diff options
Diffstat (limited to 'Modules/binascii.c')
| -rw-r--r-- | Modules/binascii.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Modules/binascii.c b/Modules/binascii.c index b90905f413..b65bdab786 100644 --- a/Modules/binascii.c +++ b/Modules/binascii.c @@ -784,13 +784,15 @@ PyDoc_STRVAR(doc_crc32, static PyObject * binascii_crc32(PyObject *self, PyObject *args) { - uLong crc32val = 0; /* crc32(0L, Z_NULL, 0) */ + unsigned int crc32val = 0; /* crc32(0L, Z_NULL, 0) */ Byte *buf; Py_ssize_t len; + int signed_val; + if (!PyArg_ParseTuple(args, "s#|I:crc32", &buf, &len, &crc32val)) return NULL; - crc32val = crc32(crc32val, buf, len); - return PyLong_FromUnsignedLong(crc32val & 0xffffffffU); + signed_val = crc32(crc32val, buf, len); + return PyLong_FromUnsignedLong(signed_val & 0xffffffffU); } #else /* USE_ZLIB_CRC32 */ /* Crc - 32 BIT ANSI X3.66 CRC checksum files |