| Amit Daniel Kachhap | e6a01f5 | 2011-07-20 11:45:59 +0530 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * Copyright (c) 1998-2004,2007 Free Software Foundation, Inc. * |
| 3 | * * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a * |
| 5 | * copy of this software and associated documentation files (the * |
| 6 | * "Software"), to deal in the Software without restriction, including * |
| 7 | * without limitation the rights to use, copy, modify, merge, publish, * |
| 8 | * distribute, distribute with modifications, sublicense, and/or sell * |
| 9 | * copies of the Software, and to permit persons to whom the Software is * |
| 10 | * furnished to do so, subject to the following conditions: * |
| 11 | * * |
| 12 | * The above copyright notice and this permission notice shall be included * |
| 13 | * in all copies or substantial portions of the Software. * |
| 14 | * * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| 16 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| 18 | * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| 19 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| 20 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| 21 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| 22 | * * |
| 23 | * Except as contained in this notice, the name(s) of the above copyright * |
| 24 | * holders shall not be used in advertising or otherwise to promote the * |
| 25 | * sale, use or other dealings in this Software without prior written * |
| 26 | * authorization. * |
| 27 | ****************************************************************************/ |
| 28 | |
| 29 | /**************************************************************************** |
| 30 | * Author: Juergen Pfeifer, 1995,1997 * |
| 31 | ****************************************************************************/ |
| 32 | |
| 33 | #include "form.priv.h" |
| 34 | |
| 35 | MODULE_ID("$Id: fld_ftlink.c,v 1.13 2007/10/13 19:30:35 tom Exp $") |
| 36 | |
| 37 | /*--------------------------------------------------------------------------- |
| 38 | | Facility : libnform |
| 39 | | Function : FIELDTYPE *link_fieldtype( |
| 40 | | FIELDTYPE *type1, |
| 41 | | FIELDTYPE *type2) |
| 42 | | |
| 43 | | Description : Create a new fieldtype built from the two given types. |
| 44 | | They are connected by an logical 'OR'. |
| 45 | | If an error occurs, errno is set to |
| 46 | | E_BAD_ARGUMENT - invalid arguments |
| 47 | | E_SYSTEM_ERROR - system error (no memory) |
| 48 | | |
| 49 | | Return Values : Fieldtype pointer or NULL if error occurred. |
| 50 | +--------------------------------------------------------------------------*/ |
| 51 | NCURSES_EXPORT(FIELDTYPE *) |
| 52 | link_fieldtype(FIELDTYPE *type1, FIELDTYPE *type2) |
| 53 | { |
| 54 | FIELDTYPE *nftyp = (FIELDTYPE *)0; |
| 55 | |
| 56 | T((T_CALLED("link_fieldtype(%p,%p)"), type1, type2)); |
| 57 | if (type1 && type2) |
| 58 | { |
| 59 | nftyp = typeMalloc(FIELDTYPE, 1); |
| 60 | |
| 61 | if (nftyp) |
| 62 | { |
| 63 | T((T_CREATE("fieldtype %p"), nftyp)); |
| 64 | *nftyp = *_nc_Default_FieldType; |
| 65 | nftyp->status |= _LINKED_TYPE; |
| 66 | if ((type1->status & _HAS_ARGS) || (type2->status & _HAS_ARGS)) |
| 67 | nftyp->status |= _HAS_ARGS; |
| 68 | if ((type1->status & _HAS_CHOICE) || (type2->status & _HAS_CHOICE)) |
| 69 | nftyp->status |= _HAS_CHOICE; |
| 70 | nftyp->left = type1; |
| 71 | nftyp->right = type2; |
| 72 | type1->ref++; |
| 73 | type2->ref++; |
| 74 | } |
| 75 | else |
| 76 | { |
| 77 | SET_ERROR(E_SYSTEM_ERROR); |
| 78 | } |
| 79 | } |
| 80 | else |
| 81 | { |
| 82 | SET_ERROR(E_BAD_ARGUMENT); |
| 83 | } |
| 84 | returnFieldType(nftyp); |
| 85 | } |
| 86 | |
| 87 | /* fld_ftlink.c ends here */ |