1 files changed, 78 insertions, 0 deletions
diff --git a/psycopg_c/psycopg_c/pq.pxd b/psycopg_c/psycopg_c/pq.pxd
new file mode 100644
index 0000000..57825dd
--- /dev/null
+++ b/psycopg_c/psycopg_c/pq.pxd
@@ -0,0 +1,78 @@
+# Include pid_t but Windows doesn't have it
+# Don't use "IF" so that the generated C is portable and can be included
+# in the sdist.
+cdef extern from * nogil:
+    """
+#if defined(_WIN32) || defined(WIN32) || defined(MS_WINDOWS)
+    typedef signed pid_t;
+#else
+    #include <fcntl.h>
+#endif
+    """
+    ctypedef signed pid_t
+
+from psycopg_c.pq cimport libpq
+
+ctypedef char *(*conn_bytes_f) (const libpq.PGconn *)
+ctypedef int(*conn_int_f) (const libpq.PGconn *)
+
+
+cdef class PGconn:
+    cdef libpq.PGconn* _pgconn_ptr
+    cdef object __weakref__
+    cdef public object notice_handler
+    cdef public object notify_handler
+    cdef pid_t _procpid
+
+    @staticmethod
+    cdef PGconn _from_ptr(libpq.PGconn *ptr)
+
+    cpdef int flush(self) except -1
+    cpdef object notifies(self)
+
+
+cdef class PGresult:
+    cdef libpq.PGresult* _pgresult_ptr
+
+    @staticmethod
+    cdef PGresult _from_ptr(libpq.PGresult *ptr)
+
+
+cdef class PGcancel:
+    cdef libpq.PGcancel* pgcancel_ptr
+
+    @staticmethod
+    cdef PGcancel _from_ptr(libpq.PGcancel *ptr)
+
+
+cdef class Escaping:
+    cdef PGconn conn
+
+    cpdef escape_literal(self, data)
+    cpdef escape_identifier(self, data)
+    cpdef escape_string(self, data)
+    cpdef escape_bytea(self, data)
+    cpdef unescape_bytea(self, const unsigned char *data)
+
+
+cdef class PQBuffer:
+    cdef unsigned char *buf
+    cdef Py_ssize_t len
+
+    @staticmethod
+    cdef PQBuffer _from_buffer(unsigned char *buf, Py_ssize_t length)
+
+
+cdef class ViewBuffer:
+    cdef unsigned char *buf
+    cdef Py_ssize_t len
+    cdef object obj
+
+    @staticmethod
+    cdef ViewBuffer _from_buffer(
+        object obj, unsigned char *buf, Py_ssize_t length)
+
+
+cdef int _buffer_as_string_and_size(
+    data: "Buffer", char **ptr, Py_ssize_t *length
+) except -1