IABSD.fr/src/lib/libform/fld_link.c

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• Author : krw
  Date : 2015-01-23 22:48:51
  Hash : 5e231b3a
  Message : More missing $OpenBSD$. ok nicm@

• lib/libform/fld_link.c

• /*	$OpenBSD: fld_link.c,v 1.6 2015/01/23 22:48:51 krw Exp $	*/
  /****************************************************************************
   * Copyright (c) 1998-2004,2007 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_link.c,v 1.6 2015/01/23 22:48:51 krw Exp $")
  
  /*---------------------------------------------------------------------------
  |   Facility      :  libnform  
  |   Function      :  FIELD *link_field(FIELD *field, int frow, int fcol)  
  |   
  |   Description   :  Duplicates the field at the specified position. The
  |                    new field shares its buffers with the original one,
  |                    the attributes are independent.
  |                    If an error occurs, errno is set to
  |                    
  |                    E_BAD_ARGUMENT - invalid argument
  |                    E_SYSTEM_ERROR - system error
  |
  |   Return Values :  Pointer to the new field or NULL if failure
  +--------------------------------------------------------------------------*/
  NCURSES_EXPORT(FIELD *)
  link_field(FIELD *field, int frow, int fcol)
  {
    FIELD *New_Field = (FIELD *)0;
    int err = E_BAD_ARGUMENT;
  
    T((T_CALLED("link_field(%p,%d,%d)"), field, frow, fcol));
    if (field && (frow >= 0) && (fcol >= 0) &&
        ((err = E_SYSTEM_ERROR) != 0) &&	/* trick: this resets the default error */
        (New_Field = typeMalloc(FIELD, 1)))
      {
        T((T_CREATE("field %p"), New_Field));
        *New_Field = *_nc_Default_Field;
        New_Field->frow = frow;
        New_Field->fcol = fcol;
  
        New_Field->link = field->link;
        field->link = New_Field;
  
        New_Field->buf = field->buf;
        New_Field->rows = field->rows;
        New_Field->cols = field->cols;
        New_Field->nrow = field->nrow;
        New_Field->nbuf = field->nbuf;
        New_Field->drows = field->drows;
        New_Field->dcols = field->dcols;
        New_Field->maxgrow = field->maxgrow;
        New_Field->just = field->just;
        New_Field->fore = field->fore;
        New_Field->back = field->back;
        New_Field->pad = field->pad;
        New_Field->opts = field->opts;
        New_Field->usrptr = field->usrptr;
  
        if (_nc_Copy_Type(New_Field, field))
  	returnField(New_Field);
      }
  
    if (New_Field)
      free_field(New_Field);
  
    SET_ERROR(err);
    returnField((FIELD *)0);
  }
  
  /* fld_link.c ends here */