Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r392:afc6e0b7234b
Date: 2012-06-16 11:35 +0200
http://bitbucket.org/cffi/cffi/changeset/afc6e0b7234b/
Log: Test and fix.
diff --git a/cffi/backend_ctypes.py b/cffi/backend_ctypes.py
--- a/cffi/backend_ctypes.py
+++ b/cffi/backend_ctypes.py
@@ -647,7 +647,7 @@
#
class CTypesFunction(CTypesGenericPtr):
__slots__ = ['_own_callback', '_name']
- _ctype = ctypes.CFUNCTYPE(BResult._ctype,
+ _ctype = ctypes.CFUNCTYPE(getattr(BResult, '_ctype', None),
*[BArg._ctype for BArg in BArgs],
use_errno=True)
_reftypename = BResult._get_c_name('(* &)(%s)' % (nameargs,))
diff --git a/testing/test_function.py b/testing/test_function.py
--- a/testing/test_function.py
+++ b/testing/test_function.py
@@ -53,6 +53,16 @@
assert x != math.sin(1.23) # rounding effects
assert abs(x - math.sin(1.23)) < 1E-6
+ def test_sin_no_return_value(self):
+ # check that 'void'-returning functions work too
+ ffi = FFI(backend=self.Backend())
+ ffi.cdef("""
+ void sin(double x);
+ """)
+ m = ffi.dlopen("m")
+ x = m.sin(1.23)
+ assert x is None
+
def test_tlsalloc(self):
if sys.platform != 'win32':
py.test.skip("win32 only")
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