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Kitware
GitHub Repository: Kitware/CMake
 Path: blob/master/Source/CursesDialog/form/fld_link.c
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/****************************************************************************

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 * Copyright (c) 1998 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 <[email protected]> 1995,1997            *

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 ****************************************************************************/

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#include "form.priv.h"

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MODULE_ID("$Id$")

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/*---------------------------------------------------------------------------

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|   Facility      :  libnform  

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|   Function      :  FIELD *link_field(FIELD *field, int frow, int fcol)  

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|   

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|   Description   :  Duplicates the field at the specified position. The

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|                    new field shares its buffers with the original one,

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|                    the attributes are independent.

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|                    If an error occurs, errno is set to

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|                    

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|                    E_BAD_ARGUMENT - invalid argument

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|                    E_SYSTEM_ERROR - system error

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|

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|   Return Values :  Pointer to the new field or NULL if failure

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+--------------------------------------------------------------------------*/

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FIELD *link_field(FIELD * field, int frow, int fcol)

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{

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  FIELD *New_Field = (FIELD *)0;

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  int err = E_BAD_ARGUMENT;

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  if (field && (frow>=0) && (fcol>=0) &&

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      ((err=E_SYSTEM_ERROR) != 0) && /* trick: this resets the default error */

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      (New_Field = (FIELD *)malloc(sizeof(FIELD))) )

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    {

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      *New_Field        = *_nc_Default_Field;

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      New_Field->frow   = frow;

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      New_Field->fcol   = fcol;

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      New_Field->link   = field->link;

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      field->link       = New_Field;

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      New_Field->buf    = field->buf;

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      New_Field->rows   = field->rows;

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      New_Field->cols   = field->cols;

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      New_Field->nrow   = field->nrow;

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      New_Field->nbuf   = field->nbuf;

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      New_Field->drows  = field->drows;

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      New_Field->dcols  = field->dcols;

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      New_Field->maxgrow= field->maxgrow;

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      New_Field->just   = field->just;

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      New_Field->fore   = field->fore;

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      New_Field->back   = field->back;

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      New_Field->pad    = field->pad;

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      New_Field->opts   = field->opts;

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      New_Field->usrptr = field->usrptr;

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      if (_nc_Copy_Type(New_Field,field)) 

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	return New_Field;

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    }

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  if (New_Field) 

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    free_field(New_Field);

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  SET_ERROR( err );

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  return (FIELD *)0;

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}

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/* fld_link.c ends here */

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