Author: Armin Rigo <[email protected]>
Branch:
Changeset: r78249:e8bd7b84971b
Date: 2015-06-23 09:28 +0200
http://bitbucket.org/pypy/pypy/changeset/e8bd7b84971b/
Log: Test and fix: ffi.addressof(lib, 'func-with-struct-args') would
return a badly typed cdata object
diff --git a/pypy/module/_cffi_backend/lib_obj.py
b/pypy/module/_cffi_backend/lib_obj.py
--- a/pypy/module/_cffi_backend/lib_obj.py
+++ b/pypy/module/_cffi_backend/lib_obj.py
@@ -237,7 +237,7 @@
if isinstance(w_value, W_FunctionWrapper):
# '&func' returns a regular cdata pointer-to-function
if w_value.directfnptr:
- ctype = w_value.rawfunctype.nostruct_ctype
+ ctype = w_value.typeof(self.ffi)
return W_CData(space, w_value.directfnptr, ctype)
else:
return w_value # backward compatibility
diff --git a/pypy/module/_cffi_backend/test/test_recompiler.py
b/pypy/module/_cffi_backend/test/test_recompiler.py
--- a/pypy/module/_cffi_backend/test/test_recompiler.py
+++ b/pypy/module/_cffi_backend/test/test_recompiler.py
@@ -828,6 +828,22 @@
assert isinstance(addr, ffi.CData)
assert ffi.typeof(addr) == ffi.typeof("long(*)(long)")
+ def test_address_of_function_with_struct(self):
+ ffi, lib = self.prepare(
+ "struct foo_s { int x; }; long myfunc(struct foo_s);",
+ "test_addressof_function_with_struct", """
+ struct foo_s { int x; };
+ char myfunc(struct foo_s input) { return (char)(input.x + 42);
}
+ """)
+ s = ffi.new("struct foo_s *", [5])[0]
+ assert lib.myfunc(s) == 47
+ assert not isinstance(lib.myfunc, ffi.CData)
+ assert ffi.typeof(lib.myfunc) == ffi.typeof("long(*)(struct foo_s)")
+ addr = ffi.addressof(lib, 'myfunc')
+ assert addr(s) == 47
+ assert isinstance(addr, ffi.CData)
+ assert ffi.typeof(addr) == ffi.typeof("long(*)(struct foo_s)")
+
def test_issue198(self):
ffi, lib = self.prepare("""
typedef struct{...;} opaque_t;
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