| … | |
… | |
| 168 | /* match found at *ref++ */ |
168 | /* match found at *ref++ */ |
| 169 | unsigned int len = 2; |
169 | unsigned int len = 2; |
| 170 | unsigned int maxlen = in_end - ip - len; |
170 | unsigned int maxlen = in_end - ip - len; |
| 171 | maxlen = maxlen > MAX_REF ? MAX_REF : maxlen; |
171 | maxlen = maxlen > MAX_REF ? MAX_REF : maxlen; |
| 172 | |
172 | |
|
|
173 | if (expect_false (op + 3 + 1 >= out_end)) /* first a faster conservative test */ |
|
|
174 | if (op - !lit + 3 + 1 >= out_end) /* second the exact but rare test */ |
|
|
175 | return 0; |
|
|
176 | |
| 173 | op [- lit - 1] = lit - 1; /* stop run */ |
177 | op [- lit - 1] = lit - 1; /* stop run */ |
| 174 | op -= !lit; /* undo run if length is zero */ |
178 | op -= !lit; /* undo run if length is zero */ |
| 175 | |
|
|
| 176 | if (expect_false (op + 3 + 1 >= out_end)) |
|
|
| 177 | return 0; |
|
|
| 178 | |
179 | |
| 179 | for (;;) |
180 | for (;;) |
| 180 | { |
181 | { |
| 181 | if (expect_true (maxlen > 16)) |
182 | if (expect_true (maxlen > 16)) |
| 182 | { |
183 | { |
| … | |
… | |
| 224 | *op++ = off; |
225 | *op++ = off; |
| 225 | lit = 0; op++; /* start run */ |
226 | lit = 0; op++; /* start run */ |
| 226 | |
227 | |
| 227 | ip += len + 1; |
228 | ip += len + 1; |
| 228 | |
229 | |
| 229 | if (expect_false (ip > in_end - 2)) |
230 | if (expect_false (ip >= in_end - 2)) |
| 230 | break; |
231 | break; |
| 231 | |
232 | |
| 232 | #if ULTRA_FAST || VERY_FAST |
233 | #if ULTRA_FAST || VERY_FAST |
| 233 | --ip; |
234 | --ip; |
| 234 | # if VERY_FAST && !ULTRA_FAST |
235 | # if VERY_FAST && !ULTRA_FAST |
