a few patches

Author: ZeroIntensity

pyproject.toml

@@ -23,7 +23,7 @@ classifiers = [
 dependencies = [
     "typing_extensions",
 ]
-version = "2.2.0"
+version = "2.3.0-alpha"
 
 [project.urls]
 Documentation = "https://pointers.zintensity.dev"

setup.py

@@ -6,7 +6,7 @@
 if __name__ == "__main__":
     setup(
         name="pointers.py",
-        version="2.2.0",
+        version="2.3.0-alpha",
         packages=["pointers"],
         license="MIT",
         project_urls={

src/mod.c

@@ -14,10 +14,6 @@
 #include <stdio.h>
 #include <frameobject.h> // needed to get members of PyFrameObject
 #define GETOBJ PyObject* obj; if (!PyArg_ParseTuple(args, "O", &obj)) return NULL
-#define INIT_HANDLER(sig, handle, msg) if (signal(sig, handle) == SIG_ERR) { \
-        PyErr_SetString(PyExc_ImportError, msg); \
-        return NULL; \
-    }
 
 static jmp_buf buf;
 

src/pointers/bindings.py

@@ -21,14 +21,14 @@
 from .exceptions import InvalidBindingParameter
 from .std_structs import STRUCT_MAP, DivT, Lconv, LDivT, Tm
 from .structure import StructPointer
-from .util import handle
+from .util import NULL, Nullable, handle
 
 if TYPE_CHECKING:
     from .structure import Struct
 
 T = TypeVar("T")
 
-PointerLike = Optional[Union[TypedCPointer[T], VoidPointer]]
+PointerLike = Nullable[Optional[Union[TypedCPointer[T], VoidPointer]]]
 StringLike = Optional[Union[str, bytes, VoidPointer, TypedCPointer[bytes]]]
 Format = Union[StringLike, PointerLike]
 TypedPtr = Optional[PointerLike[T]]
@@ -276,7 +276,11 @@ def _process_args(
         if not (isinstance if not is_type else issubclass)(value, n_type):
             v_type = type(value) if not is_type else value
 
-            if (n_type is BasePointer) and (value is None):
+            if (n_type in {
+                BasePointer,
+                BaseCPointer,
+                StructPointer
+            }) and (value is None):
                 continue
 
             if (n_type is FunctionType) and is_c_func:
@@ -334,19 +338,21 @@ def wrapper(*args):
 @handle
 def binding_base(
     fn: "ctypes._NamedFuncPointer",
-    *args,
+    *simple_args,
     map_extra: Optional[StructMap] = None,
 ) -> Any:
     smap = {**STRUCT_MAP, **(map_extra or {})}
 
+    args = [i if i is not NULL else None for i in simple_args]
+
     validator_args = [
         arg
         if (
             (not isinstance(arg, FunctionType))
             and (not isinstance(arg, PyCFuncPtrType))
         )
         else _solve_func(
-            arg,
+            arg,  # type: ignore
             typ,  # type: ignore
             smap,
         )

src/pointers/util.py

@@ -34,7 +34,10 @@
 
 
 class NULL:
-    """Unique object representing a NULL address."""
+    """Unique object representing a NULL address.
+
+    May be used with object pointers or passed to bindings.
+    """
 
 
 Nullable = Union[T, Type[NULL]]