Cross Reference: /vbox/src/libs/zlib-1.2.6/inflate.c

Lines Matching refs:check
34  * - Remove distance extra == 0 check in inflate_fast()--only helps for lengths
51  * - Simplified bad distance check in inflate_fast()
430 /* check function to use adler32() for zlib or crc32() for gzip */
432 #  define UPDATE(check, buf, len) \
433     (state->flags ? crc32(check, buf, len) : adler32(check, buf, len))
435 #  define UPDATE(check, buf, len) adler32(check, buf, len)
438 /* check macros for header crc */
440 #  define CRC2(check, word) \
444         check = crc32(check, hbuf, 2); \
447 #  define CRC4(check, word) \
453         check = crc32(check, hbuf, 4); \
590    update the check value, and determine whether any progress has been made
637     if (state->mode == TYPE) state->mode = TYPEDO;      /* skip check */
652                 state->check = crc32(0L, Z_NULL, 0);
653                 CRC2(state->check, hold);
661             if (!(state->wrap & 1) ||   /* check if zlib header allowed */
666                 strm->msg = (char *)"incorrect header check";
686             strm->adler = state->check = adler32(0L, Z_NULL, 0);
706             if (state->flags & 0x0200) CRC2(state->check, hold);
713             if (state->flags & 0x0200) CRC4(state->check, hold);
722             if (state->flags & 0x0200) CRC2(state->check, hold);
731                 if (state->flags & 0x0200) CRC2(state->check, hold);
750                         state->check = crc32(state->check, next, copy);
771                     state->check = crc32(state->check, next, copy);
792                     state->check = crc32(state->check, next, copy);
803                 if (hold != (state->check & 0xffff)) {
814             strm->adler = state->check = crc32(0L, Z_NULL, 0);
820             strm->adler = state->check = REVERSE(hold);
828             strm->adler = state->check = adler32(0L, Z_NULL, 0);
991             /* check for end-of-block code (better have one) */
1185                     strm->adler = state->check =
1186                         UPDATE(state->check, put - out, out);
1192                      REVERSE(hold)) != state->check) {
1193                     strm->msg = (char *)"incorrect data check";
1198                 Tracev((stderr, "inflate:   check matches trailer\n"));
1206                     strm->msg = (char *)"incorrect length check";
1229        Return from inflate(), updating the total counts and the check value.
1248         strm->adler = state->check =
1249             UPDATE(state->check, strm->next_out - out, out);
1283     /* check state */
1289     /* check for correct dictionary id */
1293         if (id != state->check)
1321     /* check state */
1374     /* check parameters */
1412    implementation to provide an additional safety check. PPP uses
1436     /* check input */