xref: /freebsd/contrib/ncurses/form/frm_scale.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
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28 
29 /****************************************************************************
30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
31  ****************************************************************************/
32 
33 #include "form.priv.h"
34 
35 MODULE_ID("$Id: frm_scale.c,v 1.10 2010/01/23 21:14:36 tom Exp $")
36 
37 /*---------------------------------------------------------------------------
38 |   Facility      :  libnform
39 |   Function      :  int scale_form( const FORM *form, int *rows, int *cols )
40 |
41 |   Description   :  Retrieve size of form
42 |
43 |   Return Values :  E_OK              - no error
44 |                    E_BAD_ARGUMENT    - invalid form pointer
45 |                    E_NOT_CONNECTED   - no fields connected to form
46 +--------------------------------------------------------------------------*/
47 NCURSES_EXPORT(int)
48 scale_form(const FORM *form, int *rows, int *cols)
49 {
50   T((T_CALLED("scale_form(%p,%p,%p)"),
51      (const void *)form,
52      (void *)rows,
53      (void *)cols));
54 
55   if (!form)
56     RETURN(E_BAD_ARGUMENT);
57 
58   if (!(form->field))
59     RETURN(E_NOT_CONNECTED);
60 
61   if (rows)
62     *rows = form->rows;
63   if (cols)
64     *cols = form->cols;
65 
66   RETURN(E_OK);
67 }
68 
69 /* frm_scale.c ends here */
70