xref: /freebsd/contrib/ncurses/form/frm_scale.c (revision 21817992b3314c908ab50f0bb88d2ee750b9c4ac)

/****************************************************************************
 * Copyright 2020,2021 Thomas E. Dickey                                     *
 * Copyright 1998-2004,2010 Free Software Foundation, Inc.                  *
 *                                                                          *
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 * 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,   *
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 *                                                                          *
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 ****************************************************************************/

/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: frm_scale.c,v 1.13 2021/06/17 21:20:30 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  int scale_form( const FORM *form, int *rows, int *cols )
|
|   Description   :  Retrieve size of form
|
|   Return Values :  E_OK              - no error
|                    E_BAD_ARGUMENT    - invalid form pointer
|                    E_NOT_CONNECTED   - no fields connected to form
+--------------------------------------------------------------------------*/
FORM_EXPORT(int)
scale_form(const FORM *form, int *rows, int *cols)
{
  T((T_CALLED("scale_form(%p,%p,%p)"),
     (const void *)form,
     (void *)rows,
     (void *)cols));

  if (!form)
    RETURN(E_BAD_ARGUMENT);

  if (!(form->field))
    RETURN(E_NOT_CONNECTED);

  if (rows)
    *rows = form->rows;
  if (cols)
    *cols = form->cols;

  RETURN(E_OK);
}

/* frm_scale.c ends here */