fld_ftlink.c revision 76726
150276Speter/**************************************************************************** 276726Speter * Copyright (c) 1998,2000 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/**************************************************************************** 3050276Speter * Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997 * 3150276Speter ****************************************************************************/ 3250276Speter 3350276Speter#include "form.priv.h" 3450276Speter 3576726SpeterMODULE_ID("$Id: fld_ftlink.c,v 1.5 2000/12/10 02:09:38 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| 4950276Speter| Return Values : Fieldtype pointer or NULL if error occured. 5050276Speter+--------------------------------------------------------------------------*/ 5176726SpeterNCURSES_EXPORT(FIELDTYPE *) 5276726Speterlink_fieldtype 5376726Speter(FIELDTYPE * type1, FIELDTYPE * type2) 5450276Speter{ 5550276Speter FIELDTYPE *nftyp = (FIELDTYPE *)0; 5650276Speter 5750276Speter if ( type1 && type2 ) 5850276Speter { 5950276Speter nftyp = (FIELDTYPE *)malloc(sizeof(FIELDTYPE)); 6050276Speter if (nftyp) 6150276Speter { 6250276Speter *nftyp = *_nc_Default_FieldType; 6350276Speter nftyp->status |= _LINKED_TYPE; 6450276Speter if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS) ) 6550276Speter nftyp->status |= _HAS_ARGS; 6650276Speter if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE) ) 6750276Speter nftyp->status |= _HAS_CHOICE; 6850276Speter nftyp->left = type1; 6950276Speter nftyp->right = type2; 7050276Speter type1->ref++; 7150276Speter type2->ref++; 7250276Speter } 7350276Speter else 7450276Speter { 7550276Speter SET_ERROR( E_SYSTEM_ERROR ); 7650276Speter } 7750276Speter } 7850276Speter else 7950276Speter { 8050276Speter SET_ERROR( E_BAD_ARGUMENT ); 8150276Speter } 8250276Speter return nftyp; 8350276Speter} 8450276Speter 8550276Speter/* fld_ftlink.c ends here */ 86