common/zmod/deflate.c

1038     register Bytef *scan = s->window + s->strstart; /* current string */
1056     register ush scan_start = *(ushf*)scan;
1057     register ush scan_end   = *(ushf*)(scan+best_len-1);
1060     register Byte scan_end1  = scan[best_len-1];
1061     register Byte scan_end   = scan[best_len];
1099         /* It is not necessary to compare scan[2] and match[2] since they are
1108         Assert(scan[2] == match[2], "scan[2]?");
1109         scan++, match++;
1111         } while (*(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
1112                  *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
1113                  *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
1114                  *(ushf*)(scan+=2) == *(ushf*)(match+=2) &&
1115                  scan < strend);
1118         /* Here, scan <= window+strstart+257 */
1119         Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
1120         if (*scan == *match) scan++;
1122         len = (MAX_MATCH - 1) - (int)(strend-scan);
1123         scan = strend - (MAX_MATCH-1);
1129             *match            != *scan     ||
1130             *++match          != scan[1])      continue;
1134          * It is not necessary to compare scan[2] and match[2] since they
1138         scan += 2, match++;
1139         Assert(*scan == *match, "match[2]?");
1145         } while (*++scan == *++match && *++scan == *++match &&
1146                  *++scan == *++match && *++scan == *++match &&
1147                  *++scan == *++match && *++scan == *++match &&
1148                  *++scan == *++match && *++scan == *++match &&
1149                  scan < strend);
1151         Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
1153         len = MAX_MATCH - (int)(strend - scan);
1154         scan = strend - MAX_MATCH;
1163             scan_end = *(ushf*)(scan+best_len-1);
1165             scan_end1  = scan[best_len-1];
1166             scan_end   = scan[best_len];
1185     register Bytef *scan = s->window + s->strstart; /* current string */
1203     if (match[0] != scan[0] || match[1] != scan[1]) return MIN_MATCH-1;
1207      * It is not necessary to compare scan[2] and match[2] since they
1211     scan += 2, match += 2;
1212     Assert(*scan == *match, "match[2]?");
1218     } while (*++scan == *++match && *++scan == *++match &&
1219              *++scan == *++match && *++scan == *++match &&
1220              *++scan == *++match && *++scan == *++match &&
1221              *++scan == *++match && *++scan == *++match &&
1222              scan < strend);
1224     Assert(scan <= s->window+(unsigned)(s->window_size-1), "wild scan");
1226     len = MAX_MATCH - (int)(strend - scan);
1697     Bytef *scan;        /* scan for end of run */
1716             scan = s->window + s->strstart - 1;
1717             prev = *scan++;
1719                 if (*scan++ != prev)