From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 24 Jun 2013 21:02:51 +0000 (+0200)
Subject: Issue #9566: zlib: Explicit cast to unsigned int to fix a compiler warning on Windows x64
X-Git-Tag: v3.4.0a1~401
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bc8ccce7298df728b2d81bd9c3bb9c8e236b882b;p=python

Issue #9566: zlib: Explicit cast to unsigned int to fix a compiler warning on Windows x64
---

diff --git a/Modules/zlibmodule.c b/Modules/zlibmodule.c
index 0b0d88722b..8100cbf278 100644
--- a/Modules/zlibmodule.c
+++ b/Modules/zlibmodule.c
@@ -1094,10 +1094,10 @@ PyZlib_adler32(PyObject *self, PyObject *args)
             buf += (size_t) UINT_MAX;
             len -= (size_t) UINT_MAX;
         }
-        adler32val = adler32(adler32val, buf, len);
+        adler32val = adler32(adler32val, buf, (unsigned int)len);
         Py_END_ALLOW_THREADS
     } else {
-        adler32val = adler32(adler32val, pbuf.buf, pbuf.len);
+        adler32val = adler32(adler32val, pbuf.buf, (unsigned int)pbuf.len);
     }
     PyBuffer_Release(&pbuf);
     return PyLong_FromUnsignedLong(adler32val & 0xffffffffU);
@@ -1132,10 +1132,10 @@ PyZlib_crc32(PyObject *self, PyObject *args)
             buf += (size_t) UINT_MAX;
             len -= (size_t) UINT_MAX;
         }
-        signed_val = crc32(crc32val, buf, len);
+        signed_val = crc32(crc32val, buf, (unsigned int)len);
         Py_END_ALLOW_THREADS
     } else {
-        signed_val = crc32(crc32val, pbuf.buf, pbuf.len);
+        signed_val = crc32(crc32val, pbuf.buf, (unsigned int)pbuf.len);
     }
     PyBuffer_Release(&pbuf);
     return PyLong_FromUnsignedLong(signed_val & 0xffffffffU);