| 616 | */ |
| 617 | |
| 618 | static int |
| 619 | Pred1Decompress(node_p node, u_char *source, u_char *dest, int slen, int dlen) |
| 620 | { |
| 621 | const priv_p priv = NG_NODE_PRIVATE(node); |
| 622 | int i; |
| 623 | u_char flags, *orgdest; |
| 624 | |
| 625 | orgdest = dest; |
| 626 | while (slen) { |
| 627 | flags = *source++; |
| 628 | slen--; |
| 629 | for (i = 0; i < 8; i++, flags >>= 1) { |
| 630 | if (dlen <= 0) |
| 631 | return(-1); |
| 632 | if (flags & 0x01) |
| 633 | /* Guess correct */ |
| 634 | *dest = priv->GuessTable[priv->Hash]; |
| 635 | else { |
| 636 | if (!slen) |
| 637 | /* We seem to be really done -- cabo. */ |
| 638 | break; |
| 639 | |
| 640 | /* Guess wrong. */ |
| 641 | priv->GuessTable[priv->Hash] = *source; |
| 642 | /* Read from source. */ |
| 643 | *dest = *source++; |
| 644 | slen--; |
| 645 | } |
| 646 | HASH(*dest++); |
| 647 | dlen--; |
| 648 | } |
| 649 | } |
| 650 | return (dest - orgdest); |
| 651 | } |
| 652 | |
| 653 | /* |
| 654 | * Pred1SyncTable() |
no outgoing calls
no test coverage detected