| 262 | } |
| 263 | |
| 264 | __attribute__((unused)) static bool CopyFile(const std::string& src_file, |
| 265 | const std::string& desc_file) { |
| 266 | if (!IsExists(src_file)) { |
| 267 | return false; |
| 268 | } |
| 269 | FILE* f_src = fopen(src_file.c_str(), "r"); |
| 270 | if (!f_src) { |
| 271 | return false; |
| 272 | } |
| 273 | FILE* f_desc = fopen(desc_file.c_str(), "w+"); |
| 274 | if (!f_desc) { |
| 275 | fclose(f_src); |
| 276 | return false; |
| 277 | } |
| 278 | char buf[BOLCK_SIZE]; |
| 279 | bool has_error = false; |
| 280 | while (!feof(f_src)) { |
| 281 | size_t r_len = fread(buf, sizeof(char), BOLCK_SIZE, f_src); |
| 282 | if (r_len < BOLCK_SIZE) { |
| 283 | if (!feof(f_src)) { |
| 284 | has_error = true; |
| 285 | break; |
| 286 | } |
| 287 | } |
| 288 | size_t w_len = fwrite(buf, sizeof(char), r_len, f_desc); |
| 289 | if (w_len < r_len) { |
| 290 | has_error = true; |
| 291 | break; |
| 292 | } |
| 293 | } |
| 294 | fclose(f_src); |
| 295 | fclose(f_desc); |
| 296 | return has_error == false; |
| 297 | } |
| 298 | |
| 299 | } // namespace base |
| 300 | } // namespace fedb |