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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.1 */
/*LINTLIBRARY*/
#include <sys/types.h>
#include <stdlib.h>
#include "utility.h"
/*
* TYPE_ALNUM
*
* usage:
* set_field_type(f, TYPE_ALNUM, width);
*
* int width; minimum token width
*/
static char * make_alnum(va_list *);
static char * copy_alnum(char *);
static void free_alnum(char *);
static int fcheck_alnum(FIELD *, char *);
static int ccheck_alnum(int, char *);
static FIELDTYPE typeALNUM =
{
ARGS, /* status */
1, /* ref */
(FIELDTYPE *) 0, /* left */
(FIELDTYPE *) 0, /* right */
make_alnum, /* makearg */
copy_alnum, /* copyarg */
free_alnum, /* freearg */
fcheck_alnum, /* fcheck */
ccheck_alnum, /* ccheck */
(PTF_int) 0, /* next */
(PTF_int) 0, /* prev */
};
FIELDTYPE * TYPE_ALNUM = &typeALNUM;
static char *
make_alnum(va_list *ap)
{
int * width;
if (Alloc(width, int))
*width = va_arg(*ap, int);
return ((char *) width);
}
static char *
copy_alnum(char *arg)
{
int * width;
if (Alloc(width, int))
*width = *((int *) arg);
return ((char *) width);
}
static void
free_alnum(char *arg)
{
Free(arg);
}
static int
fcheck_alnum(FIELD *f, char *arg)
{
int width = *((int *) arg);
int n = 0;
char *v = field_buffer(f, 0);
while (*v && *v == ' ')
++v;
if (*v) {
char * vbeg = v;
while (*v && isalnum(*v))
++v;
n = (int) (v - vbeg);
while (*v && *v == ' ')
++v;
}
return (*v || n < width ? FALSE : TRUE);
}
/*ARGSUSED*/
static int
ccheck_alnum(int c, char *arg)
{
return (isalnum(c));
}
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