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1/* $OpenBSD: mf_common.h,v 1.8 2023/10/17 09:52:10 nicm Exp $ */
2
3/****************************************************************************
4 * Copyright 2020 Thomas E. Dickey *
5 * Copyright 1998-2005,2012 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32/****************************************************************************
33 * Author: Juergen Pfeifer, 1995,1997 *
34 ****************************************************************************/
35
36/* $Id: mf_common.h,v 1.8 2023/10/17 09:52:10 nicm Exp $ */
37
38/* Common internal header for menu and form library */
39
40#ifndef MF_COMMON_H_incl
41#define MF_COMMON_H_incl 1
42
43#include <ncurses_cfg.h>
44#include <curses.h>
45
46#include <stdlib.h>
47#include <sys/types.h>
48#include <assert.h>
49#include <string.h>
50#include <ctype.h>
51#include <errno.h>
52
53#if DECL_ERRNO
54extern int errno;
55#endif
56
57/* in case of debug version we ignore the suppression of assertions */
58#ifdef TRACE
59# ifdef NDEBUG
60# undef NDEBUG
61# endif
62#endif
63
64#include <nc_alloc.h>
65
66#if USE_RCS_IDS
67#define MODULE_ID(id) static const char Ident[] = id;
68#else
69#define MODULE_ID(id) /*nothing */
70#endif
71
72/* Maximum regular 8-bit character code */
73#define MAX_REGULAR_CHARACTER (0xff)
74
75#define SET_ERROR(code) (errno=(code))
76#define GET_ERROR() (errno)
77
78#ifdef TRACE
79#define RETURN(code) returnCode( SET_ERROR(code) )
80#else
81#define RETURN(code) return( SET_ERROR(code) )
82#endif
83
84/* The few common values in the status fields for menus and forms */
85#define _POSTED (0x01U) /* menu or form is posted */
86#define _IN_DRIVER (0x02U) /* menu or form is processing hook routine */
87
88#define SetStatus(target,mask) (target)->status |= (unsigned short) (mask)
89#define ClrStatus(target,mask) (target)->status = (unsigned short) (target->status & (~mask))
90
91/* Call object hook */
92#define Call_Hook( object, handler ) \
93 if ( (object) != 0 && ((object)->handler) != (void *) 0 )\
94 {\
95 SetStatus(object, _IN_DRIVER);\
96 (object)->handler(object);\
97 ClrStatus(object, _IN_DRIVER);\
98 }
99
100#endif /* MF_COMMON_H_incl */