fld_type.c   [plain text]

/****************************************************************************
 * Copyright (c) 1998-2002,2003 Free Software Foundation, Inc.              *
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 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * copies of the Software, and to permit persons to whom the Software is    *
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/****************************************************************************
 *   Author:  Juergen Pfeifer, 1995,1997                                    *
 ****************************************************************************/

#include "form.priv.h"

MODULE_ID("$Id: fld_type.c,v 1.12 2003/10/25 15:17:08 tom Exp $")

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int set_field_type(FIELD *field, FIELDTYPE *type,...)
|   
|   Description   :  Associate the specified fieldtype with the field.
|                    Certain field types take additional arguments. Look
|                    at the spec of the field types !
|
|   Return Values :  E_OK           - success
|                    E_SYSTEM_ERROR - system error
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)
set_field_type (FIELD *field,FIELDTYPE *type, ...)
{
  va_list ap;
  int res = E_SYSTEM_ERROR;
  int err = 0;

  va_start(ap,type);

  Normalize_Field(field);
  _nc_Free_Type(field);

  field->type = type;
  field->arg  = (void *)_nc_Make_Argument(field->type,&ap,&err);

  if (err)
    {
      _nc_Free_Argument(field->type,(TypeArgument *)(field->arg));
      field->type = (FIELDTYPE *)0;
      field->arg  = (void *)0;
    }
  else
    {
      res = E_OK;
      if (field->type) 
	field->type->ref++;
    }

  va_end(ap);
  RETURN(res);
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  FIELDTYPE *field_type(const FIELD *field)
|   
|   Description   :  Retrieve the associated fieldtype for this field.
|
|   Return Values :  Pointer to fieldtype of NULL if none is defined.
+--------------------------------------------------------------------------*/
NCURSES_EXPORT(FIELDTYPE *)
field_type (const FIELD * field)
{
  return Normalize_Field(field)->type;
}

/* fld_type.c ends here */