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    /*	$OpenBSD: fld_link.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_link.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      :  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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    NCURSES_EXPORT(FIELD *)  | 
    
    
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    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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      T((T_CALLED("link_field(%p,%d,%d)"), field, frow, fcol)); | 
    
    
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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 = typeMalloc(FIELD, 1)))  | 
    
    
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        { | 
    
    
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          T((T_CREATE("field %p"), New_Field)); | 
    
    
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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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    	returnField(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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      returnField((FIELD *)0);  | 
    
    
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    }  | 
    
    
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    /* fld_link.c ends here */  |