40   if (pos > 0) { // If the buffer is not empty  in write_unlocked_nbf()
42     const size_t write_size = pos;  in write_unlocked_nbf()
44     pos = 0; // Buffer is now empty so reset pos to the beginning.  in write_unlocked_nbf()
59   const size_t init_pos = pos;  in write_unlocked_fbf()
60   const size_t bufspace = bufsize - pos;  in write_unlocked_fbf()
87     bufref[pos + i] = primary[i];  in write_unlocked_fbf()
88   pos += primary.size();  in write_unlocked_fbf()
97   const size_t write_size = pos;  in write_unlocked_fbf()
99   pos = 0; // Buffer is now empty so reset pos to the beginning.  in write_unlocked_fbf()
114     pos = remainder.size();  in write_unlocked_fbf()
191   size_t available_data = read_limit - pos;  in read_unlocked()
195       dataref[i] = bufref[i + pos];  in read_unlocked()
196     pos += len;  in read_unlocked()
203     dataref[i] = bufref[i + pos];  in read_unlocked()
204   read_limit = pos = 0; // Reset the pointers.  in read_unlocked()
225   pos += transfer_size;  in read_unlocked()
237   if (prev_op == FileOp::WRITE && pos > 0) {  in seek()
238     size_t transferred_size = platform_write(this, buf, pos);  in seek()
239     if (transferred_size < pos) {  in seek()
247     offset -= (read_limit - pos);  in seek()
249   pos = read_limit = 0;  in seek()
258   if (prev_op == FileOp::WRITE && pos > 0) {  in flush_unlocked()
259     size_t transferred_size = platform_write(this, buf, pos);  in flush_unlocked()
260     if (transferred_size < pos) {  in flush_unlocked()
264     pos = 0;  in flush_unlocked()
274     if (prev_op == FileOp::WRITE && pos > 0) {  in close()
275       size_t transferred_size = platform_write(this, buf, pos);  in close()
276       if (transferred_size < pos) {  in close()