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[PATCH] src/sbin/init style(9)


From: "Alexander 'alxl' Lobachov" <alxl@xxxxxxxxx>
Date: Thu, 21 Jul 2005 19:30:00 +0300

- deregister variables
- use STDERR_FILENO instead of numeric value
- apply some style(9)

-- 
Alexander 'alxl' Lobachov	mailto:alxl@xxxxxxxxx
KeyID:			0x0ACA53C6
Key fingerprint:	8C07 4350 C429 C4E6 B4A9  BF59 1103 9E47 0ACA 53C6
--- src/sbin/init/init.c.OLD	2005-07-21 16:46:33.000000000 +0300
+++ src/sbin/init/init.c	2005-07-21 19:00:21.000000000 +0300
@@ -81,12 +81,12 @@
 /*
  * Sleep times; used to prevent thrashing.
  */
-#define	GETTY_SPACING		 5	/* N secs minimum getty spacing */
-#define	GETTY_SLEEP		30	/* sleep N secs after spacing problem */
-#define GETTY_NSPACE             3      /* max. spacing count to bring reaction */
-#define	WINDOW_WAIT		 3	/* wait N secs after starting window */
-#define	STALL_TIMEOUT		30	/* wait N secs after warning */
-#define	DEATH_WATCH		10	/* wait N secs for procs to die */
+#define	GETTY_SPACING		  5	/* N secs minimum getty spacing */
+#define	GETTY_SLEEP		 30	/* sleep N secs after spacing problem */
+#define GETTY_NSPACE              3     /* max. spacing count to bring reaction */
+#define	WINDOW_WAIT		  3	/* wait N secs after starting window */
+#define	STALL_TIMEOUT		 30	/* wait N secs after warning */
+#define	DEATH_WATCH		 10	/* wait N secs for procs to die */
 #define DEATH_SCRIPT		120	/* wait for 2min for /etc/rc.shutdown */
 #define RESOURCE_RC		"daemon"
 #define RESOURCE_WINDOW 	"default"
@@ -191,7 +191,6 @@ main(int argc, char **argv)
 	sigset_t mask;
 	struct stat sts;
 
-
 	/* Dispose of random users. */
 	if (getuid() != 0)
 		errx(1, "%s", strerror(EPERM));
@@ -202,8 +201,8 @@ main(int argc, char **argv)
 		/* So give them what they want */
 		if (argc > 1) {
 			if (strlen(argv[1]) == 1) {
-				register char runlevel = *argv[1];
-				register int sig;
+				char runlevel = *argv[1];
+				int sig;
 
 				switch (runlevel) {
 					case '0': /* halt + poweroff */
@@ -306,7 +305,7 @@ invalid:
 	delset(&mask, SIGABRT, SIGFPE, SIGILL, SIGSEGV, SIGBUS, SIGSYS,
 		SIGXCPU, SIGXFSZ, SIGHUP, SIGINT, SIGTERM, SIGTSTP, SIGALRM, 
 		SIGUSR1, SIGUSR2, 0);
-	sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+	sigprocmask(SIG_SETMASK, &mask, (sigset_t *)0);
 	sigemptyset(&sa.sa_mask);
 	sa.sa_flags = 0;
 	sa.sa_handler = SIG_IGN;
@@ -328,7 +327,7 @@ invalid:
 	/*
 	 * Should never reach here.
 	 */
-	return 1;
+	return(1);
 }
 
 /*
@@ -351,7 +350,7 @@ handle(sig_t handler, ...)
 		sa.sa_mask = mask_everything;
 		/* XXX SA_RESTART? */
 		sa.sa_flags = sig == SIGCHLD ? SA_NOCLDSTOP : 0;
-		sigaction(sig, &sa, (struct sigaction *) 0);
+		sigaction(sig, &sa, (struct sigaction *)0);
 	}
 	va_end(ap);
 }
@@ -461,15 +460,15 @@ getsecuritylevel(void)
 
 	name[0] = CTL_KERN;
 	name[1] = KERN_SECURELVL;
-	len = sizeof curlevel;
+	len = sizeof(curlevel);
 	if (sysctl(name, 2, &curlevel, &len, NULL, 0) == -1) {
 		emergency("cannot get kernel security level: %s",
 		    strerror(errno));
-		return (-1);
+		return(-1);
 	}
-	return (curlevel);
+	return(curlevel);
 #else
-	return (-1);
+	return(-1);
 #endif
 }
 
@@ -493,11 +492,11 @@ get_chroot(void)
 	oidlen = __arysize(real_oid);
 	if (sysctlnametomib("kern.environment", real_oid, &oidlen)) {
 		warning("cannot find kern.environment base sysctl OID");
-		return NULL;
+		return(NULL);
 	}
 	if (oidlen + 1 >= __arysize(real_oid)) {
 		warning("kern.environment OID is too large!");
-		return NULL;
+		return(NULL);
 	}
 	res = NULL;
 	real_oid[oidlen] = 0;
@@ -541,7 +540,7 @@ setsecuritylevel(int newlevel)
 		return;
 	name[0] = CTL_KERN;
 	name[1] = KERN_SECURELVL;
-	if (sysctl(name, 2, NULL, NULL, &newlevel, sizeof newlevel) == -1) {
+	if (sysctl(name, 2, NULL, NULL, &newlevel, sizeof(newlevel)) == -1) {
 		emergency(
 		    "cannot change kernel security level from %d to %d: %s",
 		    curlevel, newlevel, strerror(errno));
@@ -562,7 +561,7 @@ static void
 transition(state_t s)
 {
 	for (;;)
-		s = (state_t) (*s)();
+		s = (state_t)(*s)();
 }
 
 /*
@@ -645,7 +644,7 @@ single_user(void)
 		pp = getpwnam("root");
 		if (typ && (typ->ty_status & TTY_SECURE) == 0 &&
 		    pp && *pp->pw_passwd) {
-			write(2, banner, sizeof banner - 1);
+			write(STDERR_FILENO, banner, sizeof(banner) - 1);
 			for (;;) {
 				clear = getpass("Password:");
 				if (clear == 0 || *clear == '\0')
@@ -684,7 +683,7 @@ single_user(void)
 		 * and those are reset to SIG_DFL on exec.
 		 */
 		sigemptyset(&mask);
-		sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+		sigprocmask(SIG_SETMASK, &mask, (sigset_t *)0);
 
 		/*
 		 * Fire off a shell.
@@ -705,9 +704,9 @@ single_user(void)
 		 * We are seriously hosed.  Do our best.
 		 */
 		emergency("can't fork single-user shell, trying again");
-		while (waitpid(-1, (int *) 0, WNOHANG) > 0)
+		while (waitpid(-1, (int *)0, WNOHANG) > 0)
 			continue;
-		return (state_func_t) single_user;
+		return((state_func_t) single_user);
 	}
 
 	requested_transition = 0;
@@ -718,7 +717,7 @@ single_user(void)
 			if (errno == EINTR)
 				continue;
 			warning("wait for single-user shell failed: %m; restarting");
-			return (state_func_t) single_user;
+			return((state_func_t) single_user);
 		}
 		if (wpid == pid && WIFSTOPPED(status)) {
 			warning("init: shell stopped, restarting\n");
@@ -728,7 +727,7 @@ single_user(void)
 	} while (wpid != pid && !requested_transition);
 
 	if (requested_transition)
-		return (state_func_t) requested_transition;
+		return((state_func_t)requested_transition);
 
 	if (!WIFEXITED(status)) {
 		if (WTERMSIG(status) == SIGKILL) {
@@ -740,12 +739,12 @@ single_user(void)
 			_exit(0);
 		} else {
 			warning("single user shell terminated, restarting");
-			return (state_func_t) single_user;
+			return((state_func_t)single_user);
 		}
 	}
 
 	runcom_mode = FASTBOOT;
-	return (state_func_t) runcom;
+	return((state_func_t)runcom);
 }
 
 /*
@@ -773,7 +772,7 @@ runcom(void)
 		argv[2] = runcom_mode == AUTOBOOT ? "autoboot" : 0;
 		argv[3] = 0;
 
-		sigprocmask(SIG_SETMASK, &sa.sa_mask, (sigset_t *) 0);
+		sigprocmask(SIG_SETMASK, &sa.sa_mask, (sigset_t *)0);
 
 #ifdef LOGIN_CAP
 		setprocresources(RESOURCE_RC);
@@ -786,10 +785,10 @@ runcom(void)
 	if (pid == -1) {
 		emergency("can't fork for %s on %s: %m",
 			_PATH_BSHELL, _PATH_RUNCOM);
-		while (waitpid(-1, (int *) 0, WNOHANG) > 0)
+		while (waitpid(-1, (int *)0, WNOHANG) > 0)
 			continue;
 		sleep(STALL_TIMEOUT);
-		return (state_func_t) single_user;
+		return((state_func_t)single_user);
 	}
 
 	/*
@@ -801,12 +800,12 @@ runcom(void)
 			collect_child(wpid);
 		if (wpid == -1) {
 			if (requested_transition == death)
-				return (state_func_t) death;
+				return((state_func_t)death);
 			if (errno == EINTR)
 				continue;
 			warning("wait for %s on %s failed: %m; going to single user mode",
 				_PATH_BSHELL, _PATH_RUNCOM);
-			return (state_func_t) single_user;
+			return((state_func_t)single_user);
 		}
 		if (wpid == pid && WIFSTOPPED(status)) {
 			warning("init: %s on %s stopped, restarting\n",
@@ -829,16 +828,16 @@ runcom(void)
 	if (!WIFEXITED(status)) {
 		warning("%s on %s terminated abnormally, going to single user mode",
 			_PATH_BSHELL, _PATH_RUNCOM);
-		return (state_func_t) single_user;
+		return((state_func_t)single_user);
 	}
 
 	if (WEXITSTATUS(status))
-		return (state_func_t) single_user;
+		return((state_func_t)single_user);
 
 	runcom_mode = AUTOBOOT;		/* the default */
 	/* NB: should send a message to the session logger to avoid blocking. */
 	logwtmp("~", "reboot", "");
-	return (state_func_t) read_ttys;
+	return((state_func_t)read_ttys);
 }
 
 /*
@@ -853,9 +852,9 @@ start_session_db(void)
 		emergency("session database close: %s", strerror(errno));
 	if ((session_db = dbopen(NULL, O_RDWR, 0, DB_HASH, NULL)) == 0) {
 		emergency("session database open: %s", strerror(errno));
-		return (1);
+		return(1);
 	}
-	return (0);
+	return(0);
 
 }
 
@@ -869,9 +868,9 @@ add_session(session_t *sp)
 	DBT data;
 
 	key.data = &sp->se_process;
-	key.size = sizeof sp->se_process;
+	key.size = sizeof(sp->se_process);
 	data.data = &sp;
-	data.size = sizeof sp;
+	data.size = sizeof(sp);
 
 	if ((*session_db->put)(session_db, &key, &data, 0))
 		emergency("insert %d: %s", sp->se_process, strerror(errno));
@@ -886,7 +885,7 @@ del_session(session_t *sp)
 	DBT key;
 
 	key.data = &sp->se_process;
-	key.size = sizeof sp->se_process;
+	key.size = sizeof(sp->se_process);
 
 	if ((*session_db->del)(session_db, &key, 0))
 		emergency("delete %d: %s", sp->se_process, strerror(errno));
@@ -903,11 +902,11 @@ find_session(pid_t pid)
 	session_t *ret;
 
 	key.data = &pid;
-	key.size = sizeof pid;
+	key.size = sizeof(pid);
 	if ((*session_db->get)(session_db, &key, &data, 0) != 0)
-		return 0;
+		return(0);
 	bcopy(data.data, (char *)&ret, sizeof(ret));
-	return ret;
+	return(ret);
 }
 
 /*
@@ -918,22 +917,22 @@ construct_argv(char *command)
 {
 	int argc = 0;
 	char **argv = malloc(((strlen(command) + 1) / 2 + 1)
-						* sizeof (char *));
+						* sizeof(char *));
 
 	if ((argv[argc++] = strk(command)) == 0) {
 		free(argv);
-		return (NULL);
+		return(NULL);
 	}
-	while ((argv[argc++] = strk((char *) 0)) != NULL)
+	while ((argv[argc++] = strk((char *)0)) != NULL)
 		continue;
-	return argv;
+	return(argv);
 }
 
 /*
  * Deallocate a session descriptor.
  */
 static void
-free_session(register session_t *sp)
+free_session(session_t *sp)
 {
 	free(sp->se_device);
 	if (sp->se_getty) {
@@ -956,17 +955,17 @@ free_session(register session_t *sp)
  * Mark it SE_PRESENT.
  */
 static session_t *
-new_session(session_t *sprev, int session_index, register struct ttyent *typ)
+new_session(session_t *sprev, int session_index, struct ttyent *typ)
 {
-	register session_t *sp;
+	session_t *sp;
 	int fd;
 
 	if ((typ->ty_status & TTY_ON) == 0 ||
 	    typ->ty_name == 0 ||
 	    typ->ty_getty == 0)
-		return 0;
+		return(0);
 
-	sp = (session_t *) calloc(1, sizeof (session_t));
+	sp = (session_t *) calloc(1, sizeof(session_t));
 
 	sp->se_index = session_index;
 	sp->se_flags |= SE_PRESENT;
@@ -981,14 +980,14 @@ new_session(session_t *sprev, int sessio
 	if ((fd = open(sp->se_device, O_RDONLY | O_NONBLOCK, 0)) < 0) {
 		if (errno == ENXIO) {
 			free_session(sp);
-			return (0);
+			return(0);
 		}
 	} else
 		close(fd);
 
 	if (setupargv(sp, typ) == 0) {
 		free_session(sp);
-		return (0);
+		return(0);
 	}
 
 	sp->se_next = 0;
@@ -1000,7 +999,7 @@ new_session(session_t *sprev, int sessio
 		sp->se_prev = sprev;
 	}
 
-	return sp;
+	return(sp);
 }
 
 /*
@@ -1024,7 +1023,7 @@ setupargv(session_t *sp, struct ttyent *
 		free(sp->se_getty);
 		free(sp->se_getty_argv_space);
 		sp->se_getty = sp->se_getty_argv_space = 0;
-		return (0);
+		return(0);
 	}
 	if (sp->se_window) {
 		free(sp->se_window);
@@ -1043,13 +1042,13 @@ setupargv(session_t *sp, struct ttyent *
 			free(sp->se_window_argv_space);
 			free(sp->se_window);
 			sp->se_window = sp->se_window_argv_space = 0;
-			return (0);
+			return(0);
 		}
 	}
 	if (sp->se_type)
 		free(sp->se_type);
 	sp->se_type = typ->ty_type ? strdup(typ->ty_type) : 0;
-	return (1);
+	return(1);
 }
 
 /*
@@ -1059,8 +1058,8 @@ static state_func_t
 read_ttys(void)
 {
 	int session_index = 0;
-	register session_t *sp, *snext;
-	register struct ttyent *typ;
+	session_t *sp, *snext;
+	struct ttyent *typ;
 
 	/*
 	 * Destroy any previous session state.
@@ -1074,7 +1073,7 @@ read_ttys(void)
 	}
 	sessions = 0;
 	if (start_session_db())
-		return (state_func_t) single_user;
+		return((state_func_t)single_user);
 
 	/*
 	 * Allocate a session entry for each active port.
@@ -1086,7 +1085,7 @@ read_ttys(void)
 
 	endttyent();
 
-	return (state_func_t) multi_user;
+	return((state_func_t)multi_user);
 }
 
 /*
@@ -1110,7 +1109,7 @@ start_window_system(session_t *sp)
 		return;
 
 	sigemptyset(&mask);
-	sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+	sigprocmask(SIG_SETMASK, &mask, (sigset_t *)0);
 
 	if (setsid() < 0)
 		emergency("setsid failed (window) %m");
@@ -1141,7 +1140,7 @@ start_getty(session_t *sp)
 {
 	pid_t pid;
 	sigset_t mask;
-	time_t current_time = time((time_t *) 0);
+	time_t current_time = time((time_t *)0);
 	int too_quick = 0;
 	char term[64], *env[2];
 
@@ -1159,16 +1158,16 @@ start_getty(session_t *sp)
 	 */
 	if ((pid = fork()) == -1) {
 		emergency("can't fork for getty on port %s: %m", sp->se_device);
-		return -1;
+		return(-1);
 	}
 
 	if (pid)
-		return pid;
+		return(pid);
 
 	if (too_quick) {
 		warning("getty repeating too quickly on port %s, sleeping %d secs",
 			sp->se_device, GETTY_SLEEP);
-		sleep((unsigned) GETTY_SLEEP);
+		sleep((unsigned)GETTY_SLEEP);
 	}
 
 	if (sp->se_window) {
@@ -1177,7 +1176,7 @@ start_getty(session_t *sp)
 	}
 
 	sigemptyset(&mask);
-	sigprocmask(SIG_SETMASK, &mask, (sigset_t *) 0);
+	sigprocmask(SIG_SETMASK, &mask, (sigset_t *)0);
 
 #ifdef LOGIN_CAP
 	setprocresources(RESOURCE_GETTY);
@@ -1204,12 +1203,12 @@ start_getty(session_t *sp)
 static void
 collect_child(pid_t pid)
 {
-	register session_t *sp, *sprev, *snext;
+	session_t *sp, *sprev, *snext;
 
-	if (! sessions)
+	if (!sessions)
 		return;
 
-	if (! (sp = find_session(pid)))
+	if (!(sp = find_session(pid)))
 		return;
 
 	clear_session_logs(sp);
@@ -1234,7 +1233,7 @@ collect_child(pid_t pid)
 	}
 
 	sp->se_process = pid;
-	sp->se_started = time((time_t *) 0);
+	sp->se_started = time((time_t *)0);
 	add_session(sp);
 }
 
@@ -1274,7 +1273,7 @@ static state_func_t
 multi_user(void)
 {
 	pid_t pid;
-	register session_t *sp;
+	session_t *sp;
 
 	requested_transition = 0;
 
@@ -1296,15 +1295,15 @@ multi_user(void)
 			break;
 		}
 		sp->se_process = pid;
-		sp->se_started = time((time_t *) 0);
+		sp->se_started = time((time_t *)0);
 		add_session(sp);
 	}
 
 	while (!requested_transition)
-		if ((pid = waitpid(-1, (int *) 0, 0)) != -1)
+		if ((pid = waitpid(-1, (int *)0, 0)) != -1)
 			collect_child(pid);
 
-	return (state_func_t) requested_transition;
+	return((state_func_t)requested_transition);
 }
 
 /*
@@ -1313,14 +1312,14 @@ multi_user(void)
 static state_func_t
 clean_ttys(void)
 {
-	register session_t *sp, *sprev;
-	register struct ttyent *typ;
-	register int session_index = 0;
-	register int devlen;
+	session_t *sp, *sprev;
+	struct ttyent *typ;
+	int session_index = 0;
+	int devlen;
 	char *old_getty, *old_window, *old_type;
 
-	if (! sessions)
-		return (state_func_t) multi_user;
+	if (!sessions)
+		return((state_func_t)multi_user);
 
 	/* 
 	 * mark all sessions for death, (!SE_PRESENT) 
@@ -1402,7 +1401,7 @@ clean_ttys(void)
 		}
 	}
 
-	return (state_func_t) multi_user;
+	return((state_func_t)multi_user);
 }
 
 /*
@@ -1411,12 +1410,12 @@ clean_ttys(void)
 static state_func_t
 catatonia(void)
 {
-	register session_t *sp;
+	session_t *sp;
 
 	for (sp = sessions; sp; sp = sp->se_next)
 		sp->se_flags |= SE_SHUTDOWN;
 
-	return (state_func_t) multi_user;
+	return((state_func_t)multi_user);
 }
 
 /*
@@ -1452,7 +1451,7 @@ death(void)
     
 	for (i = 0; i < 2; ++i) {
 		if (kill(-1, death_sigs[i]) == -1 && errno == ESRCH)
-			return (state_func_t) single_user;
+			return((state_func_t)single_user);
 
 		clang = 0;
 		alarm(DEATH_WATCH);
@@ -1462,12 +1461,12 @@ death(void)
 		while (clang == 0 && errno != ECHILD);
 
 		if (errno == ECHILD)
-			return (state_func_t) single_user;
+			return((state_func_t)single_user);
 	}
 
 	warning("some processes would not die; ps axl advised");
 
-	return (state_func_t) single_user;
+	return((state_func_t)single_user);
 }
 
 /*
@@ -1497,10 +1496,10 @@ runshutdown(void)
 	 * reasons, we'll let the shell complain.
 	 */
 	if (stat(_PATH_RUNDOWN, &sb) == -1 && errno == ENOENT)
-		return 0;
+		return(0);
 
 	if ((pid = fork()) == 0) {
-		int	fd;
+		int fd;
 
 		/* Assume that init already grab console as ctty before */
 
@@ -1531,7 +1530,7 @@ runshutdown(void)
 			argv[2] = "single";
 		argv[3] = 0;
 
-		sigprocmask(SIG_SETMASK, &sa.sa_mask, (sigset_t *) 0);
+		sigprocmask(SIG_SETMASK, &sa.sa_mask, (sigset_t *)0);
 
 #ifdef LOGIN_CAP
 		setprocresources(RESOURCE_RC);
@@ -1544,10 +1543,10 @@ runshutdown(void)
 	if (pid == -1) {
 		emergency("can't fork for %s on %s: %m",
 			_PATH_BSHELL, _PATH_RUNDOWN);
-		while (waitpid(-1, (int *) 0, WNOHANG) > 0)
+		while (waitpid(-1, (int *)0, WNOHANG) > 0)
 			continue;
 		sleep(STALL_TIMEOUT);
-		return -1;
+		return(-1);
 	}
 
 	len = sizeof(shutdowntimeout);
@@ -1569,14 +1568,14 @@ runshutdown(void)
 			kill(wpid, SIGTERM);
 			warning("timeout expired for %s on %s: %m; going to single user mode",
 				_PATH_BSHELL, _PATH_RUNDOWN);
-			return -1;
+			return(-1);
 		}
 		if (wpid == -1) {
 			if (errno == EINTR)
 				continue;
 			warning("wait for %s on %s failed: %m; going to single user mode",
 				_PATH_BSHELL, _PATH_RUNDOWN);
-			return -1;
+			return(-1);
 		}
 		if (wpid == pid && WIFSTOPPED(status)) {
 			warning("init: %s on %s stopped, restarting\n",
@@ -1605,13 +1604,13 @@ runshutdown(void)
 	if (!WIFEXITED(status)) {
 		warning("%s on %s terminated abnormally, going to single user mode",
 			_PATH_BSHELL, _PATH_RUNDOWN);
-		return -2;
+		return(-2);
 	}
 
 	if ((status = WEXITSTATUS(status)) != 0)
 		warning("%s returned status %d", _PATH_RUNDOWN, status);
 
-	return status;
+	return(status);
 }
 
 static char *
@@ -1624,14 +1623,14 @@ strk(char *p)
     if (p)
 	t = p;
     if (!t)
-	return 0;
+	return(0);
 
     c = *t;
     while (c == ' ' || c == '\t' )
 	c = *++t;
     if (!c) {
 	t = 0;
-	return 0;
+	return(0);
     }
     q = t;
     if (c == '\'') {
@@ -1650,7 +1649,7 @@ strk(char *p)
 	if (!c)
 	    t = 0;
     }
-    return q;
+    return(q);
 }
 
 #ifdef LOGIN_CAP

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