412 #  define UPDATE(check, buf, len) \  argument
413     (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
415 #  define UPDATE(check, buf, len) adler32(check, buf, len)  argument
420 #  define CRC2(check, word) \  argument
424         check = crc32(check, hbuf, 2); \
427 #  define CRC4(check, word) \  argument
433         check = crc32(check, hbuf, 4); \
632                 state->check = crc32(0L, Z_NULL, 0);
633                 CRC2(state->check, hold);
638             state->flags = 0;           /* expect zlib header */
666             strm->adler = state->check = adler32(0L, Z_NULL, 0);
673             state->flags = (int)(hold);
674             if ((state->flags & 0xff) != Z_DEFLATED) {
679             if (state->flags & 0xe000) {
686             if (state->flags & 0x0200) CRC2(state->check, hold);
693             if (state->flags & 0x0200) CRC4(state->check, hold);
702             if (state->flags & 0x0200) CRC2(state->check, hold);
706             if (state->flags & 0x0400) {
711                 if (state->flags & 0x0200) CRC2(state->check, hold);
718             if (state->flags & 0x0400) {
729                     if (state->flags & 0x0200)
730                         state->check = crc32(state->check, next, copy);
740             if (state->flags & 0x0800) {
750                 if (state->flags & 0x0200)
751                     state->check = crc32(state->check, next, copy);
761             if (state->flags & 0x1000) {
771                 if (state->flags & 0x0200)
772                     state->check = crc32(state->check, next, copy);
781             if (state->flags & 0x0200) {
783                 if (hold != (state->check & 0xffff)) {
791                 state->head->hcrc = (int)((state->flags >> 9) & 1);
794             strm->adler = state->check = crc32(0L, Z_NULL, 0);
800             strm->adler = state->check = REVERSE(hold);
808             strm->adler = state->check = adler32(0L, Z_NULL, 0);
1166                     strm->adler = state->check =
1167                         UPDATE(state->check, put - out, out);
1171                      state->flags ? hold :
1173                      REVERSE(hold)) != state->check) {
1184             if (state->wrap && state->flags) {
1228         strm->adler = state->check =
1229             UPDATE(state->check, strm->next_out - out, out);
1270         if (id != state->check)