freebsd-dev/usr.sbin/sade/main.c
2011-11-24 18:37:16 +00:00

124 lines
3.6 KiB
C

/*
* $FreeBSD$
*
* Copyright (c) 1995
* Jordan Hubbard. 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,
* verbatim and that no modifications are made prior to this
* point in the file.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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 "sade.h"
#include <sys/signal.h>
#include <sys/fcntl.h>
const char *StartName; /* Initial contents of argv[0] */
const char *ProgName = "sade";
int
main(int argc, char **argv)
{
int status;
/* Record name to be able to restart */
StartName = argv[0];
signal(SIGPIPE, SIG_IGN);
/* We don't work too well when running as non-root anymore */
if (geteuid() != 0) {
fprintf(stderr, "Error: This utility should only be run as root.\n");
return 1;
}
#ifdef PC98
{
/* XXX */
char *p = getenv("TERM");
if (p && strcmp(p, "cons25") == 0)
setenv("TERM", "cons25w", 1);
}
#endif
/* Set up whatever things need setting up */
systemInitialize(argc, argv);
/* Set default flag and variable values */
installVarDefaults(NULL);
if (argc > 1 && !strcmp(argv[1], "-fake")) {
variable_set2(VAR_DEBUG, "YES", 0);
Fake = TRUE;
msgConfirm("I'll be just faking it from here on out, OK?");
}
if (argc > 1 && !strcmp(argv[1], "-restart"))
Restarting = TRUE;
/* Try to preserve our scroll-back buffer */
if (OnVTY) {
int i;
for (i = 0; i < 25; i++)
putchar('\n');
}
/* Move stderr aside */
if (DebugFD)
dup2(DebugFD, 2);
/* Initialize driver modules, if we haven't already done so (ie,
the user hit Ctrl-C -> Restart. */
if (!pvariable_get("modulesInitialize")) {
pvariable_set("modulesInitialize=1");
}
/* Probe for all relevant devices on the system */
deviceGetAll();
/* First, see if we have any arguments to process (and argv[0] counts if it's not "sysinstall") */
status = setjmp(BailOut);
if (status) {
msgConfirm("A signal %d was caught - I'm saving what I can and shutting\n"
"down. If you can reproduce the problem, please turn Debug on\n"
"in the Options menu for the extra information it provides\n"
"in debugging problems like this.", status);
;
}
/* Begin user dialog at outer menu */
dlg_clear();
while (1) {
dmenuOpen(&MenuMain);
if (getpid() != 1
|| !msgNoYes("Are you sure you wish to exit?")
)
break;
}
/* Shut down curses */
endwin();
return 0;
}