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/* $OpenBSD: fld_ftlink.c,v 1.6 2015/01/23 22:48:51 krw Exp $ */ |
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/**************************************************************************** |
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* Copyright (c) 1998-2004,2007 Free Software Foundation, Inc. * |
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* * |
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* Permission is hereby granted, free of charge, to any person obtaining a * |
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* copy of this software and associated documentation files (the * |
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* "Software"), to deal in the Software without restriction, including * |
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* without limitation the rights to use, copy, modify, merge, publish, * |
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* distribute, distribute with modifications, sublicense, and/or sell * |
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* copies of the Software, and to permit persons to whom the Software is * |
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* furnished to do so, subject to the following conditions: * |
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* * |
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* The above copyright notice and this permission notice shall be included * |
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* in all copies or substantial portions of the Software. * |
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* * |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
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* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
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* * |
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* Except as contained in this notice, the name(s) of the above copyright * |
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* holders shall not be used in advertising or otherwise to promote the * |
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* sale, use or other dealings in this Software without prior written * |
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* authorization. * |
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****************************************************************************/ |
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/**************************************************************************** |
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* Author: Juergen Pfeifer, 1995,1997 * |
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****************************************************************************/ |
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#include "form.priv.h" |
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MODULE_ID("$Id: fld_ftlink.c,v 1.6 2015/01/23 22:48:51 krw Exp $") |
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/*--------------------------------------------------------------------------- |
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| Facility : libnform |
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| Function : FIELDTYPE *link_fieldtype( |
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| FIELDTYPE *type1, |
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| FIELDTYPE *type2) |
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| |
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| Description : Create a new fieldtype built from the two given types. |
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| They are connected by an logical 'OR'. |
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| If an error occurs, errno is set to |
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| E_BAD_ARGUMENT - invalid arguments |
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| E_SYSTEM_ERROR - system error (no memory) |
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| |
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| Return Values : Fieldtype pointer or NULL if error occurred. |
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+--------------------------------------------------------------------------*/ |
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NCURSES_EXPORT(FIELDTYPE *) |
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link_fieldtype(FIELDTYPE *type1, FIELDTYPE *type2) |
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{ |
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FIELDTYPE *nftyp = (FIELDTYPE *)0; |
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T((T_CALLED("link_fieldtype(%p,%p)"), type1, type2)); |
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if (type1 && type2) |
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{ |
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nftyp = typeMalloc(FIELDTYPE, 1); |
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if (nftyp) |
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{ |
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T((T_CREATE("fieldtype %p"), nftyp)); |
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*nftyp = *_nc_Default_FieldType; |
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nftyp->status |= _LINKED_TYPE; |
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if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS)) |
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nftyp->status |= _HAS_ARGS; |
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if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE)) |
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nftyp->status |= _HAS_CHOICE; |
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nftyp->left = type1; |
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nftyp->right = type2; |
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type1->ref++; |
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type2->ref++; |
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} |
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else |
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{ |
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SET_ERROR(E_SYSTEM_ERROR); |
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} |
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} |
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else |
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{ |
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SET_ERROR(E_BAD_ARGUMENT); |
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} |
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returnFieldType(nftyp); |
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} |
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/* fld_ftlink.c ends here */ |