queue: make data pointers const in queue_try_add and queue_add_blocking (#423)
The only operation done on the data pointer is to pass it into the second argument of memcpy, which is `const void *`
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@ -163,7 +163,7 @@ static inline bool queue_is_full(queue_t *q) {
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* If the queue is full this function will return immediately with false, otherwise
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* the data is copied into a new value added to the queue, and this function will return true.
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*/
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bool queue_try_add(queue_t *q, void *data);
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bool queue_try_add(queue_t *q, const void *data);
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/*! \brief Non-blocking removal of entry from the queue if non empty
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* \ingroup queue
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@ -199,7 +199,7 @@ bool queue_try_peek(queue_t *q, void *data);
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*
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* If the queue is full this function will block, until a removal happens on the queue
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*/
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void queue_add_blocking(queue_t *q, void *data);
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void queue_add_blocking(queue_t *q, const void *data);
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/*! \brief Blocking remove entry from queue
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* \ingroup queue
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@ -41,7 +41,7 @@ static inline uint16_t inc_index(queue_t *q, uint16_t index) {
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return index;
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}
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static bool queue_add_internal(queue_t *q, void *data, bool block) {
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static bool queue_add_internal(queue_t *q, const void *data, bool block) {
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do {
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uint32_t save = spin_lock_blocking(q->core.spin_lock);
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if (queue_get_level_unsafe(q) != q->element_count) {
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@ -94,7 +94,7 @@ static bool queue_peek_internal(queue_t *q, void *data, bool block) {
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} while (true);
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}
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bool queue_try_add(queue_t *q, void *data) {
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bool queue_try_add(queue_t *q, const void *data) {
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return queue_add_internal(q, data, false);
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}
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@ -106,7 +106,7 @@ bool queue_try_peek(queue_t *q, void *data) {
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return queue_peek_internal(q, data, false);
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}
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void queue_add_blocking(queue_t *q, void *data) {
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void queue_add_blocking(queue_t *q, const void *data) {
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queue_add_internal(q, data, true);
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}
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