Source

cpython-withatomic / Include / structmember.h

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#ifndef Py_STRUCTMEMBER_H
#define Py_STRUCTMEMBER_H
#ifdef __cplusplus
extern "C" {
#endif

/***********************************************************
Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
The Netherlands.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the names of Stichting Mathematisch
Centrum or CWI not be used in advertising or publicity pertaining to
distribution of the software without specific, written prior permission.

STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

******************************************************************/

/* Interface to map C struct members to Python object attributes */

#ifdef HAVE_STDDEF_H
#include <stddef.h> /* For offsetof */
#endif

/* 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 {
	char *name;
	int type;
	int offset;
	int readonly;
};

/* 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
#ifdef macintosh
#define T_PSTRING	14	/* macintosh pascal-style counted string */
#define T_PSTRING_INPLACE	15
#endif /* macintosh */

/* Readonly flag */
#define READONLY	1
#define RO		READONLY		/* Shorthand */

PyObject *PyMember_Get Py_PROTO((char *, struct memberlist *, char *));
int PyMember_Set Py_PROTO((char *, struct memberlist *, char *, PyObject *));

#ifdef __cplusplus
}
#endif
#endif /* !Py_STRUCTMEMBER_H */
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