| Guido van Rossum | a330996 | 1993-07-28 09:05:47 +0000 | [diff] [blame] | 1 | #ifndef Py_STRUCTMEMBER_H | 
 | 2 | #define Py_STRUCTMEMBER_H | 
 | 3 | #ifdef __cplusplus | 
 | 4 | extern "C" { | 
 | 5 | #endif | 
 | 6 |  | 
| Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 7 | /*********************************************************** | 
| Guido van Rossum | 5799b52 | 1995-01-04 19:06:22 +0000 | [diff] [blame] | 8 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, | 
 | 9 | The Netherlands. | 
| Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 10 |  | 
 | 11 |                         All Rights Reserved | 
 | 12 |  | 
 | 13 | Permission to use, copy, modify, and distribute this software and its  | 
 | 14 | documentation for any purpose and without fee is hereby granted,  | 
 | 15 | provided that the above copyright notice appear in all copies and that | 
 | 16 | both that copyright notice and this permission notice appear in  | 
 | 17 | supporting documentation, and that the names of Stichting Mathematisch | 
 | 18 | Centrum or CWI not be used in advertising or publicity pertaining to | 
 | 19 | distribution of the software without specific, written prior permission. | 
 | 20 |  | 
 | 21 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO | 
 | 22 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND | 
 | 23 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE | 
 | 24 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
 | 25 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | 
 | 26 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT | 
 | 27 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
 | 28 |  | 
 | 29 | ******************************************************************/ | 
 | 30 |  | 
| Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 31 | /* Interface to map C struct members to Python object attributes */ | 
 | 32 |  | 
| Guido van Rossum | 5ebc0ca | 1994-10-20 22:03:08 +0000 | [diff] [blame] | 33 | #ifdef HAVE_STDDEF_H | 
 | 34 | #include <stddef.h> /* For offsetof */ | 
 | 35 | #endif | 
 | 36 |  | 
| Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 37 | /* The offsetof() macro calculates the offset of a structure member | 
 | 38 |    in its structure.  Unfortunately this cannot be written down | 
 | 39 |    portably, hence it is provided by a Standard C header file. | 
 | 40 |    For pre-Standard C compilers, here is a version that usually works | 
 | 41 |    (but watch out!): */ | 
 | 42 |  | 
 | 43 | #ifndef offsetof | 
 | 44 | #define offsetof(type, member) ( (int) & ((type*)0) -> member ) | 
 | 45 | #endif | 
 | 46 |  | 
 | 47 | /* An array of memberlist structures defines the name, type and offset | 
 | 48 |    of selected members of a C structure.  These can be read by | 
| Guido van Rossum | caa6380 | 1995-01-12 11:45:45 +0000 | [diff] [blame] | 49 |    PyMember_Get() and set by PyMember_Set() (except if their READONLY flag | 
| Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 50 |    is set).  The array must be terminated with an entry whose name | 
 | 51 |    pointer is NULL. */ | 
 | 52 |  | 
 | 53 | struct memberlist { | 
 | 54 | 	char *name; | 
 | 55 | 	int type; | 
 | 56 | 	int offset; | 
 | 57 | 	int readonly; | 
 | 58 | }; | 
 | 59 |  | 
 | 60 | /* Types */ | 
 | 61 | #define T_SHORT		0 | 
 | 62 | #define T_INT		1 | 
 | 63 | #define T_LONG		2 | 
 | 64 | #define T_FLOAT		3 | 
 | 65 | #define T_DOUBLE	4 | 
 | 66 | #define T_STRING	5 | 
 | 67 | #define T_OBJECT	6 | 
| Guido van Rossum | 0002395 | 1992-06-03 17:07:40 +0000 | [diff] [blame] | 68 | /* XXX the ordering here is weird for binary compatibility */ | 
 | 69 | #define T_CHAR		7	/* 1-character string */ | 
 | 70 | #define T_BYTE		8	/* 8-bit signed int */ | 
 | 71 | /* unsigned variants: */ | 
 | 72 | #define T_UBYTE		9 | 
 | 73 | #define T_USHORT	10 | 
 | 74 | #define T_UINT		11 | 
 | 75 | #define T_ULONG		12 | 
| Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 76 |  | 
| Jack Jansen | 599f0d1 | 1994-12-14 13:04:05 +0000 | [diff] [blame] | 77 | /* Added by Jack: strings contained in the structure */ | 
 | 78 | #define T_STRING_INPLACE	13 | 
 | 79 | #ifdef macintosh | 
 | 80 | #define T_PSTRING	14	/* macintosh pascal-style counted string */ | 
 | 81 | #define T_PSTRING_INPLACE	15 | 
 | 82 | #endif /* macintosh */ | 
 | 83 |  | 
| Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 84 | /* Readonly flag */ | 
 | 85 | #define READONLY	1 | 
 | 86 | #define RO		READONLY		/* Shorthand */ | 
 | 87 |  | 
| Guido van Rossum | caa6380 | 1995-01-12 11:45:45 +0000 | [diff] [blame] | 88 | PyObject *PyMember_Get Py_PROTO((char *, struct memberlist *, char *)); | 
 | 89 | int PyMember_Set Py_PROTO((char *, struct memberlist *, char *, PyObject *)); | 
| Guido van Rossum | a330996 | 1993-07-28 09:05:47 +0000 | [diff] [blame] | 90 |  | 
 | 91 | #ifdef __cplusplus | 
 | 92 | } | 
 | 93 | #endif | 
 | 94 | #endif /* !Py_STRUCTMEMBER_H */ |