| 194 | } |
| 195 | |
| 196 | bool KittyIOFile::writeOffsetToFile(uintptr_t offset, size_t len, const std::string &filePath) |
| 197 | { |
| 198 | _error = 0; |
| 199 | |
| 200 | KittyIOFile of(filePath, O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 0666); |
| 201 | if (!of.open()) |
| 202 | return false; |
| 203 | |
| 204 | std::vector<char> buffer(_bufferSize); |
| 205 | size_t remaining = len; |
| 206 | uintptr_t curr_off = offset; |
| 207 | |
| 208 | while (remaining > 0) |
| 209 | { |
| 210 | size_t to_read = std::min(remaining, _bufferSize); |
| 211 | ssize_t nread = pread(curr_off, buffer.data(), to_read); |
| 212 | if (nread <= 0) |
| 213 | break; |
| 214 | |
| 215 | if (of.write(buffer.data(), nread) != nread) |
| 216 | return false; |
| 217 | |
| 218 | curr_off += nread; |
| 219 | remaining -= nread; |
| 220 | } |
| 221 | |
| 222 | return remaining == 0; |
| 223 | } |
| 224 | |
| 225 | bool KittyIOFile::writeToFd(int fd) |
| 226 | { |