X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib-python/blobdiff_plain/5b1830f325c55c70d65fd020f08dd958493e528d..a19eaede18c9176b382df01e4f6c6e5c04a87d0f:/unihash.pyx

diff --git a/unihash.pyx b/unihash.pyx
index 5b58d78..de6f3d4 100644
--- a/unihash.pyx
+++ b/unihash.pyx
@@ -51,8 +51,8 @@ cdef class Unihash:
     me._a = UNIHASH_INIT(me._i)
   def chunk(me, data):
     cdef void *p
-    cdef int n
-    PyObject_AsReadBuffer(data, &p, &n)
+    cdef Py_ssize_t n
+    PyObject_AsReadBuffer(data, <cvp *>&p, &n)
     me._a = unihash_hash(me._i, me._a, p, n)
   def done(me):
     return _u32(me._a)