bjoernager/rust
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Add peek method to circular buffer.

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This commit is contained in:
Michael Bebenita 2010-07-28 00:01:06 -07:00 • committed by Graydon Hoare
parent 17fa6bfd9a
commit d6cba83322
2 changed files with 6 additions and 0 deletions
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5
src/rt/circular_buffer.cpp
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@ -127,6 +127,11 @@ circular_buffer::dequeue(void *dst) {
} }
uint8_t *
circular_buffer::peek() {
return &_buffer[_next];
}
bool bool
circular_buffer::is_empty() { circular_buffer::is_empty() {
return _unread == 0; return _unread == 0;

1
src/rt/circular_buffer.h
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@ -19,6 +19,7 @@ public:
void transfer(void *dst); void transfer(void *dst);
void enqueue(void *src); void enqueue(void *src);
void dequeue(void *dst); void dequeue(void *dst);
uint8_t *peek();
bool is_empty(); bool is_empty();
private: private: