95 lines
4.6 KiB
C
95 lines
4.6 KiB
C
/****************************************************************************
|
|
* Copyright (c) 1998,2000 Free Software Foundation, Inc. *
|
|
* *
|
|
* Permission is hereby granted, free of charge, to any person obtaining a *
|
|
* copy of this software and associated documentation files (the *
|
|
* "Software"), to deal in the Software without restriction, including *
|
|
* without limitation the rights to use, copy, modify, merge, publish, *
|
|
* distribute, distribute with modifications, sublicense, and/or sell *
|
|
* copies of the Software, and to permit persons to whom the Software is *
|
|
* furnished to do so, subject to the following conditions: *
|
|
* *
|
|
* The above copyright notice and this permission notice shall be included *
|
|
* in all copies or substantial portions of the Software. *
|
|
* *
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
|
|
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
|
|
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
|
|
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
|
|
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
|
|
* *
|
|
* Except as contained in this notice, the name(s) of the above copyright *
|
|
* holders shall not be used in advertising or otherwise to promote the *
|
|
* sale, use or other dealings in this Software without prior written *
|
|
* authorization. *
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 *
|
|
****************************************************************************/
|
|
|
|
#include "form.priv.h"
|
|
|
|
MODULE_ID("$Id: fld_arg.c,v 1.5 2000/12/10 02:09:37 tom Exp $")
|
|
|
|
/*---------------------------------------------------------------------------
|
|
| Facility : libnform
|
|
| Function : int set_fieldtype_arg(
|
|
| FIELDTYPE *typ,
|
|
| void * (* const make_arg)(va_list *),
|
|
| void * (* const copy_arg)(const void *),
|
|
| void (* const free_arg)(void *) )
|
|
|
|
|
| Description : Connects to the type additional arguments necessary
|
|
| for a set_field_type call. The various function pointer
|
|
| arguments are:
|
|
| make_arg : allocates a structure for the field
|
|
| specific parameters.
|
|
| copy_arg : duplicate the structure created by
|
|
| make_arg
|
|
| free_arg : Release the memory allocated by make_arg
|
|
| or copy_arg
|
|
|
|
|
| At least make_arg must be non-NULL.
|
|
| You may pass NULL for copy_arg and free_arg if your
|
|
| make_arg function doesn't allocate memory and your
|
|
| arg fits into the storage for a (void*).
|
|
|
|
|
| Return Values : E_OK - success
|
|
| E_BAD_ARGUMENT - invalid argument
|
|
+--------------------------------------------------------------------------*/
|
|
NCURSES_EXPORT(int)
|
|
set_fieldtype_arg
|
|
(FIELDTYPE * typ,
|
|
void * (* const make_arg)(va_list *),
|
|
void * (* const copy_arg)(const void *),
|
|
void (* const free_arg)(void *))
|
|
{
|
|
if ( !typ || !make_arg )
|
|
RETURN(E_BAD_ARGUMENT);
|
|
|
|
typ->status |= _HAS_ARGS;
|
|
typ->makearg = make_arg;
|
|
typ->copyarg = copy_arg;
|
|
typ->freearg = free_arg;
|
|
RETURN(E_OK);
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------
|
|
| Facility : libnform
|
|
| Function : void *field_arg(const FIELD *field)
|
|
|
|
|
| Description : Retrieve pointer to the fields argument structure.
|
|
|
|
|
| Return Values : Pointer to structure or NULL if none is defined.
|
|
+--------------------------------------------------------------------------*/
|
|
NCURSES_EXPORT(void *)
|
|
field_arg (const FIELD * field)
|
|
{
|
|
return Normalize_Field(field)->arg;
|
|
}
|
|
|
|
/* fld_arg.c ends here */
|