From e9aa5950bb6ae7eab553e915402eddcb610565e4 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 12 Oct 2015 13:57:47 +0200
Subject: [PATCH] Fix compilation error in _PyBytesWriter_WriteBytes() on
 Windows

---
 Objects/bytesobject.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index 532051e2424..e7ab503047b 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -4042,9 +4042,11 @@ _PyBytesWriter_Finish(_PyBytesWriter *writer, void *str)
 }
 
 void*
-_PyBytesWriter_WriteBytes(_PyBytesWriter *writer, void *str,
+_PyBytesWriter_WriteBytes(_PyBytesWriter *writer, void *ptr,
                           const void *bytes, Py_ssize_t size)
 {
+    char *str = (char *)ptr;
+
     str = _PyBytesWriter_Prepare(writer, str, size);
     if (str == NULL)
         return NULL;