MFV 7b495a2a7a
(zlib): Correct incorrect inputs provided to the CRC
functions. MFC after: 3 days
This commit is contained in:
commit
c61bc1110c
@ -630,7 +630,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
|
||||
#endif /* DYNAMIC_CRC_TABLE */
|
||||
|
||||
/* Pre-condition the CRC */
|
||||
crc ^= 0xffffffff;
|
||||
crc = (~crc) & 0xffffffff;
|
||||
|
||||
/* Compute the CRC up to a word boundary. */
|
||||
while (len && ((z_size_t)buf & 7) != 0) {
|
||||
@ -749,7 +749,7 @@ unsigned long ZEXPORT crc32_z(crc, buf, len)
|
||||
#endif /* DYNAMIC_CRC_TABLE */
|
||||
|
||||
/* Pre-condition the CRC */
|
||||
crc ^= 0xffffffff;
|
||||
crc = (~crc) & 0xffffffff;
|
||||
|
||||
#ifdef W
|
||||
|
||||
@ -1077,7 +1077,7 @@ uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
|
||||
#ifdef DYNAMIC_CRC_TABLE
|
||||
once(&made, make_crc_table);
|
||||
#endif /* DYNAMIC_CRC_TABLE */
|
||||
return multmodp(x2nmodp(len2, 3), crc1) ^ crc2;
|
||||
return multmodp(x2nmodp(len2, 3), crc1) ^ (crc2 & 0xffffffff);
|
||||
}
|
||||
|
||||
/* ========================================================================= */
|
||||
@ -1112,5 +1112,5 @@ uLong crc32_combine_op(crc1, crc2, op)
|
||||
uLong crc2;
|
||||
uLong op;
|
||||
{
|
||||
return multmodp(op, crc1) ^ crc2;
|
||||
return multmodp(op, crc1) ^ (crc2 & 0xffffffff);
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user