1 /****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997 *
31 ****************************************************************************/
33 /***************************************************************************
34 * Module frm_adabind.c *
35 * Helper routines to ease the implementation of an Ada95 binding to *
36 * ncurses. For details and copyright of the binding see the ../Ada95 *
38 ***************************************************************************/
39 #include "form.priv.h"
41 MODULE_ID("$Id: frm_adabind.c,v 1.5 1998/02/11 12:13:43 tom Exp $")
43 /* Prototypes for the functions in this module */
44 void _nc_ada_normalize_field_opts (int *opt);
45 void _nc_ada_normalize_form_opts (int *opt);
46 void* _nc_ada_getvarg(va_list *);
47 FIELD* _nc_get_field(const FORM*, int);
50 void _nc_ada_normalize_field_opts (int *opt)
52 *opt = ALL_FIELD_OPTS & (*opt);
55 void _nc_ada_normalize_form_opts (int *opt)
57 *opt = ALL_FORM_OPTS & (*opt);
61 /* This tiny stub helps us to get a void pointer from an argument list.
62 // The mechanism for libform to handle arguments to field types uses
63 // unfortunately functions with variable argument lists. In the Ada95
64 // binding we replace this by a mechanism that only uses one argument
65 // that is a pointer to a record describing all the specifics of an
66 // user defined field type. So we need only this simple generic
67 // procedure to get the pointer from the arglist.
69 void *_nc_ada_getvarg(va_list *ap)
71 return va_arg(*ap,void*);
74 FIELD* _nc_get_field(const FORM* frm, int idx) {
75 if (frm && frm->field && idx>=0 && (idx<frm->maxfield))
77 return frm->field[idx];