From: Amaury Forgeot d'Arc <amauryfa@gmail.com>
Date: Sun, 17 Oct 2010 08:34:22 +0000 (+0000)
Subject: Fix compilation warning in _ctypes module on Window
X-Git-Tag: v3.2a4~501
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=20f11fe43c47b68c8b9dd6539d2d40b66c9957f9;p=python

Fix compilation warning in _ctypes module on Window
---

diff --git a/Modules/_ctypes/libffi_msvc/ffi.c b/Modules/_ctypes/libffi_msvc/ffi.c
index 65581a773f..5df4ba4be5 100644
--- a/Modules/_ctypes/libffi_msvc/ffi.c
+++ b/Modules/_ctypes/libffi_msvc/ffi.c
@@ -110,7 +110,7 @@ void ffi_prep_args(char *stack, extended_cif *ecif)
       argp += z;
     }
 
-  if (argp - stack > ecif->cif->bytes) 
+  if (argp >= stack && (unsigned)(argp - stack) > ecif->cif->bytes) 
     {
       Py_FatalError("FFI BUG: not enough stack space for arguments");
     }