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freebsd/contrib/ncurses/form/fld_ftlink.c
2021-02-25 19:26:56 +01:00

89 lines
4.0 KiB
C

/****************************************************************************
* Copyright 2020 Thomas E. Dickey *
* Copyright 1998-2010,2012 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, 1995,1997 *
****************************************************************************/
#include "form.priv.h"
MODULE_ID("$Id: fld_ftlink.c,v 1.17 2020/05/24 01:40:20 anonymous.maarten Exp $")
/*---------------------------------------------------------------------------
| Facility : libnform
| Function : FIELDTYPE *link_fieldtype(
| FIELDTYPE *type1,
| FIELDTYPE *type2)
|
| Description : Create a new fieldtype built from the two given types.
| They are connected by an logical 'OR'.
| If an error occurs, errno is set to
| E_BAD_ARGUMENT - invalid arguments
| E_SYSTEM_ERROR - system error (no memory)
|
| Return Values : Fieldtype pointer or NULL if error occurred.
+--------------------------------------------------------------------------*/
FORM_EXPORT(FIELDTYPE *)
link_fieldtype(FIELDTYPE *type1, FIELDTYPE *type2)
{
FIELDTYPE *nftyp = (FIELDTYPE *)0;
T((T_CALLED("link_fieldtype(%p,%p)"), (void *)type1, (void *)type2));
if (type1 && type2)
{
nftyp = typeMalloc(FIELDTYPE, 1);
if (nftyp)
{
T((T_CREATE("fieldtype %p"), (void *)nftyp));
*nftyp = *_nc_Default_FieldType;
SetStatus(nftyp, _LINKED_TYPE);
if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS))
SetStatus(nftyp, _HAS_ARGS);
if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE))
SetStatus(nftyp, _HAS_CHOICE);
nftyp->left = type1;
nftyp->right = type2;
type1->ref++;
type2->ref++;
}
else
{
SET_ERROR(E_SYSTEM_ERROR);
}
}
else
{
SET_ERROR(E_BAD_ARGUMENT);
}
returnFieldType(nftyp);
}
/* fld_ftlink.c ends here */