Linux Cubed Series 7: Sunsite/Linux Cubed Series 7 - Sunsite Vol 1.iso/system/network/file-tra/rdist-6.1/rdist-6/rdist-6.1.0-linuxpl2/src/distopt.c

C/C++ Source or Header | 1994-04-26 | 4.8 KB | 184 lines

/*
 * Copyright (c) 1983 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    This product includes software developed by the University of
 *    California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char RCSid[] =
"$Id: distopt.c,v 6.9 1994/04/26 16:59:41 mcooper Exp $";

static char sccsid[] = "@(#)distopt.c";

static char copyright[] =
"@(#) Copyright (c) 1983 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* !lint */

/*
 * Dist Option functions
 */

#include "defs.h"

/*
 * Distfile Option Information
 */
DISTOPTINFO distoptinfo[] = {
    { DO_CHKNFS,        "chknfs" },
    { DO_CHKREADONLY,    "chkreadonly" },
    { DO_CHKSYM,        "chksym" },
    { DO_COMPARE,        "compare" },
    { DO_FOLLOW,        "follow" },
    { DO_IGNLNKS,        "ignlnks" },
    { DO_NOCHKGROUP,    "nochkgroup" },
    { DO_NOCHKMODE,        "nochkmode" },
    { DO_NOCHKOWNER,    "nochkowner" },
    { DO_NODESCEND,        "nodescend" },
    { DO_NOEXEC,        "noexec" },
    { DO_NUMCHKGROUP,    "numchkgroup" },
    { DO_NUMCHKOWNER,    "numchkowner" },
    { DO_QUIET,        "quiet" },
    { DO_REMOVE,        "remove" },
    { DO_SAVETARGETS,    "savetargets" },
    { DO_VERIFY,        "verify" },
    { DO_WHOLE,        "whole" },
    { DO_YOUNGER,        "younger" },
    { 0 },
};

/*
 * Get a Distfile Option entry named "name".
 */
extern DISTOPTINFO *getdistopt(name)
    char *name;
{
    register int i;

    for (i = 0; distoptinfo[i].do_name; ++i)
        if (strcasecmp(name, distoptinfo[i].do_name) == 0)
            return(&distoptinfo[i]);

    return((DISTOPTINFO *) NULL);
}

/*
 * Parse a dist option string.  Set option flags to optptr.
 * If doerrs is true, print out own error message.  Returns
 * 0 on success.
 */
extern int parsedistopts(str, optptr, doerrs)
    char *str;
    opt_t *optptr;
    int doerrs;
{
    register char *string, *optstr;
    DISTOPTINFO *distopt;
    int negate;

    /* strtok() is harmful */
    string = strdup(str);

    for (optstr = strtok(string, ","); optstr;
         optstr = strtok((char *) NULL, ",")) {
        if (strncasecmp(optstr, "no", 2) == 0)
            negate = TRUE;
        else
            negate = FALSE;

        /*
         * Try looking up option name.  If that fails
         * and the option starts with "no", strip "no"
         * from option and retry lookup.
         */
        if (distopt = getdistopt(optstr)) {
            FLAG_ON(*optptr, distopt->do_value);
            continue;
        }
        if (negate && (distopt = getdistopt(optstr+2))) {
            FLAG_OFF(*optptr, distopt->do_value);
            continue;
        }
        if (doerrs)
            error("Dist option \"%s\" is not valid.", optstr);
    }

    if (string)
        (void) free(string);

    return(nerrs);
}

/*
 * Get a list of the Distfile Option Entries.
 */
extern char *getdistoptlist()
{
    register int i;
    static char buf[1024];

    for (i = 0, buf[0] = CNULL; distoptinfo[i].do_name; ++i) {
        if (buf[0] == CNULL)
            (void) strcpy(buf, distoptinfo[i].do_name);
        else {
            (void) strcat(buf, ",");
            (void) strcat(buf, distoptinfo[i].do_name);
        }
    }

    return(buf);
}

/*
 * Get a list of the Distfile Option Entries for each enabled
 * value in "opts".
 */
extern char *getondistoptlist(opts)
    opt_t opts;
{
    register int i;
    static char buf[1024];

    for (i = 0, buf[0] = CNULL; distoptinfo[i].do_name; ++i) {
        if (!IS_ON(opts, distoptinfo[i].do_value))
            continue;

        if (buf[0] == CNULL)
            (void) strcpy(buf, distoptinfo[i].do_name);
        else {
            (void) strcat(buf, ",");
            (void) strcat(buf, distoptinfo[i].do_name);
        }
    }

    return(buf);
}