| … | |
… | |
| 70 | u8 *op = (u8 *)out_data; |
70 | u8 *op = (u8 *)out_data; |
| 71 | const u8 *in_end = ip + in_len; |
71 | const u8 *in_end = ip + in_len; |
| 72 | u8 *out_end = op + out_len; |
72 | u8 *out_end = op + out_len; |
| 73 | |
73 | |
| 74 | const u8 *first [1 << (6+8)]; /* most recent occurance of a match */ |
74 | const u8 *first [1 << (6+8)]; /* most recent occurance of a match */ |
| 75 | u16 prev [MAX_OFF]; /* how many bytes to go backwards for te next match */ |
75 | u16 prev [MAX_OFF]; /* how many bytes to go backwards for the next match */ |
| 76 | |
76 | |
| 77 | int lit; |
77 | int lit; |
| 78 | |
78 | |
| 79 | if (!in_len || !out_len) |
79 | if (!in_len || !out_len) |
| 80 | return 0; |
80 | return 0; |
| … | |
… | |
| 114 | best_l = l; |
114 | best_l = l; |
| 115 | } |
115 | } |
| 116 | } |
116 | } |
| 117 | |
117 | |
| 118 | diff = prev [((unsigned int)p) & (MAX_OFF - 1)]; |
118 | diff = prev [((unsigned int)p) & (MAX_OFF - 1)]; |
| 119 | p = diff ? p - diff : (u8 *)diff; |
119 | p = diff ? p - diff : 0; |
| 120 | } |
120 | } |
| 121 | |
121 | |
| 122 | if (best_l) |
122 | if (best_l) |
| 123 | { |
123 | { |
| 124 | int len = best_l; |
124 | int len = best_l; |
