root / prex-0.9.0 / usr / bin / uname / uname.c @ 03e9c04a
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/*
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* Copyright (c) 2006-2007, Kohsuke Ohtani
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/utsname.h> |
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#include <string.h> |
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#include <unistd.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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#include <stdio.h> |
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#ifdef CMDBOX
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#define main(argc, argv) uname_main(argc, argv)
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#endif
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#define MFLAG 0x01 |
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#define NFLAG 0x02 |
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#define RFLAG 0x04 |
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#define SFLAG 0x08 |
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#define VFLAG 0x10 |
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static void |
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usage(void)
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{ |
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fprintf(stderr, "usage: uname [-amnsrv]\n");
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exit(1);
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} |
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int
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main(int argc, char *argv[]) |
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{ |
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u_int flags; |
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int ch;
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struct utsname uts;
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flags = 0;
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while ((ch = getopt(argc, argv, "amnrsv")) != EOF) { |
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switch(ch) {
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case 'a': |
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flags |= (MFLAG | NFLAG | RFLAG | SFLAG | VFLAG); |
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break;
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case 'm': |
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flags |= MFLAG; |
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break;
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case 'n': |
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flags |= NFLAG; |
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break;
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case 'r': |
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flags |= RFLAG; |
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break;
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case 's': |
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flags |= SFLAG; |
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break;
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case 'v': |
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flags |= VFLAG; |
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break;
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case '?': |
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default:
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usage(); |
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} |
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} |
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argc -= optind; |
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argv += optind; |
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if (argc)
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usage(); |
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if (!flags)
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flags |= SFLAG; |
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uname(&uts); |
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if (flags & SFLAG)
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printf("%s ", uts.sysname);
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if (flags & RFLAG)
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printf("%s ", uts.release);
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if (flags & VFLAG)
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printf("%s ", uts.version);
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if (flags & MFLAG)
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printf("%s ", uts.machine);
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if (flags & NFLAG)
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printf("%s", uts.nodename);
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putchar('\n');
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exit(0);
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} |