| 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_link.c,v 1.11 2007/10/13 19:30:43 tom Exp $") |
| 36 | |
| 37 | /*--------------------------------------------------------------------------- |
| 38 | | Facility : libnform |
| 39 | | Function : FIELD *link_field(FIELD *field, int frow, int fcol) |
| 40 | | |
| 41 | | Description : Duplicates the field at the specified position. The |
| 42 | | new field shares its buffers with the original one, |
| 43 | | the attributes are independent. |
| 44 | | If an error occurs, errno is set to |
| 45 | | |
| 46 | | E_BAD_ARGUMENT - invalid argument |
| 47 | | E_SYSTEM_ERROR - system error |
| 48 | | |
| 49 | | Return Values : Pointer to the new field or NULL if failure |
| 50 | +--------------------------------------------------------------------------*/ |
| 51 | NCURSES_EXPORT(FIELD *) |
| 52 | link_field(FIELD *field, int frow, int fcol) |
| 53 | { |
| 54 | FIELD *New_Field = (FIELD *)0; |
| 55 | int err = E_BAD_ARGUMENT; |
| 56 | |
| 57 | T((T_CALLED("link_field(%p,%d,%d)"), field, frow, fcol)); |
| 58 | if (field && (frow >= 0) && (fcol >= 0) && |
| 59 | ((err = E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */ |
| 60 | (New_Field = typeMalloc(FIELD, 1))) |
| 61 | { |
| 62 | T((T_CREATE("field %p"), New_Field)); |
| 63 | *New_Field = *_nc_Default_Field; |
| 64 | New_Field->frow = frow; |
| 65 | New_Field->fcol = fcol; |
| 66 | |
| 67 | New_Field->link = field->link; |
| 68 | field->link = New_Field; |
| 69 | |
| 70 | New_Field->buf = field->buf; |
| 71 | New_Field->rows = field->rows; |
| 72 | New_Field->cols = field->cols; |
| 73 | New_Field->nrow = field->nrow; |
| 74 | New_Field->nbuf = field->nbuf; |
| 75 | New_Field->drows = field->drows; |
| 76 | New_Field->dcols = field->dcols; |
| 77 | New_Field->maxgrow = field->maxgrow; |
| 78 | New_Field->just = field->just; |
| 79 | New_Field->fore = field->fore; |
| 80 | New_Field->back = field->back; |
| 81 | New_Field->pad = field->pad; |
| 82 | New_Field->opts = field->opts; |
| 83 | New_Field->usrptr = field->usrptr; |
| 84 | |
| 85 | if (_nc_Copy_Type(New_Field, field)) |
| 86 | returnField(New_Field); |
| 87 | } |
| 88 | |
| 89 | if (New_Field) |
| 90 | free_field(New_Field); |
| 91 | |
| 92 | SET_ERROR(err); |
| 93 | returnField((FIELD *)0); |
| 94 | } |
| 95 | |
| 96 | /* fld_link.c ends here */ |