1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2004,2010 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34 #include "form.priv.h" 35 36 MODULE_ID("$Id: fld_type.c,v 1.19 2020/12/11 23:20:37 tom Exp $") 37 38 /*--------------------------------------------------------------------------- 39 | Facility : libnform 40 | Function : int set_field_type(FIELD *field, FIELDTYPE *type,...) 41 | 42 | Description : Associate the specified fieldtype with the field. 43 | Certain field types take additional arguments. Look 44 | at the spec of the field types ! 45 | 46 | Return Values : E_OK - success 47 | E_SYSTEM_ERROR - system error 48 +--------------------------------------------------------------------------*/ 49 FORM_EXPORT(int) 50 set_field_type(FIELD *field, FIELDTYPE *type, ...) 51 { 52 va_list ap; 53 int res = E_SYSTEM_ERROR; 54 int err = 0; 55 56 T((T_CALLED("set_field_type(%p,%p)"), (void *)field, (void *)type)); 57 58 va_start(ap, type); 59 60 Normalize_Field(field); 61 _nc_Free_Type(field); 62 63 field->type = type; 64 field->arg = (void *)_nc_Make_Argument(field->type, &ap, &err); 65 66 if (err) 67 { 68 _nc_Free_Argument(field->type, (TypeArgument *)(field->arg)); 69 field->type = (FIELDTYPE *)0; 70 field->arg = (void *)0; 71 } 72 else 73 { 74 res = E_OK; 75 if (field->type) 76 field->type->ref++; 77 } 78 79 va_end(ap); 80 RETURN(res); 81 } 82 83 /*--------------------------------------------------------------------------- 84 | Facility : libnform 85 | Function : FIELDTYPE *field_type(const FIELD *field) 86 | 87 | Description : Retrieve the associated fieldtype for this field. 88 | 89 | Return Values : Pointer to fieldtype of NULL if none is defined. 90 +--------------------------------------------------------------------------*/ 91 FORM_EXPORT(FIELDTYPE *) 92 field_type(const FIELD *field) 93 { 94 T((T_CALLED("field_type(%p)"), (const void *)field)); 95 returnFieldType(Normalize_Field(field)->type); 96 } 97 98 /* fld_type.c ends here */ 99