sbin/hastd/lzf.c

110   const u8 *ip = (const u8 *)in_data;
112   const u8 *in_end  = ip + in_len;
138     *hslot++ = ip;
144   hval = FRST (ip);
145   while (ip < in_end - 2)
147       hval = NEXT (hval, ip);
149       ref = *hslot; *hslot = ip;
153           && ref < ip /* the next test will actually take care of this, but this is faster */
155           && (off = ip - ref - 1) < MAX_OFF
156           && ip + 4 < in_end
159           && ref[0] == ip[0]
160           && ref[1] == ip[1]
161           && ref[2] == ip[2]
163           && *(const u16 *)ref == *(const u16 *)ip
164           && ref[2] == ip[2]
170           unsigned int maxlen = in_end - ip - len;
184                   len++; if (ref [len] != ip [len]) break;
185                   len++; if (ref [len] != ip [len]) break;
186                   len++; if (ref [len] != ip [len]) break;
187                   len++; if (ref [len] != ip [len]) break;
189                   len++; if (ref [len] != ip [len]) break;
190                   len++; if (ref [len] != ip [len]) break;
191                   len++; if (ref [len] != ip [len]) break;
192                   len++; if (ref [len] != ip [len]) break;
194                   len++; if (ref [len] != ip [len]) break;
195                   len++; if (ref [len] != ip [len]) break;
196                   len++; if (ref [len] != ip [len]) break;
197                   len++; if (ref [len] != ip [len]) break;
199                   len++; if (ref [len] != ip [len]) break;
200                   len++; if (ref [len] != ip [len]) break;
201                   len++; if (ref [len] != ip [len]) break;
202                   len++; if (ref [len] != ip [len]) break;
207               while (len < maxlen && ref[len] == ip[len]);
213           ip++;
228           ip += len + 1;
230           if (expect_false (ip >= in_end - 2))
234           --ip;
236           --ip;
238           hval = FRST (ip);
240           hval = NEXT (hval, ip);
241           htab[IDX (hval)] = ip;
242           ip++;
245           hval = NEXT (hval, ip);
246           htab[IDX (hval)] = ip;
247           ip++;
250           ip -= len + 1;
254               hval = NEXT (hval, ip);
255               htab[IDX (hval)] = ip;
256               ip++;
267           lit++; *op++ = *ip++;
280   while (ip < in_end)
282       lit++; *op++ = *ip++;
315   u8 const *ip = (const u8 *)in_data;
317   u8 const *const in_end  = ip + in_len;
322       unsigned int ctrl = *ip++;
335           if (ip + ctrl > in_end)
343           lzf_movsb (op, ip, ctrl);
346             *op++ = *ip++;
357           if (ip >= in_end)
365               len += *ip++;
367               if (ip >= in_end)
375           ref -= *ip++;
402   while (ip < in_end);