lib/libz/inflate.c

101 local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
464         have = strm->avail_in; \
475         strm->avail_in = have; \
491         if (have == 0) goto inf_leave; \
492         have--; \
566    would all have to actually be part of the saved state in case NEEDBITS()
612     unsigned have, left;        /* available input and output */
635     in = have;
736                 if (copy > have) copy = have;
747                     have -= copy;
757                 if (have == 0) goto inf_leave;
765                 } while (len && copy < have);
768                 have -= copy;
778                 if (have == 0) goto inf_leave;
786                 } while (len && copy < have);
789                 have -= copy;
883                 if (copy > have) copy = have;
887                 have -= copy;
913             state->have = 0;
916             while (state->have < state->ncode) {
918                 state->lens[order[state->have++]] = (unsigned short)BITS(3);
921             while (state->have < 19)
922                 state->lens[order[state->have++]] = 0;
934             state->have = 0;
937             while (state->have < state->nlen + state->ndist) {
945                     state->lens[state->have++] = here.val;
951                         if (state->have == 0) {
956                         len = state->lens[state->have - 1];
974                     if (state->have + copy > state->nlen + state->ndist) {
980                         state->lens[state->have++] = (unsigned short)len;
987             /* check for end-of-block code (better have one) */
1022             if (have >= 6 && left >= 258) {
1345    or when out of input.  When called, *have is the number of pattern bytes
1346    found in order so far, in 0..3.  On return *have is updated to the new
1347    state.  If on return *have equals four, then the pattern was found and the
1349    pattern.  If *have is less than four, then the pattern has not been found
1351    called again with more data and the *have state.  *have is initialized to
1354 local unsigned syncsearch(have, buf, len)
1355 unsigned FAR *have;
1362     got = *have;
1373     *have = got;
1401         state->have = 0;
1402         syncsearch(&(state->have), buf, len);
1406     len = syncsearch(&(state->have), strm->next_in, strm->avail_in);
1412     if (state->have != 4) return Z_DATA_ERROR;