170     char* buffer_cur = buffer;  in write()  local
184         if (buffer_cur + sizeof(uint8_t) + len > buffer_end) {  in write()
188         *buffer_cur++ = len;  in write()
189         buffer_cur = std::copy(std::next(name.begin(), pos),  in write()
191                                buffer_cur);  in write()
195     *buffer_cur++ = 0;  in write()
196     return buffer_cur;  in write()
254     char* buffer_cur = qname.write(buffer, buffer_end);  in write()  local
255     if (buffer_cur == nullptr) return nullptr;  in write()
256     if (buffer_cur + 2*sizeof(uint16_t) > buffer_end) {  in write()
260     *reinterpret_cast<uint16_t*>(buffer_cur) = htons(qtype);  in write()
261     *reinterpret_cast<uint16_t*>(buffer_cur + sizeof(uint16_t)) =  in write()
263     return buffer_cur + 2*sizeof(uint16_t);  in write()
317     char* buffer_cur = name.write(buffer, buffer_end);  in write()  local
318     if (buffer_cur == nullptr) return nullptr;  in write()
319     buffer_cur = writeIntFields(rdata.size(), buffer_cur, buffer_end);  in write()
320     if (buffer_cur == nullptr) return nullptr;  in write()
321     if (buffer_cur + rdata.size() > buffer_end) {  in write()
325     return std::copy(rdata.begin(), rdata.end(), buffer_cur);  in write()
467     char* buffer_cur = buffer + sizeof(Header);  in write()  local
469         buffer_cur = question.write(buffer_cur, buffer_end);  in write()
470         if (buffer_cur == nullptr) return nullptr;  in write()
473         buffer_cur = answer.write(buffer_cur, buffer_end);  in write()
474         if (buffer_cur == nullptr) return nullptr;  in write()
477         buffer_cur = authority.write(buffer_cur, buffer_end);  in write()
478         if (buffer_cur == nullptr) return nullptr;  in write()
481         buffer_cur = additional.write(buffer_cur, buffer_end);  in write()
482         if (buffer_cur == nullptr) return nullptr;  in write()
484     return buffer_cur;  in write()