[pypy-commit] cffi default: Test and fix: don't allow 'void' as the type of a function argument.

[arigo]

Author: Armin Rigo <ar...@tunes.org>
Branch: 
Changeset: r872:b3678ddd1d27
Date: 2012-08-22 19:50 +0200
http://bitbucket.org/cffi/cffi/changeset/b3678ddd1d27/

Log:    Test and fix: don't allow 'void' as the type of a function argument.

diff --git a/c/_cffi_backend.c b/c/_cffi_backend.c
--- a/c/_cffi_backend.c
+++ b/c/_cffi_backend.c
@@ -3184,7 +3184,7 @@
     else if (ct->ct_flags & (CT_POINTER|CT_ARRAY|CT_FUNCTIONPTR)) {
         return &ffi_type_pointer;
     }
-    else if (ct->ct_flags & CT_VOID) {
+    else if ((ct->ct_flags & CT_VOID) && is_result_type) {
         return &ffi_type_void;
     }
 
diff --git a/c/test_c.py b/c/test_c.py
--- a/c/test_c.py
+++ b/c/test_c.py
@@ -773,6 +773,11 @@
     BFunc = new_function_type((BInt, BInt), BVoid, False)
     assert repr(BFunc) == "<ctype 'void(*)(int, int)'>"
 
+def test_function_void_arg():
+    BVoid = new_void_type()
+    BInt = new_primitive_type("int")
+    py.test.raises(TypeError, new_function_type, (BVoid,), BInt, False)
+
 def test_call_function_0():
     BSignedChar = new_primitive_type("signed char")
     BFunc0 = new_function_type((BSignedChar, BSignedChar), BSignedChar, False)
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