root/usr/src/cmd/lp/lib/lp/syntax.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */

#include "ctype.h"
#include "string.h"
#include "sys/param.h"

#include "lp.h"

int
#if     defined(__STDC__)
syn_name (
        char *                  str
)
#else
syn_name (str)
        char                    *str;
#endif
{
        register char           *p;

        if (!str || !*str)
                return(0);

        if (strlen(str) > (size_t) MAXPATHLEN)
                return (0);

        for (p = str; *p; p++)
                if (!isalnum(*p) && *p != '_' && *p != '-' && *p != '.')
                        return (0);

        return (1);
}

int
#if     defined(__STDC__)
syn_type (
        char *                  str
)
#else
syn_type (str)
        char                    *str;
#endif
{
        register char           *p;

        if (!str)
                return(0);

        if (strlen(str) > (size_t) MAXPATHLEN)
                return (0);

        for (p = str; *p; p++)
                if (!isalnum(*p) && *p != '-')
                        return (0);

        return (1);
}

int
#if     defined(__STDC__)
syn_text (
        char *                  str
)
#else
syn_text (str)
        char                    *str;
#endif
{
        register char           *p;

        if (!str)
                return(0);

        for (p = str; *p; p++)
                if (!isgraph(*p) && *p != '\t' && *p != ' ')
                        return (0);

        return (1);
}

int
#if     defined(__STDC__)
syn_comment (
        char *                  str
)
#else
syn_comment (str)
        char                    *str;
#endif
{
        register char           *p;

        if (!str)
                return(0);

        for (p = str; *p; p++)
                if (!isgraph(*p) && *p != '\t' && *p != ' ' && *p != '\n')
                        return (0);

        return (1);
}

int
#if     defined(__STDC__)
syn_machine_name (
        char *                  str
)
#else
syn_machine_name (str)
        char                    *str;
#endif
{
        if (!str)
                return(0);

        if (strlen(str) > (size_t) 8)
                return (0);

        return (1);
}

int
#if     defined(__STDC__)
syn_option (
        char *                  str
)
#else
syn_option (str)
        char                    *str;
#endif
{
        register char           *p;

        if (!str)
                return(0);

        for (p = str; *p; p++)
                if (!isprint(*p))
                        return (0);

        return (1);
}