Colony » Colony Scout

/*

 * Copyright (c) 2006-2007, Kohsuke Ohtani

 * 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. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.

 */

#include <sys/utsname.h>

#include <string.h>

#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <stdio.h>

#ifdef CMDBOX

#define main(argc, argv)        uname_main(argc, argv)

#endif

#define        MFLAG        0x01

#define        NFLAG        0x02

#define        RFLAG        0x04

#define        SFLAG        0x08

#define        VFLAG        0x10

static void

usage(void)

{

        fprintf(stderr, "usage: uname [-amnsrv]\n");

        exit(1);

}

int

main(int argc, char *argv[])

{

        u_int flags;

        int ch;

        struct utsname uts;

        flags = 0;

        while ((ch = getopt(argc, argv, "amnrsv")) != EOF) {

                switch(ch) {

                case 'a':

                        flags |= (MFLAG | NFLAG | RFLAG | SFLAG | VFLAG);

                        break;

                case 'm':

                        flags |= MFLAG;

                        break;

                case 'n':

                        flags |= NFLAG;

                        break;

                case 'r':

                        flags |= RFLAG;

                        break;

                case 's':

                        flags |= SFLAG;

                        break;

                case 'v':

                        flags |= VFLAG;

                        break;

                case '?':

                default:

                        usage();

                }

        }

        argc -= optind;

        argv += optind;

        if (argc)

                usage();

        if (!flags)

                flags |= SFLAG;

        uname(&uts);

        if (flags & SFLAG)

                printf("%s ", uts.sysname);

        if (flags & RFLAG)

                printf("%s ", uts.release);

        if (flags & VFLAG)

                printf("%s ", uts.version);

        if (flags & MFLAG)

                printf("%s ", uts.machine);

        if (flags & NFLAG)

                printf("%s", uts.nodename);

        putchar('\n');

        exit(0);

}