150276Speter/**************************************************************************** 2262685Sdelphij * Copyright (c) 1998-2010,2012 Free Software Foundation, Inc. * 350276Speter * * 450276Speter * Permission is hereby granted, free of charge, to any person obtaining a * 550276Speter * copy of this software and associated documentation files (the * 650276Speter * "Software"), to deal in the Software without restriction, including * 750276Speter * without limitation the rights to use, copy, modify, merge, publish, * 850276Speter * distribute, distribute with modifications, sublicense, and/or sell * 950276Speter * copies of the Software, and to permit persons to whom the Software is * 1050276Speter * furnished to do so, subject to the following conditions: * 1150276Speter * * 1250276Speter * The above copyright notice and this permission notice shall be included * 1350276Speter * in all copies or substantial portions of the Software. * 1450276Speter * * 1550276Speter * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 1650276Speter * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 1750276Speter * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 1850276Speter * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 1950276Speter * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 2050276Speter * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 2150276Speter * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 2250276Speter * * 2350276Speter * Except as contained in this notice, the name(s) of the above copyright * 2450276Speter * holders shall not be used in advertising or otherwise to promote the * 2550276Speter * sale, use or other dealings in this Software without prior written * 2650276Speter * authorization. * 2750276Speter ****************************************************************************/ 2850276Speter 2950276Speter/**************************************************************************** 30166124Srafan * Author: Juergen Pfeifer, 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter#include "form.priv.h" 3450276Speter 35262685SdelphijMODULE_ID("$Id: fld_ftlink.c,v 1.15 2012/06/10 00:27:49 tom Exp $") 3650276Speter 3750276Speter/*--------------------------------------------------------------------------- 3850276Speter| Facility : libnform 3950276Speter| Function : FIELDTYPE *link_fieldtype( 4050276Speter| FIELDTYPE *type1, 4150276Speter| FIELDTYPE *type2) 4250276Speter| 4350276Speter| Description : Create a new fieldtype built from the two given types. 4450276Speter| They are connected by an logical 'OR'. 4550276Speter| If an error occurs, errno is set to 4650276Speter| E_BAD_ARGUMENT - invalid arguments 4750276Speter| E_SYSTEM_ERROR - system error (no memory) 4850276Speter| 49166124Srafan| Return Values : Fieldtype pointer or NULL if error occurred. 5050276Speter+--------------------------------------------------------------------------*/ 5176726SpeterNCURSES_EXPORT(FIELDTYPE *) 52166124Srafanlink_fieldtype(FIELDTYPE *type1, FIELDTYPE *type2) 5350276Speter{ 5450276Speter FIELDTYPE *nftyp = (FIELDTYPE *)0; 5550276Speter 56262629Sdelphij T((T_CALLED("link_fieldtype(%p,%p)"), (void *)type1, (void *)type2)); 57166124Srafan if (type1 && type2) 5850276Speter { 59174993Srafan nftyp = typeMalloc(FIELDTYPE, 1); 60166124Srafan 6150276Speter if (nftyp) 6250276Speter { 63262629Sdelphij T((T_CREATE("fieldtype %p"), (void *)nftyp)); 6450276Speter *nftyp = *_nc_Default_FieldType; 65262685Sdelphij SetStatus(nftyp, _LINKED_TYPE); 66166124Srafan if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS)) 67262685Sdelphij SetStatus(nftyp, _HAS_ARGS); 68166124Srafan if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE)) 69262685Sdelphij SetStatus(nftyp, _HAS_CHOICE); 70166124Srafan nftyp->left = type1; 71166124Srafan nftyp->right = type2; 7250276Speter type1->ref++; 7350276Speter type2->ref++; 7450276Speter } 7550276Speter else 7650276Speter { 77166124Srafan SET_ERROR(E_SYSTEM_ERROR); 7850276Speter } 7950276Speter } 8050276Speter else 8150276Speter { 82166124Srafan SET_ERROR(E_BAD_ARGUMENT); 8350276Speter } 84166124Srafan returnFieldType(nftyp); 8550276Speter} 8650276Speter 8750276Speter/* fld_ftlink.c ends here */ 88