ref: cac853084c058bdcbed738bf2af73bb4c6c4719f
dir: /sys/src/cmd/python/Include/structmember.h/
#ifndef Py_STRUCTMEMBER_H
#define Py_STRUCTMEMBER_H
#ifdef __cplusplus
extern "C" {
#endif
/* Interface to map C struct members to Python object attributes */
#include <stddef.h> /* For offsetof */
/* The offsetof() macro calculates the offset of a structure member
in its structure. Unfortunately this cannot be written down
portably, hence it is provided by a Standard C header file.
For pre-Standard C compilers, here is a version that usually works
(but watch out!): */
#ifndef offsetof
#define offsetof(type, member) ( (int) & ((type*)0) -> member )
#endif
/* An array of memberlist structures defines the name, type and offset
of selected members of a C structure. These can be read by
PyMember_Get() and set by PyMember_Set() (except if their READONLY flag
is set). The array must be terminated with an entry whose name
pointer is NULL. */
struct memberlist {
/* Obsolete version, for binary backwards compatibility */
char *name;
int type;
int offset;
int flags;
};
typedef struct PyMemberDef {
/* Current version, use this */
char *name;
int type;
Py_ssize_t offset;
int flags;
char *doc;
} PyMemberDef;
/* Types */
#define T_SHORT 0
#define T_INT 1
#define T_LONG 2
#define T_FLOAT 3
#define T_DOUBLE 4
#define T_STRING 5
#define T_OBJECT 6
/* XXX the ordering here is weird for binary compatibility */
#define T_CHAR 7 /* 1-character string */
#define T_BYTE 8 /* 8-bit signed int */
/* unsigned variants: */
#define T_UBYTE 9
#define T_USHORT 10
#define T_UINT 11
#define T_ULONG 12
/* Added by Jack: strings contained in the structure */
#define T_STRING_INPLACE 13
#define T_OBJECT_EX 16 /* Like T_OBJECT, but raises AttributeError
when the value is NULL, instead of
converting to None. */
#ifdef HAVE_LONG_LONG
#define T_LONGLONG 17
#define T_ULONGLONG 18
#endif /* HAVE_LONG_LONG */
/* Flags */
#define READONLY 1
#define RO READONLY /* Shorthand */
#define READ_RESTRICTED 2
#define WRITE_RESTRICTED 4
#define RESTRICTED (READ_RESTRICTED | WRITE_RESTRICTED)
/* Obsolete API, for binary backwards compatibility */
PyAPI_FUNC(PyObject *) PyMember_Get(const char *, struct memberlist *, const char *);
PyAPI_FUNC(int) PyMember_Set(char *, struct memberlist *, const char *, PyObject *);
/* Current API, use this */
PyAPI_FUNC(PyObject *) PyMember_GetOne(const char *, struct PyMemberDef *);
PyAPI_FUNC(int) PyMember_SetOne(char *, struct PyMemberDef *, PyObject *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_STRUCTMEMBER_H */