1/****************************************************************************
2 * Copyright (c) 1998-2003,2004 Free Software Foundation, Inc.              *
3 *                                                                          *
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9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
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.   *
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22 *                                                                          *
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27 ****************************************************************************/
28
29/****************************************************************************
30 *   Author:  Juergen Pfeifer, 1995,1997                                    *
31 ****************************************************************************/
32
33/* $Id: mf_common.h,v 0.22 2005/11/26 15:26:52 tom Exp $ */
34
35/* Common internal header for menu and form library */
36
37#ifndef MF_COMMON_H_incl
38#define MF_COMMON_H_incl 1
39
40#include <ncurses_cfg.h>
41#include <curses.h>
42
43#include <stdlib.h>
44#include <sys/types.h>
45#include <assert.h>
46#include <string.h>
47#include <ctype.h>
48#include <errno.h>
49
50#if DECL_ERRNO
51extern int errno;
52#endif
53
54/* in case of debug version we ignore the suppression of assertions */
55#ifdef TRACE
56#  ifdef NDEBUG
57#    undef NDEBUG
58#  endif
59#endif
60
61#include <nc_alloc.h>
62
63#if USE_RCS_IDS
64#define MODULE_ID(id) static const char Ident[] = id;
65#else
66#define MODULE_ID(id) /*nothing*/
67#endif
68
69
70/* Maximum regular 8-bit character code */
71#define MAX_REGULAR_CHARACTER (0xff)
72
73#define SET_ERROR(code) (errno=(code))
74#define GET_ERROR()     (errno)
75
76#ifdef TRACE
77#define RETURN(code)    returnCode( SET_ERROR(code) )
78#else
79#define RETURN(code)    return( SET_ERROR(code) )
80#endif
81
82/* The few common values in the status fields for menus and forms */
83#define _POSTED         (0x01U)  /* menu or form is posted                  */
84#define _IN_DRIVER      (0x02U)  /* menu or form is processing hook routine */
85
86/* Call object hook */
87#define Call_Hook( object, handler ) \
88   if ( (object) != 0 && ((object)->handler) != (void *) 0 )\
89   {\
90	(object)->status |= _IN_DRIVER;\
91	(object)->handler(object);\
92	(object)->status &= ~_IN_DRIVER;\
93   }
94
95#endif /* MF_COMMON_H_incl */
96