Fix compilation warning in _ctypes module on Window

20f11fe4 · Amaury Forgeot d'Arc · c9139893 · 20f11fe4
Commit 20f11fe4 authored Oct 17, 2010 by Amaury Forgeot d'Arc
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Modules/_ctypes/libffi_msvc/ffi.c Modules/_ctypes/libffi_msvc/ffi.c +1 -1

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--- 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");
    }