sbin/hastd/lzf.c

112   const u8 *ip = (const u8 *)in_data;
114   const u8 *in_end  = ip + in_len;
140     *hslot++ = ip;
146   hval = FRST (ip);
147   while (ip < in_end - 2)
149       hval = NEXT (hval, ip);
151       ref = *hslot; *hslot = ip;
155           && ref < ip /* the next test will actually take care of this, but this is faster */
157           && (off = ip - ref - 1) < MAX_OFF
158           && ip + 4 < in_end
161           && ref[0] == ip[0]
162           && ref[1] == ip[1]
163           && ref[2] == ip[2]
165           && *(const u16 *)ref == *(const u16 *)ip
166           && ref[2] == ip[2]
172           unsigned int maxlen = in_end - ip - len;
186                   len++; if (ref [len] != ip [len]) break;
187                   len++; if (ref [len] != ip [len]) break;
188                   len++; if (ref [len] != ip [len]) break;
189                   len++; if (ref [len] != ip [len]) break;
191                   len++; if (ref [len] != ip [len]) break;
192                   len++; if (ref [len] != ip [len]) break;
193                   len++; if (ref [len] != ip [len]) break;
194                   len++; if (ref [len] != ip [len]) break;
196                   len++; if (ref [len] != ip [len]) break;
197                   len++; if (ref [len] != ip [len]) break;
198                   len++; if (ref [len] != ip [len]) break;
199                   len++; if (ref [len] != ip [len]) break;
201                   len++; if (ref [len] != ip [len]) break;
202                   len++; if (ref [len] != ip [len]) break;
203                   len++; if (ref [len] != ip [len]) break;
204                   len++; if (ref [len] != ip [len]) break;
209               while (len < maxlen && ref[len] == ip[len]);
215           ip++;
230           ip += len + 1;
232           if (expect_false (ip >= in_end - 2))
236           --ip;
238           --ip;
240           hval = FRST (ip);
242           hval = NEXT (hval, ip);
243           htab[IDX (hval)] = ip;
244           ip++;
247           hval = NEXT (hval, ip);
248           htab[IDX (hval)] = ip;
249           ip++;
252           ip -= len + 1;
256               hval = NEXT (hval, ip);
257               htab[IDX (hval)] = ip;
258               ip++;
269           lit++; *op++ = *ip++;
282   while (ip < in_end)
284       lit++; *op++ = *ip++;
317   u8 const *ip = (const u8 *)in_data;
319   u8 const *const in_end  = ip + in_len;
324       unsigned int ctrl = *ip++;
337           if (ip + ctrl > in_end)
345           lzf_movsb (op, ip, ctrl);
348             *op++ = *ip++;
359           if (ip >= in_end)
367               len += *ip++;
369               if (ip >= in_end)
377           ref -= *ip++;
404   while (ip < in_end);