xref: /openbsd/lib/libform/frm_scale.c (revision d415bd75)
1 /*	$OpenBSD: frm_scale.c,v 1.7 2023/10/17 09:52:10 nicm Exp $	*/
2 /****************************************************************************
3  * Copyright 2020,2021 Thomas E. Dickey                                     *
4  * Copyright 1998-2004,2010 Free Software Foundation, Inc.                  *
5  *                                                                          *
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7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
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10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
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29  ****************************************************************************/
30 
31 /****************************************************************************
32  *   Author:  Juergen Pfeifer, 1995,1997                                    *
33  ****************************************************************************/
34 
35 #include "form.priv.h"
36 
37 MODULE_ID("$Id: frm_scale.c,v 1.7 2023/10/17 09:52:10 nicm Exp $")
38 
39 /*---------------------------------------------------------------------------
40 |   Facility      :  libnform
41 |   Function      :  int scale_form( const FORM *form, int *rows, int *cols )
42 |
43 |   Description   :  Retrieve size of form
44 |
45 |   Return Values :  E_OK              - no error
46 |                    E_BAD_ARGUMENT    - invalid form pointer
47 |                    E_NOT_CONNECTED   - no fields connected to form
48 +--------------------------------------------------------------------------*/
49 FORM_EXPORT(int)
50 scale_form(const FORM *form, int *rows, int *cols)
51 {
52   T((T_CALLED("scale_form(%p,%p,%p)"),
53      (const void *)form,
54      (void *)rows,
55      (void *)cols));
56 
57   if (!form)
58     RETURN(E_BAD_ARGUMENT);
59 
60   if (!(form->field))
61     RETURN(E_NOT_CONNECTED);
62 
63   if (rows)
64     *rows = form->rows;
65   if (cols)
66     *cols = form->cols;
67 
68   RETURN(E_OK);
69 }
70 
71 /* frm_scale.c ends here */
72