… | |
… | |
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; |