ncurses/form/fld_type.c

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30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
33 #include "form.priv.h"
35 MODULE_ID("$Id: fld_type.c,v 1.16 2010/01/23 21:14:36 tom Exp $")
37 /*---------------------------------------------------------------------------
38 |   Facility      :  libnform
39 |   Function      :  int set_field_type(FIELD *field, FIELDTYPE *type,...)
41 |   Description   :  Associate the specified fieldtype with the field.
42 |                    Certain field types take additional arguments. Look
43 |                    at the spec of the field types !
45 |   Return Values :  E_OK           - success
46 |                    E_SYSTEM_ERROR - system error
47 +--------------------------------------------------------------------------*/
48 NCURSES_EXPORT(int)
49 set_field_type(FIELD *field, FIELDTYPE *type,...)
51   va_list ap;
52   int res = E_SYSTEM_ERROR;
53   int err = 0;
55   T((T_CALLED("set_field_type(%p,%p)"), (void *)field, (void *)type));
57   va_start(ap, type);
59   Normalize_Field(field);
60   _nc_Free_Type(field);
62   field->type = type;
63   field->arg = (void *)_nc_Make_Argument(field->type, &ap, &err);
65   if (err)
67       _nc_Free_Argument(field->type, (TypeArgument *)(field->arg));
68       field->type = (FIELDTYPE *)0;
69       field->arg = (void *)0;
71   else
73       res = E_OK;
74       if (field->type)
75 	field->type->ref++;
78   va_end(ap);
79   RETURN(res);
82 /*---------------------------------------------------------------------------
83 |   Facility      :  libnform
84 |   Function      :  FIELDTYPE *field_type(const FIELD *field)
86 |   Description   :  Retrieve the associated fieldtype for this field.
88 |   Return Values :  Pointer to fieldtype of NULL if none is defined.
89 +--------------------------------------------------------------------------*/
90 NCURSES_EXPORT(FIELDTYPE *)
91 field_type(const FIELD *field)
93   T((T_CALLED("field_type(%p)"), (const void *)field));
94   returnFieldType(Normalize_Field(field)->type);
97 /* fld_type.c ends here */