10e3d5408SPeter Wemm /**************************************************************************** 2*aae38d10SBaptiste Daroussin * Copyright (c) 1998-2016,2018 Free Software Foundation, Inc. * 30e3d5408SPeter Wemm * * 40e3d5408SPeter Wemm * Permission is hereby granted, free of charge, to any person obtaining a * 50e3d5408SPeter Wemm * copy of this software and associated documentation files (the * 60e3d5408SPeter Wemm * "Software"), to deal in the Software without restriction, including * 70e3d5408SPeter Wemm * without limitation the rights to use, copy, modify, merge, publish, * 80e3d5408SPeter Wemm * distribute, distribute with modifications, sublicense, and/or sell * 90e3d5408SPeter Wemm * copies of the Software, and to permit persons to whom the Software is * 100e3d5408SPeter Wemm * furnished to do so, subject to the following conditions: * 110e3d5408SPeter Wemm * * 120e3d5408SPeter Wemm * The above copyright notice and this permission notice shall be included * 130e3d5408SPeter Wemm * in all copies or substantial portions of the Software. * 140e3d5408SPeter Wemm * * 150e3d5408SPeter Wemm * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 160e3d5408SPeter Wemm * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 170e3d5408SPeter Wemm * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 180e3d5408SPeter Wemm * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 190e3d5408SPeter Wemm * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 200e3d5408SPeter Wemm * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 210e3d5408SPeter Wemm * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 220e3d5408SPeter Wemm * * 230e3d5408SPeter Wemm * Except as contained in this notice, the name(s) of the above copyright * 240e3d5408SPeter Wemm * holders shall not be used in advertising or otherwise to promote the * 250e3d5408SPeter Wemm * sale, use or other dealings in this Software without prior written * 260e3d5408SPeter Wemm * authorization. * 270e3d5408SPeter Wemm ****************************************************************************/ 280e3d5408SPeter Wemm 290e3d5408SPeter Wemm /**************************************************************************** 304a1a9510SRong-En Fan * Author: Juergen Pfeifer, 1995,1997 * 310e3d5408SPeter Wemm ****************************************************************************/ 320e3d5408SPeter Wemm 330e3d5408SPeter Wemm #include "form.priv.h" 340e3d5408SPeter Wemm 35*aae38d10SBaptiste Daroussin MODULE_ID("$Id: fld_arg.c,v 1.15 2018/12/16 00:13:36 tom Exp $") 360e3d5408SPeter Wemm 370e3d5408SPeter Wemm /*--------------------------------------------------------------------------- 380e3d5408SPeter Wemm | Facility : libnform 390e3d5408SPeter Wemm | Function : int set_fieldtype_arg( 400e3d5408SPeter Wemm | FIELDTYPE *typ, 410e3d5408SPeter Wemm | void * (* const make_arg)(va_list *), 420e3d5408SPeter Wemm | void * (* const copy_arg)(const void *), 430e3d5408SPeter Wemm | void (* const free_arg)(void *) ) 440e3d5408SPeter Wemm | 450e3d5408SPeter Wemm | Description : Connects to the type additional arguments necessary 460e3d5408SPeter Wemm | for a set_field_type call. The various function pointer 470e3d5408SPeter Wemm | arguments are: 480e3d5408SPeter Wemm | make_arg : allocates a structure for the field 490e3d5408SPeter Wemm | specific parameters. 500e3d5408SPeter Wemm | copy_arg : duplicate the structure created by 510e3d5408SPeter Wemm | make_arg 520e3d5408SPeter Wemm | free_arg : Release the memory allocated by make_arg 530e3d5408SPeter Wemm | or copy_arg 540e3d5408SPeter Wemm | 550e3d5408SPeter Wemm | At least make_arg must be non-NULL. 560e3d5408SPeter Wemm | You may pass NULL for copy_arg and free_arg if your 570e3d5408SPeter Wemm | make_arg function doesn't allocate memory and your 580e3d5408SPeter Wemm | arg fits into the storage for a (void*). 590e3d5408SPeter Wemm | 600e3d5408SPeter Wemm | Return Values : E_OK - success 610e3d5408SPeter Wemm | E_BAD_ARGUMENT - invalid argument 620e3d5408SPeter Wemm +--------------------------------------------------------------------------*/ 637a69bbfbSPeter Wemm NCURSES_EXPORT(int) 644a1a9510SRong-En Fan set_fieldtype_arg(FIELDTYPE *typ, 650e3d5408SPeter Wemm void *(*const make_arg)(va_list *), 660e3d5408SPeter Wemm void *(*const copy_arg)(const void *), 670e3d5408SPeter Wemm void (*const free_arg) (void *)) 680e3d5408SPeter Wemm { 69*aae38d10SBaptiste Daroussin TR_FUNC_BFR(3); 70*aae38d10SBaptiste Daroussin 71*aae38d10SBaptiste Daroussin T((T_CALLED("set_fieldtype_arg(%p,%s,%s,%s)"), 72*aae38d10SBaptiste Daroussin (void *)typ, 73*aae38d10SBaptiste Daroussin TR_FUNC_ARG(0, make_arg), 74*aae38d10SBaptiste Daroussin TR_FUNC_ARG(1, copy_arg), 75*aae38d10SBaptiste Daroussin TR_FUNC_ARG(2, free_arg))); 760e3d5408SPeter Wemm 774a1a9510SRong-En Fan if (typ != 0 && make_arg != (void *)0) 784a1a9510SRong-En Fan { 7973f0a83dSXin LI SetStatus(typ, _HAS_ARGS); 800e3d5408SPeter Wemm typ->makearg = make_arg; 810e3d5408SPeter Wemm typ->copyarg = copy_arg; 820e3d5408SPeter Wemm typ->freearg = free_arg; 830e3d5408SPeter Wemm RETURN(E_OK); 840e3d5408SPeter Wemm } 854a1a9510SRong-En Fan RETURN(E_BAD_ARGUMENT); 864a1a9510SRong-En Fan } 870e3d5408SPeter Wemm 880e3d5408SPeter Wemm /*--------------------------------------------------------------------------- 890e3d5408SPeter Wemm | Facility : libnform 900e3d5408SPeter Wemm | Function : void *field_arg(const FIELD *field) 910e3d5408SPeter Wemm | 920e3d5408SPeter Wemm | Description : Retrieve pointer to the fields argument structure. 930e3d5408SPeter Wemm | 940e3d5408SPeter Wemm | Return Values : Pointer to structure or NULL if none is defined. 950e3d5408SPeter Wemm +--------------------------------------------------------------------------*/ 967a69bbfbSPeter Wemm NCURSES_EXPORT(void *) 977a69bbfbSPeter Wemm field_arg(const FIELD *field) 980e3d5408SPeter Wemm { 9906bfebdeSXin LI T((T_CALLED("field_arg(%p)"), (const void *)field)); 1004a1a9510SRong-En Fan returnVoidPtr(Normalize_Field(field)->arg); 1010e3d5408SPeter Wemm } 1020e3d5408SPeter Wemm 1030e3d5408SPeter Wemm /* fld_arg.c ends here */ 104