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Improve MemoryLog.

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GitOrigin-RevId: 8ba9661f6b673ca0082f7bd4d75b2046faed93fe
This commit is contained in:
levlam 2020-08-04 01:19:45 +03:00
parent 4cbc6035e7
commit 37e87bddf5
1 changed files with 3 additions and 2 deletions
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5
tdutils/td/utils/MemoryLog.h
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@ -19,6 +19,7 @@ namespace td {
template <int buffer_size = 32 * (1 << 10)>
class MemoryLog : public LogInterface {
static constexpr size_t MAX_OUTPUT_SIZE = buffer_size / 16 < (8 << 10) ? buffer_size / 16 : (8 << 10);
static_assert((buffer_size & 15) == 0 && buffer_size >= (8 << 10), "Invalid buffer size");
public:
MemoryLog() {
@ -43,13 +44,13 @@ class MemoryLog : public LogInterface {
uint32 end_pos = start_pos + total_size;
if (likely(end_pos <= buffer_size)) {
std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), slice_size);
std::memcpy(&buffer_[start_pos + MAGIC_SIZE + slice_size], " ", pad_size);
std::memcpy(&buffer_[start_pos + MAGIC_SIZE + slice_size], " ", pad_size);
} else {
size_t first = buffer_size - start_pos - MAGIC_SIZE;
size_t second = slice_size - first;
std::memcpy(&buffer_[start_pos + MAGIC_SIZE], slice.data(), first);
std::memcpy(&buffer_[0], slice.data() + first, second);
std::memcpy(&buffer_[second], " ", pad_size);
std::memcpy(&buffer_[second], " ", pad_size);
}
CHECK((start_pos & 15) == 0);