61 ssize_t RingBuffer::Read(const int fd, const std::size_t len)  in Read()  argument
66     if (len == 0) {  in Read()
73     while (len >= FreeSize()) {  in Read()
81     if (tail_ + len < bufSize_) {  in Read()
83         destBufs[0].iov_len = len;  in Read()
84         destBufs[1].iov_base = buffer_ + tail_ + len;  in Read()
90         destBufs[1].iov_len = len + tail_ - bufSize_;  in Read()
103 ssize_t RingBuffer::Write(const int fd, std::size_t len)  in Write()  argument
112     if (dataSize < len) {  in Write()
113         len = dataSize;  in Write()
115     if (len == 0) {  in Write()
120     if (head_ + len > bufSize_) {  in Write()
124         srcBufs[1].iov_len = len + head_- bufSize_;  in Write()
127         srcBufs[0].iov_len = len;  in Write()
128         srcBufs[1].iov_base = buffer_ + head_ + len;  in Write()
142 std::size_t RingBuffer::Get(char* dest, const std::size_t len)  in Get()  argument
147     if (len == 0) {  in Get()
152     if (len > dataSize) {  in Get()
155     if (head_ + len > bufSize_) {  in Get()
157         if (memcpy_s(dest, len, buffer_ + head_, bufSize_ - head_) != EOK) {  in Get()
160 …if (memcpy_s(dest + bufSize_ - head_, len + head_ - bufSize_, buffer_, len + head_ - bufSize_) != …  in Get()
164         if (memcpy_s(dest, len, buffer_ + head_, len) != EOK) {  in Get()
169     head_ += len;  in Get()
173     return len;  in Get()
176 int RingBuffer::Put(const char* str, const std::size_t len)  in Put()  argument
181     if (len == 0) {  in Put()
186     while (len >= FreeSize()) {  in Put()
192     if (tail_ + len < bufSize_) {  in Put()
194         if (memcpy_s(buffer_ + tail_, bufSize_ - tail_, str, len) != EOK) {  in Put()
202         if (memcpy_s(buffer_, bufSize_, str + bufSize_ - tail_, len + tail_ - bufSize_) != EOK) {  in Put()
207     tail_ += len;  in Put()
211     return len;  in Put()
219     std::size_t len = str.length();  in Put()  local
220     if (len == 0) {  in Put()
225     while (len >= FreeSize()) {  in Put()
231     if (tail_ + len < bufSize_) {  in Put()
233         if (memcpy_s(buffer_ + tail_, bufSize_ - tail_, str.c_str(), len) != EOK) {  in Put()
241 …  if (memcpy_s(buffer_, bufSize_, str.c_str() + bufSize_ - tail_, len + tail_ - bufSize_) != EOK) {  in Put()
246     tail_ += len;  in Put()
250     return len;  in Put()