| 363 | } |
| 364 | |
| 365 | ssize_t rdbSaveLzfStringObject(rio *rdb, const unsigned char *s, size_t len) { |
| 366 | char rgbuf[2048]; |
| 367 | size_t comprlen, outlen; |
| 368 | void *out = rgbuf; |
| 369 | |
| 370 | /* We require at least four bytes compression for this to be worth it */ |
| 371 | if (len <= 4) return 0; |
| 372 | outlen = len-4; |
| 373 | if (outlen >= sizeof(rgbuf)) |
| 374 | if ((out = zmalloc(outlen+1, MALLOC_LOCAL)) == NULL) return 0; |
| 375 | comprlen = lzf_compress(s, len, out, outlen); |
| 376 | if (comprlen == 0) { |
| 377 | if (out != rgbuf) |
| 378 | zfree(out); |
| 379 | return 0; |
| 380 | } |
| 381 | ssize_t nwritten = rdbSaveLzfBlob(rdb, out, comprlen, len); |
| 382 | if (out != rgbuf) |
| 383 | zfree(out); |
| 384 | return nwritten; |
| 385 | } |
| 386 | |
| 387 | /* Load an LZF compressed string in RDB format. The returned value |
| 388 | * changes according to 'flags'. For more info check the |
no test coverage detected