18 for (
int i = 0; i <= kMaxRecordType; i++) {
19 char t =
static_cast<char>(i);
28 const char* ptr = slice.
data();
29 size_t left = slice.
size();
38 assert(leftover >= 0);
39 if (leftover < kHeaderSize) {
43 assert(kHeaderSize == 7);
50 assert(kBlockSize - block_offset_ - kHeaderSize >= 0);
52 const size_t avail = kBlockSize - block_offset_ - kHeaderSize;
53 const size_t fragment_length = (left < avail) ? left : avail;
56 const bool end = (left == fragment_length);
68 ptr += fragment_length;
69 left -= fragment_length;
71 }
while (s.
ok() && left > 0);
80 char buf[kHeaderSize];
81 buf[4] =
static_cast<char>(n & 0xff);
82 buf[5] =
static_cast<char>(n >> 8);
83 buf[6] =
static_cast<char>(t);
Writer(WritableFile *dest)
const char * data() const
virtual Status Append(const Slice &data)=0
Status EmitPhysicalRecord(RecordType type, const char *ptr, size_t length)
void EncodeFixed32(char *buf, uint32_t value)
Status AddRecord(const Slice &slice)
uint32_t type_crc_[kMaxRecordType+1]
uint32_t Mask(uint32_t crc)
uint32_t Value(const char *data, size_t n)
uint32_t Extend(uint32_t crc, const char *buf, size_t size)