1 /****************************************************************************
2 * Copyright 2020 Thomas E. Dickey *
3 * Copyright 1998-2005,2012 Free Software Foundation, Inc. *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
28 ****************************************************************************/
30 /****************************************************************************
31 * Author: Juergen Pfeifer, 1995,1997 *
32 ****************************************************************************/
34 /* $Id: mf_common.h,v 0.25 2020/02/02 23:34:34 tom Exp $ */
36 /* Common internal header for menu and form library */
38 #ifndef MF_COMMON_H_incl
39 #define MF_COMMON_H_incl 1
41 #include <ncurses_cfg.h>
45 #include <sys/types.h>
55 /* in case of debug version we ignore the suppression of assertions */
65 #define MODULE_ID(id) static const char Ident[] = id;
67 #define MODULE_ID(id) /*nothing */
70 /* Maximum regular 8-bit character code */
71 #define MAX_REGULAR_CHARACTER (0xff)
73 #define SET_ERROR(code) (errno=(code))
74 #define GET_ERROR() (errno)
77 #define RETURN(code) returnCode( SET_ERROR(code) )
79 #define RETURN(code) return( SET_ERROR(code) )
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 */
86 #define SetStatus(target,mask) (target)->status |= (unsigned short) (mask)
87 #define ClrStatus(target,mask) (target)->status = (unsigned short) (target->status & (~mask))
89 /* Call object hook */
90 #define Call_Hook( object, handler ) \
91 if ( (object) != 0 && ((object)->handler) != (void *) 0 )\
93 SetStatus(object, _IN_DRIVER);\
94 (object)->handler(object);\
95 ClrStatus(object, _IN_DRIVER);\
98 #endif /* MF_COMMON_H_incl */