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Viewing changes to tests/regression/subdomain/syscall_iopl.c

  • Committer: Bazaar Package Importer
  • Author(s): Kees Cook
  • Date: 2007-03-23 16:42:01 UTC
  • Revision ID: james.westby@ubuntu.com-20070323164201-jkax6f0oku087b7l
Tags: upstream-2.0.1+510.dfsg
Import upstream version 2.0.1+510.dfsg

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tests/regression/subdomain/syscall_iopl.c
 
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/* $Id: syscall_iopl.c 61 2006-05-19 18:32:14Z steve-beattie $ */
 
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/*
 
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 *      Copyright (C) 2002-2005 Novell/SUSE
 
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 *
 
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 *      This program is free software; you can redistribute it and/or
 
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 *      modify it under the terms of the GNU General Public License as
 
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 *      published by the Free Software Foundation, version 2 of the
 
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 *      License.
 
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 */
 
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#include <stdio.h>
 
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#include <unistd.h>
 
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#include <errno.h>
 
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#include <sys/types.h>
 
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#include <sys/io.h> /* for glibc */
 
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#include <string.h>
 
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#include <stdlib.h>
 
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int main(int argc, char *argv[])
 
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{
 
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        int ring;
 
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        if (argc != 2) {
 
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                fprintf(stderr, "usage: %s <ring>\n",
 
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                                argv[0]);
 
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                return 1;
 
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        }
 
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        if ( (ring = strtol(argv[1], NULL, 0)) == 0) {
 
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                if (errno == EINVAL) {
 
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                fprintf(stderr, "FAIL: no <ring> argument in '%s'\n",
 
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                                argv[1]);
 
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                }
 
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        }
 
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        if (ring > 3 || ring < 0) {
 
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                fprintf(stderr, "FAIL: out of range (0-3)\n");
 
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        }
 
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        if (iopl(ring) == -1) {
 
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                fprintf(stderr, "FAIL: iopl failed - %s\n",
 
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                        strerror(errno));
 
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                return 1;
 
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        }
 
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        printf("PASS\n");
 
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        return 0;
 
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}