bool
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bool
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RingBuffer::empty()
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RingBuffer::empty()
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{
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{
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return _tail == _head;
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return _tail == _head;
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}
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}
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bool
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bool
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RingBuffer::full()
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RingBuffer::full()
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{
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{
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return _next(_head) == _tail;
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return _next(_head) == _tail;
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}
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}
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unsigned
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unsigned
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RingBuffer::size()
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RingBuffer::size()
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{
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{
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return (_buf != nullptr) ? _num_items : 0;
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return (_buf != nullptr) ? _num_items : 0;
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}
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}
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void
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void
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@@ -86,7 +86,7 @@ RingBuffer::flush()
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}
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}
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bool
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bool
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RingBuffer::put(const void *val, size_t val_size)
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RingBuffer::put(const void *val, size_t val_size)
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{
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{
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unsigned next = _next(_head);
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unsigned next = _next(_head);
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if (next != _tail) {
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if (next != _tail) {
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@@ -250,7 +250,7 @@ static inline bool my_sync_bool_compare_and_swap(volatile unsigned *a, unsigned
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#define __PX4_SBCAP __sync_bool_compare_and_swap
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#define __PX4_SBCAP __sync_bool_compare_and_swap
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#endif
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#endif
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bool
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bool
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RingBuffer::get(void *val, size_t val_size)
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RingBuffer::get(void *val, size_t val_size)
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{
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{
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if (_tail != _head) {
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if (_tail != _head) {
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unsigned candidate;
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unsigned candidate;
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@@ -340,7 +340,7 @@ RingBuffer::get(double &val)
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}
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}
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unsigned
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unsigned
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RingBuffer::space(void)
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RingBuffer::space(void)
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{
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{
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unsigned tail, head;
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unsigned tail, head;
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@@ -361,7 +361,7 @@ RingBuffer::space(void)
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}
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}
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unsigned
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unsigned
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RingBuffer::count(void)
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RingBuffer::count(void)
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{
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{
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/*
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/*
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* Note that due to the conservative nature of space(), this may
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* Note that due to the conservative nature of space(), this may
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@@ -371,7 +371,7 @@ RingBuffer::count(void)
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}
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}
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bool
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bool
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RingBuffer::resize(unsigned new_size)
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RingBuffer::resize(unsigned new_size)
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{
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{
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char *old_buffer;
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char *old_buffer;
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char *new_buffer = new char [(new_size+1) * _item_size];
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char *new_buffer = new char [(new_size+1) * _item_size];
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@@ -388,13 +388,13 @@ RingBuffer::resize(unsigned new_size)
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}
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}
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void
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void
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RingBuffer::print_info(const char *name)
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RingBuffer::print_info(const char *name)
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{
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{
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printf("%s %u/%lu (%u/%u @ %p)\n",
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printf("%s %u/%lu (%u/%u @ %p)\n",
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name,
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name,
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_num_items,
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_num_items,
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(unsigned long)_num_items * _item_size,
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(unsigned long)_num_items * _item_size,
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_head,
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_head,
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_tail,
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_tail,
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_buf);
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_buf);
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}
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}
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@@ -161,7 +161,7 @@ public:
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private:
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private:
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unsigned _num_items;
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unsigned _num_items;
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const size_t _item_size;
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const size_t _item_size;
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char *_buf;
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char *_buf;
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volatile unsigned _head; /**< insertion point in _item_size units */
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volatile unsigned _head; /**< insertion point in _item_size units */
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volatile unsigned _tail; /**< removal point in _item_size units */
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volatile unsigned _tail; /**< removal point in _item_size units */
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