… | |
… | |
157 | /* match found at *ref++ */ |
157 | /* match found at *ref++ */ |
158 | unsigned int len = 2; |
158 | unsigned int len = 2; |
159 | unsigned int maxlen = in_end - ip - len; |
159 | unsigned int maxlen = in_end - ip - len; |
160 | maxlen = maxlen > MAX_REF ? MAX_REF : maxlen; |
160 | maxlen = maxlen > MAX_REF ? MAX_REF : maxlen; |
161 | |
161 | |
162 | if (expect_false (op + 1 + 3 >= out_end)) |
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163 | return 0; |
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164 | |
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165 | op [- lit - 1] = lit - 1; /* stop run */ |
162 | op [- lit - 1] = lit - 1; /* stop run */ |
166 | op -= !lit; /* undo run if length is zero */ |
163 | op -= !lit; /* undo run if length is zero */ |
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164 | |
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165 | if (expect_false (op + 3 + 1 >= out_end)) |
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166 | return 0; |
167 | |
167 | |
168 | for (;;) |
168 | for (;;) |
169 | { |
169 | { |
170 | if (expect_true (maxlen > 16)) |
170 | if (expect_true (maxlen > 16)) |
171 | { |
171 | { |
… | |
… | |
254 | op [- lit - 1] = lit - 1; /* stop run */ |
254 | op [- lit - 1] = lit - 1; /* stop run */ |
255 | lit = 0; op++; /* start run */ |
255 | lit = 0; op++; /* start run */ |
256 | } |
256 | } |
257 | } |
257 | } |
258 | |
258 | |
259 | if (op + lit + 2 >= out_end) |
259 | if (op + 2 >= out_end) |
260 | return 0; |
260 | return 0; |
261 | |
261 | |
262 | while (ip < in_end) |
262 | while (ip < in_end) |
263 | { |
263 | { |
264 | lit++; |
264 | lit++; |
265 | *op++ = *ip++; |
265 | *op++ = *ip++; |
266 | } |
266 | } |
267 | |
267 | |
268 | op [- lit - 1] = lit - 1; |
268 | op [- lit - 1] = lit - 1; /* end run */ |
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269 | op -= !lit; /* undo run if length is zero */ |
269 | |
270 | |
270 | return op - (u8 *)out_data; |
271 | return op - (u8 *)out_data; |
271 | } |
272 | } |
272 | |
273 | |