215 lines
6.5 KiB
C
215 lines
6.5 KiB
C
/*
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* The new sysinstall program.
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*
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* This is probably the last attempt in the `sysinstall' line, the next
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* generation being slated for what's essentially a complete rewrite.
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*
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* $FreeBSD$
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*
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* Copyright (c) 1995
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* Jordan Hubbard. 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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* verbatim and that no modifications are made prior to this
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* point in the file.
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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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*
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* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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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*/
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#include "sysinstall.h"
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#include <sys/signal.h>
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#include <sys/fcntl.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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const char *StartName; /* Initial contents of argv[0] */
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static void
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screech(int sig)
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{
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msgDebug("\007Signal %d caught! That's bad!\n", sig);
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longjmp(BailOut, sig);
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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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int choice, scroll, curr, max, status;
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char titlestr[80], *arch, *osrel, *ostype;
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struct rlimit rlim;
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/* Record name to be able to restart */
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StartName = argv[0];
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/* Catch fatal signals and complain about them if running as init */
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if (getpid() == 1) {
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signal(SIGBUS, screech);
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signal(SIGSEGV, screech);
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}
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signal(SIGPIPE, SIG_IGN);
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/* We don't work too well when running as non-root anymore */
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if (geteuid() != 0) {
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fprintf(stderr, "Error: This utility should only be run as root.\n");
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return 1;
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}
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/*
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* Given what it does sysinstall (and stuff sysinstall runs like
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* pkg_add) shouldn't be subject to process limits. Better to just
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* let them have what they think they need than have them blow
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* their brains out during an install (in sometimes strange and
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* mysterious ways).
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*/
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rlim.rlim_cur = rlim.rlim_max = RLIM_INFINITY;
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if (setrlimit(RLIMIT_DATA, &rlim) != 0)
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fprintf(stderr, "Warning: setrlimit() of datasize failed.\n");
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if (setrlimit(RLIMIT_STACK, &rlim) != 0)
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fprintf(stderr, "Warning: setrlimit() of stacksize failed.\n");
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#ifdef PC98
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{
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/* XXX */
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char *p = getenv("TERM");
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if (p && strcmp(p, "cons25") == 0)
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setenv("TERM", "cons25w", 1);
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}
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#endif
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/* Set up whatever things need setting up */
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systemInitialize(argc, argv);
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/* Set default flag and variable values */
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installVarDefaults(NULL);
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/* only when multi-user is it reasonable to do this here */
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if (!RunningAsInit)
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installEnvironment();
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if (argc > 1 && !strcmp(argv[1], "-fake")) {
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variable_set2(VAR_DEBUG, "YES", 0);
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Fake = TRUE;
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msgConfirm("I'll be just faking it from here on out, OK?");
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}
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if (argc > 1 && !strcmp(argv[1], "-restart"))
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Restarting = TRUE;
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/* Try to preserve our scroll-back buffer */
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if (OnVTY) {
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for (curr = 0; curr < 25; curr++)
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putchar('\n');
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}
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/* Move stderr aside */
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if (DebugFD)
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dup2(DebugFD, 2);
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/* Initialize driver modules, if we haven't already done so (ie,
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the user hit Ctrl-C -> Restart. */
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if (!pvariable_get("modulesInitialize")) {
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moduleInitialize();
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pvariable_set("modulesInitialize=1");
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}
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/* Initialize PC Card, if we haven't already done so. */
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#ifdef PCCARD_ARCH
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if (!variable_cmp(VAR_SKIP_PCCARD, "YES") &&
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variable_get(VAR_SKIP_PCCARD)!=1 &&
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!pvariable_get("pccardInitialize")) {
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pccardInitialize();
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pvariable_set("pccardInitialize=1");
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}
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#endif
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/* Probe for all relevant devices on the system */
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deviceGetAll();
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/* Prompt for the driver floppy if appropriate. */
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if (!pvariable_get("driverFloppyCheck")) {
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driverFloppyCheck();
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pvariable_set("driverFloppyCheck=1");
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}
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/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
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if (!RunningAsInit) {
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int i, start_arg;
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if (!strstr(argv[0], "sysinstall"))
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start_arg = 0;
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else if (Fake || Restarting)
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start_arg = 2;
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else
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start_arg = 1;
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for (i = start_arg; i < argc; i++) {
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if (DITEM_STATUS(dispatchCommand(argv[i])) != DITEM_SUCCESS)
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systemShutdown(1);
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}
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if (argc > start_arg)
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systemShutdown(0);
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}
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else
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dispatch_load_file_int(TRUE);
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status = setjmp(BailOut);
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if (status) {
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msgConfirm("A signal %d was caught - I'm saving what I can and shutting\n"
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"down. If you can reproduce the problem, please turn Debug on\n"
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"in the Options menu for the extra information it provides\n"
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"in debugging problems like this.", status);
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systemShutdown(status);
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}
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/* Get user's country and keymap */
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if (RunningAsInit)
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configCountry(NULL);
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/* Add FreeBSD version info to the menu title */
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arch = getsysctlbyname("hw.machine_arch");
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osrel = getsysctlbyname("kern.osrelease");
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ostype = getsysctlbyname("kern.ostype");
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snprintf(titlestr, sizeof(titlestr), "%s/%s %s - %s", ostype, arch,
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osrel, MenuInitial.title);
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free(arch);
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free(osrel);
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free(ostype);
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MenuInitial.title = titlestr;
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/* Begin user dialog at outer menu */
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dialog_clear();
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while (1) {
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choice = scroll = curr = max = 0;
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dmenuOpen(&MenuInitial, &choice, &scroll, &curr, &max, TRUE);
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if (getpid() != 1
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#if defined(__alpha__) || defined(__sparc64__)
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|| !msgNoYes("Are you sure you wish to exit? The system will halt.")
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#else
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|| !msgNoYes("Are you sure you wish to exit? The system will reboot\n"
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"(be sure to remove any floppies/CDs/DVDs from the drives).")
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#endif
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)
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break;
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}
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/* Say goodnight, Gracie */
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systemShutdown(0);
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return 0; /* We should never get here */
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}
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