release/src/router/libncurses/form/frm_scale.c

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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 */