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Updated the chunk_allocator to take the sentinel implementation detail into account + Fixed some formatting inconsistencies

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This commit is contained in:
Blake Martin 2017-08-16 19:15:27 -05:00
parent 7a030bc89a
commit 423388e6b0
1 changed files with 7 additions and 5 deletions
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12
easy_profiler_core/profile_manager.h
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@ -149,7 +149,9 @@ namespace profiler {
template <uint16_t N>
class chunk_allocator
{
struct chunk { EASY_ALIGNED(int8_t, data[N], EASY_ALIGNMENT_SIZE); chunk* prev = nullptr; };
static constexpr uint16_t chunk_size_with_sentinel() { return N + sizeof(uint16_t); }
struct chunk { EASY_ALIGNED(int8_t, data[chunk_size_with_sentinel()], EASY_ALIGNMENT_SIZE); chunk* prev = nullptr; };
struct chunk_list
{
@ -203,8 +205,8 @@ class chunk_allocator
//typedef std::list<chunk> chunk_list;
chunk_list m_chunks; ///< List of chunks.
uint32_t m_size; ///< Number of elements stored(# of times allocate() has been called.)
chunk_list m_chunks; ///< List of chunks.
uint32_t m_size; ///< Number of elements stored(# of times allocate() has been called.)
uint16_t m_chunkOffset; ///< Number of bytes used in the current chunk.
public:
@ -251,7 +253,7 @@ public:
{
// We need to make sure that there is always room for a sentinel element (payload size = 0)
// for parsing later.
return (m_chunkOffset + n + 2*sizeof(uint16_t)) > N;
return (m_chunkOffset + n + 2*sizeof(uint16_t)) > chunk_size_with_sentinel();
}
uint32_t size() const
@ -287,7 +289,7 @@ public:
// where an element consists of a payload size + a payload as follows:
// data[0..1]: size as a uint16_t
// data[2..?<(N-sizeof(uint16_t)-1): payload.
// Note that all chunks end with an element that has a payload size of 0.
// Note that all chunks end with a sentinel element that has a payload size of 0.
// For each chunk...
chunk* current = m_chunks.last;