lib/zlib_inflate/inflate.c

123     unsigned copy, dist;
127     /* copy state->wsize or less output bytes into the circular window */
128     copy = out - strm->avail_out;
129     if (copy >= state->wsize) {
136         if (dist > copy) dist = copy;
137         memcpy(state->window + state->write, strm->next_out - copy, dist);
138         copy -= dist;
139         if (copy) {
140             memcpy(state->window, strm->next_out - copy, copy);
141             state->write = copy;
317    and there is no window currently, goto inf_leave will create one and copy
340     unsigned copy;              /* number of stored or match bytes to copy */
341     unsigned char *from;        /* where to copy match bytes from */
344     unsigned len;               /* length to copy for repeats, bits to drop */
451             copy = state->length;
452             if (copy) {
453                 if (copy > have) copy = have;
454                 if (copy > left) copy = left;
455                 if (copy == 0) goto inf_leave;
456                 memcpy(put, next, copy);
457                 have -= copy;
458                 next += copy;
459                 left -= copy;
460                 put += copy;
461                 state->length -= copy;
527                         copy = 3 + BITS(2);
534                         copy = 3 + BITS(3);
541                         copy = 11 + BITS(7);
544                     if (state->have + copy > state->nlen + state->ndist) {
549                     while (copy--)
675             copy = out - left;
676             if (state->offset > copy) {         /* copy from window */
677                 copy = state->offset - copy;
678                 if (copy > state->write) {
679                     copy -= state->write;
680                     from = state->window + (state->wsize - copy);
683                     from = state->window + (state->write - copy);
684                 if (copy > state->length) copy = state->length;
686             else {                              /* copy from output */
688                 copy = state->length;
690             if (copy > left) copy = left;
691             left -= copy;
692             state->length -= copy;
695             } while (--copy);