1991-02-19 13:39:46 +01:00
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/***********************************************************
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Copyright 1991 by Stichting Mathematisch Centrum, Amsterdam, The
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Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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1990-12-20 16:06:42 +01:00
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/* Interface to map C struct members to Python object attributes */
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/* The offsetof() macro calculates the offset of a structure member
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in its structure. Unfortunately this cannot be written down
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portably, hence it is provided by a Standard C header file.
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For pre-Standard C compilers, here is a version that usually works
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(but watch out!): */
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#ifndef offsetof
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#define offsetof(type, member) ( (int) & ((type*)0) -> member )
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#endif
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/* An array of memberlist structures defines the name, type and offset
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of selected members of a C structure. These can be read by
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getmember() and set by setmember() (except if their READONLY flag
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is set). The array must be terminated with an entry whose name
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pointer is NULL. */
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struct memberlist {
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char *name;
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int type;
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int offset;
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int readonly;
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};
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/* Types */
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#define T_SHORT 0
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#define T_INT 1
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#define T_LONG 2
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#define T_FLOAT 3
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#define T_DOUBLE 4
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#define T_STRING 5
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#define T_OBJECT 6
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/* Readonly flag */
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#define READONLY 1
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#define RO READONLY /* Shorthand */
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object *getmember PROTO((char *, struct memberlist *, char *));
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int setmember PROTO((char *, struct memberlist *, char *, object *));
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