xref: /freebsd/contrib/ncurses/menu/mf_common.h (revision 18259542)

/****************************************************************************
 * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
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 * "Software"), to deal in the Software without restriction, including      *
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 * copies of the Software, and to permit persons to whom the Software is    *
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/****************************************************************************
 *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
 ****************************************************************************/

/* Common internal header for menu and form library */

#if HAVE_CONFIG_H
#  include <ncurses_cfg.h>
#endif

#include <stdlib.h>
#include <sys/types.h>
#include <assert.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>

#if DECL_ERRNO
extern int errno;
#endif

/* in case of debug version we ignore the suppression of assertions */
#ifdef TRACE
#  ifdef NDEBUG
#    undef NDEBUG
#  endif
#endif

#include <nc_alloc.h>

#if USE_RCS_IDS
#define MODULE_ID(id) static const char Ident[] = id;
#else
#define MODULE_ID(id) /*nothing*/
#endif


/* Maximum regular 8-bit character code */
#define MAX_REGULAR_CHARACTER (0xff)

#define SET_ERROR(code) (errno=(code))
#define GET_ERROR() (errno)
#define RETURN(code) return( SET_ERROR(code) )

/* The few common values in the status fields for menus and forms */
#define _POSTED         (0x01)  /* menu or form is posted                  */
#define _IN_DRIVER      (0x02)  /* menu or form is processing hook routine */

/* Call object hook */
#define Call_Hook( object, handler ) \
   if ( (object) && ((object)->handler) )\
   {\
	(object)->status |= _IN_DRIVER;\
	(object)->handler(object);\
	(object)->status &= ~_IN_DRIVER;\
   }

#define INLINE

#ifndef TRACE
#  if CC_HAS_INLINE_FUNCS
#    undef INLINE
#    define INLINE inline
#  endif
#endif