From 203c593b9681d98e7e05f3d8f862aa183f5d9c91 Mon Sep 17 00:00:00 2001
From: Adam Cozzette <acozzette@google.com>
Date: Mon, 10 Jan 2022 21:40:56 +0000
Subject: [PATCH] Fix build error with Python 3.10 build on Windows

The Windows build for Python 3.10 is giving us an error about ssize_t
being undefined, so this commit fixes the problem by replacing it with
Py_ssize_t, which is consistent with what we do elsewhere in the file.
---
 python/google/protobuf/pyext/unknown_fields.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/google/protobuf/pyext/unknown_fields.cc b/python/google/protobuf/pyext/unknown_fields.cc
index b9ca6ad3b0f31..6d919b361ad94 100644
--- a/python/google/protobuf/pyext/unknown_fields.cc
+++ b/python/google/protobuf/pyext/unknown_fields.cc
@@ -219,7 +219,7 @@ const UnknownField* GetUnknownField(PyUnknownFieldRef* self) {
                  "The parent message might be cleared.");
     return NULL;
   }
-  ssize_t total_size = fields->field_count();
+  Py_ssize_t total_size = fields->field_count();
   if (self->index >= total_size) {
     PyErr_Format(PyExc_ValueError,
                  "UnknownField does not exist. "