From: Thomas Heller <theller@ctypes.org>
Date: Fri, 4 May 2007 08:20:41 +0000 (+0000)
Subject: On 64-bit Windows, ffi_arg must be 8 bytes long.  This fixes the
X-Git-Tag: v2.6a1~1773
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=db3bfdf141b78c616c256d3f3dd217bec0ea9371;p=python

On 64-bit Windows, ffi_arg must be 8 bytes long.  This fixes the
remaining crashes in the ctypes tests, when functions return float or
double types.
---

diff --git a/Modules/_ctypes/libffi_msvc/ffitarget.h b/Modules/_ctypes/libffi_msvc/ffitarget.h
index 0da79d4c1a..85f5ee81bb 100644
--- a/Modules/_ctypes/libffi_msvc/ffitarget.h
+++ b/Modules/_ctypes/libffi_msvc/ffitarget.h
@@ -36,7 +36,11 @@
 /* ---- Generic type definitions ----------------------------------------- */
 
 #ifndef LIBFFI_ASM
+#ifndef _WIN64
 typedef unsigned long          ffi_arg;
+#else
+typedef unsigned __int64       ffi_arg;
+#endif
 typedef signed long            ffi_sarg;
 
 typedef enum ffi_abi {