Some formatting updates (ran the code through indent)

 -Erik

1 files changed, 279 insertions, 273 deletions

diff --git a/syslogd.c b/syslogd.c
index c48d5a4..db53504 100644
--- a/syslogd.c
+++ b/syslogd.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /*
  * Mini syslogd implementation for busybox
  *
@@ -49,266 +50,272 @@ extern int ksyslog(int type, char *buf, int len);
 #define __LOG_FILE		"/var/log/messages"
 
 
-static char* logFilePath = __LOG_FILE;
+static char *logFilePath = __LOG_FILE;
+
 /* interval between marks in seconds */
-static int MarkInterval = 20*60;
+static int MarkInterval = 20 * 60;
+
 /* localhost's name */
 static char LocalHostName[32];
 
 static const char syslogd_usage[] =
-    "syslogd [OPTION]...\n\n"
-    "Linux system and kernel (provides klogd) logging utility.\n"
-    "Note that this version of syslogd/klogd ignores /etc/syslog.conf.\n\n"
-    "Options:\n"
-    "\t-m\tChange the mark timestamp interval. default=20min. 0=off\n"
-    "\t-n\tDo not fork into the background (for when run by init)\n"
+	"syslogd [OPTION]...\n\n"
+	"Linux system and kernel (provides klogd) logging utility.\n"
+	"Note that this version of syslogd/klogd ignores /etc/syslog.conf.\n\n"
+	"Options:\n"
+	"\t-m\tChange the mark timestamp interval. default=20min. 0=off\n"
+	"\t-n\tDo not fork into the background (for when run by init)\n"
 #ifdef BB_KLOGD
-    "\t-K\tDo not start up the klogd process (by default syslogd spawns klogd).\n"
+	"\t-K\tDo not start up the klogd process (by default syslogd spawns klogd).\n"
 #endif
-    "\t-O\tSpecify an alternate log file.  default=/var/log/messages\n";
+	"\t-O\tSpecify an alternate log file.  default=/var/log/messages\n";
 
 
 /* print a message to the log file */
 static void message(char *fmt, ...)
 {
-    int fd;
-    va_list arguments;
-
-    if ((fd = device_open(logFilePath, O_WRONLY|O_CREAT|O_NOCTTY|O_APPEND|O_NONBLOCK)) >= 0) {
-	va_start(arguments, fmt);
-	vdprintf(fd, fmt, arguments);
-	va_end(arguments);
-	close(fd);
-    } else {
-	/* Always send console messages to /dev/console so people will see them. */
-	if ((fd = device_open(_PATH_CONSOLE, O_WRONLY|O_NOCTTY|O_NONBLOCK)) >= 0) {
-	    va_start(arguments, fmt);
-	    vdprintf(fd, fmt, arguments);
-	    va_end(arguments);
-	    close(fd);
+	int fd;
+	va_list arguments;
+
+	if (
+		(fd =
+		 device_open(logFilePath,
+					 O_WRONLY | O_CREAT | O_NOCTTY | O_APPEND |
+					 O_NONBLOCK)) >= 0) {
+		va_start(arguments, fmt);
+		vdprintf(fd, fmt, arguments);
+		va_end(arguments);
+		close(fd);
 	} else {
-	    fprintf(stderr, "Bummer, can't print: ");
-	    va_start(arguments, fmt);
-	    vfprintf(stderr, fmt, arguments);
-	    fflush(stderr);
-	    va_end(arguments);
+		/* Always send console messages to /dev/console so people will see them. */
+		if (
+			(fd =
+			 device_open(_PATH_CONSOLE,
+						 O_WRONLY | O_NOCTTY | O_NONBLOCK)) >= 0) {
+			va_start(arguments, fmt);
+			vdprintf(fd, fmt, arguments);
+			va_end(arguments);
+			close(fd);
+		} else {
+			fprintf(stderr, "Bummer, can't print: ");
+			va_start(arguments, fmt);
+			vfprintf(stderr, fmt, arguments);
+			fflush(stderr);
+			va_end(arguments);
+		}
 	}
-    }
 }
 
-static void logMessage( int pri, char* msg) 
+static void logMessage(int pri, char *msg)
 {
-    time_t  now;
-    char *timestamp;
-    static char res[20];
-    CODE *c_pri, *c_fac;
-
-    for (c_fac=facilitynames; c_fac->c_name && !(c_fac->c_val==LOG_FAC(pri)<<3); c_fac++);
-    for (c_pri=prioritynames; c_pri->c_name && !(c_pri->c_val==LOG_PRI(pri)); c_pri++);
-    if (*c_fac->c_name=='\0' || *c_pri->c_name=='\0')
-	snprintf (res, sizeof(res), "<%d>", pri);
-    else
-	snprintf (res, sizeof(res), "%s.%s", c_fac->c_name, c_pri->c_name);
-
-    if (strlen(msg) < 16 || msg[3] != ' ' || msg[6] != ' ' || 
-	    msg[9] != ':' || msg[12] != ':' || msg[15] != ' ') 
-    {
-	time(&now);
-	timestamp = ctime(&now) + 4;
-	timestamp[15] = '\0';
-    } else {
-	timestamp = msg;
-	timestamp[15] = '\0';
-	msg += 16;
-    }
-
-    /* todo: supress duplicates */
-
-    /* now spew out the message to wherever it is supposed to go */
-    message( "%s %s %s %s\n", timestamp, LocalHostName, res, msg);
+	time_t now;
+	char *timestamp;
+	static char res[20];
+	CODE *c_pri, *c_fac;
+
+	for (c_fac = facilitynames;
+		 c_fac->c_name && !(c_fac->c_val == LOG_FAC(pri) << 3); c_fac++);
+	for (c_pri = prioritynames;
+		 c_pri->c_name && !(c_pri->c_val == LOG_PRI(pri)); c_pri++);
+	if (*c_fac->c_name == '\0' || *c_pri->c_name == '\0')
+		snprintf(res, sizeof(res), "<%d>", pri);
+	else
+		snprintf(res, sizeof(res), "%s.%s", c_fac->c_name, c_pri->c_name);
+
+	if (strlen(msg) < 16 || msg[3] != ' ' || msg[6] != ' ' ||
+		msg[9] != ':' || msg[12] != ':' || msg[15] != ' ') {
+		time(&now);
+		timestamp = ctime(&now) + 4;
+		timestamp[15] = '\0';
+	} else {
+		timestamp = msg;
+		timestamp[15] = '\0';
+		msg += 16;
+	}
+
+	/* todo: supress duplicates */
+
+	/* now spew out the message to wherever it is supposed to go */
+	message("%s %s %s %s\n", timestamp, LocalHostName, res, msg);
 }
 
 static void quit_signal(int sig)
 {
-    logMessage(LOG_SYSLOG|LOG_INFO, "System log daemon exiting.");
-    unlink( _PATH_LOG);
-    exit( TRUE);
+	logMessage(LOG_SYSLOG | LOG_INFO, "System log daemon exiting.");
+	unlink(_PATH_LOG);
+	exit(TRUE);
 }
 
 static void restart_signal(int sig)
 {
-    /* pretend to restart */
-    logMessage(LOG_SYSLOG|LOG_INFO, "syslogd restarting");
+	/* pretend to restart */
+	logMessage(LOG_SYSLOG | LOG_INFO, "syslogd restarting");
 }
 
 static void domark(int sig)
 {
-    if (MarkInterval > 0) {
-	logMessage(LOG_SYSLOG|LOG_INFO, "-- MARK --");
-	alarm(MarkInterval);
-    }
+	if (MarkInterval > 0) {
+		logMessage(LOG_SYSLOG | LOG_INFO, "-- MARK --");
+		alarm(MarkInterval);
+	}
 }
 
 static void doSyslogd(void)
 {
-    struct sockaddr_un sunx;
-    int fd, conn;
-    size_t addrLength;
-    char buf[1024];
-    char *q, *p = buf;
-    int readSize;
-
-    /* Set up sig handlers */
-    signal(SIGINT,  quit_signal);
-    signal(SIGTERM, quit_signal);
-    signal(SIGQUIT, quit_signal);
-    signal(SIGHUP,  restart_signal);
-    signal(SIGALRM, domark);
-    alarm(MarkInterval);
-
-    /* Remove any preexisting socket/file */
-    unlink(_PATH_LOG);
-
-    memset(&sunx, 0, sizeof(sunx));
-    sunx.sun_family = AF_UNIX;	/* Unix domain socket */
-    strncpy(sunx.sun_path, _PATH_LOG, sizeof(sunx.sun_path));
-    if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0 ) {
-        perror("Couldn't obtain descriptor for socket " _PATH_LOG);
-	exit( FALSE);
-    }
-
-    addrLength = sizeof(sunx.sun_family) + strlen(sunx.sun_path);
-    if ( (bind(fd, (struct sockaddr *) &sunx, addrLength)) ||
-	    (listen(fd, 5)) ) 
-    {
-	perror("Could not connect to socket " _PATH_LOG);
-	exit( FALSE);
-    }
-    
-    umask(0);
-    if (chmod(_PATH_LOG, 0666) < 0) {
-        perror("Could not set permission on " _PATH_LOG);
-        exit (FALSE);
-    }
-    
-    logMessage(LOG_SYSLOG|LOG_INFO, "syslogd started: "
-	    "BusyBox v" BB_VER " (" BB_BT ")");
-
-
-    while ((conn = accept(fd, (struct sockaddr *) &sunx, 
-                          &addrLength)) >= 0) 
-    {
-	while ((readSize=read(conn, buf, sizeof(buf))) > 0)
-	{
-	    char line[1025];
-	    unsigned char c;
-	    int pri = (LOG_USER|LOG_NOTICE);
-
-	    memset (line, 0, sizeof(line));
-	    p = buf;
-	    q = line;
-	    while ( p && (c = *p) && q < &line[sizeof(line) - 1]) {
-		if (c == '<') {
-		    /* Parse the magic priority number */
-		    pri = 0;
-		    while (isdigit(*(++p))) {
-			pri = 10 * pri + (*p - '0');
-		    }
-		    if (pri &~ (LOG_FACMASK|LOG_PRIMASK))
-			pri = (LOG_USER|LOG_NOTICE);
-		} else if (c == '\n') {
-		    *q++ = ' ';
-		} else if (iscntrl(c)&&(c<0177)) {
-		    *q++ = '^';
-		    *q++ = c ^ 0100;
-		} else {
-		    *q++ = c;
-		}
-		p++;
-	    }
-	    *q = '\0';
+	struct sockaddr_un sunx;
+	int fd, conn;
+	size_t addrLength;
+	char buf[1024];
+	char *q, *p = buf;
+	int readSize;
+
+	/* Set up sig handlers */
+	signal(SIGINT, quit_signal);
+	signal(SIGTERM, quit_signal);
+	signal(SIGQUIT, quit_signal);
+	signal(SIGHUP, restart_signal);
+	signal(SIGALRM, domark);
+	alarm(MarkInterval);
+
+	/* Remove any preexisting socket/file */
+	unlink(_PATH_LOG);
+
+	memset(&sunx, 0, sizeof(sunx));
+	sunx.sun_family = AF_UNIX;	/* Unix domain socket */
+	strncpy(sunx.sun_path, _PATH_LOG, sizeof(sunx.sun_path));
+	if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) {
+		perror("Couldn't obtain descriptor for socket " _PATH_LOG);
+		exit(FALSE);
+	}
 
-	    /* Now log it */
-	    logMessage( pri, line);
+	addrLength = sizeof(sunx.sun_family) + strlen(sunx.sun_path);
+	if ((bind(fd, (struct sockaddr *) &sunx, addrLength)) ||
+		(listen(fd, 5))) {
+		perror("Could not connect to socket " _PATH_LOG);
+		exit(FALSE);
 	}
-        close(conn);
-    }
 
-    close(fd);
+	umask(0);
+	if (chmod(_PATH_LOG, 0666) < 0) {
+		perror("Could not set permission on " _PATH_LOG);
+		exit(FALSE);
+	}
+
+	logMessage(LOG_SYSLOG | LOG_INFO, "syslogd started: "
+			   "BusyBox v" BB_VER " (" BB_BT ")");
+
+
+	while ((conn = accept(fd, (struct sockaddr *) &sunx,
+						  &addrLength)) >= 0) {
+		while ((readSize = read(conn, buf, sizeof(buf))) > 0) {
+			char line[1025];
+			unsigned char c;
+			int pri = (LOG_USER | LOG_NOTICE);
+
+			memset(line, 0, sizeof(line));
+			p = buf;
+			q = line;
+			while (p && (c = *p) && q < &line[sizeof(line) - 1]) {
+				if (c == '<') {
+					/* Parse the magic priority number */
+					pri = 0;
+					while (isdigit(*(++p))) {
+						pri = 10 * pri + (*p - '0');
+					}
+					if (pri & ~(LOG_FACMASK | LOG_PRIMASK))
+						pri = (LOG_USER | LOG_NOTICE);
+				} else if (c == '\n') {
+					*q++ = ' ';
+				} else if (iscntrl(c) && (c < 0177)) {
+					*q++ = '^';
+					*q++ = c ^ 0100;
+				} else {
+					*q++ = c;
+				}
+				p++;
+			}
+			*q = '\0';
+
+			/* Now log it */
+			logMessage(pri, line);
+		}
+		close(conn);
+	}
+
+	close(fd);
 }
 
 #ifdef BB_KLOGD
 
 static void klogd_signal(int sig)
 {
-    ksyslog(7, NULL, 0);
-    ksyslog(0, 0, 0);
-    logMessage(LOG_SYSLOG|LOG_INFO, "Kernel log daemon exiting.");
-    exit( TRUE);
+	ksyslog(7, NULL, 0);
+	ksyslog(0, 0, 0);
+	logMessage(LOG_SYSLOG | LOG_INFO, "Kernel log daemon exiting.");
+	exit(TRUE);
 }
 
 static void doKlogd(void)
 {
-    int priority=LOG_INFO;
-    char log_buffer[4096];
-    char *logp;
-
-    /* Set up sig handlers */
-    signal(SIGINT,  klogd_signal);
-    signal(SIGKILL, klogd_signal);
-    signal(SIGTERM, klogd_signal);
-    signal(SIGHUP,  klogd_signal);
-    logMessage(LOG_SYSLOG|LOG_INFO, "klogd started: "
-	    "BusyBox v" BB_VER " (" BB_BT ")");
-
-    ksyslog(1, NULL, 0);
-
-    while (1) {
-	/* Use kernel syscalls */
-	memset(log_buffer, '\0', sizeof(log_buffer));
-	if ( ksyslog(2, log_buffer, sizeof(log_buffer)) < 0 ) {
-	    char message[80];
-	    if ( errno == EINTR )
-		continue;
-	    snprintf(message, 79, "klogd: Error return from sys_sycall: " \
-		    "%d - %s.\n", errno, strerror(errno));
-	    logMessage(LOG_SYSLOG|LOG_ERR, message);
-	    exit(1);
+	int priority = LOG_INFO;
+	char log_buffer[4096];
+	char *logp;
+
+	/* Set up sig handlers */
+	signal(SIGINT, klogd_signal);
+	signal(SIGKILL, klogd_signal);
+	signal(SIGTERM, klogd_signal);
+	signal(SIGHUP, klogd_signal);
+	logMessage(LOG_SYSLOG | LOG_INFO, "klogd started: "
+			   "BusyBox v" BB_VER " (" BB_BT ")");
+
+	ksyslog(1, NULL, 0);
+
+	while (1) {
+		/* Use kernel syscalls */
+		memset(log_buffer, '\0', sizeof(log_buffer));
+		if (ksyslog(2, log_buffer, sizeof(log_buffer)) < 0) {
+			char message[80];
+
+			if (errno == EINTR)
+				continue;
+			snprintf(message, 79, "klogd: Error return from sys_sycall: " \
+					 "%d - %s.\n", errno, strerror(errno));
+			logMessage(LOG_SYSLOG | LOG_ERR, message);
+			exit(1);
+		}
+		logp = log_buffer;
+		if (*log_buffer == '<') {
+			switch (*(log_buffer + 1)) {
+			case '0':
+				priority = LOG_EMERG;
+				break;
+			case '1':
+				priority = LOG_ALERT;
+				break;
+			case '2':
+				priority = LOG_CRIT;
+				break;
+			case '3':
+				priority = LOG_ERR;
+				break;
+			case '4':
+				priority = LOG_WARNING;
+				break;
+			case '5':
+				priority = LOG_NOTICE;
+				break;
+			case '6':
+				priority = LOG_INFO;
+				break;
+			case '7':
+			default:
+				priority = LOG_DEBUG;
+			}
+			logp += 3;
+		}
+		logMessage(LOG_KERN | priority, logp);
 	}
-	logp=log_buffer;
-        if ( *log_buffer == '<' )
-        {
-	    switch ( *(log_buffer+1) )
-	    {
-		case '0':
-		    priority = LOG_EMERG;
-		    break;
-		case '1':
-		    priority = LOG_ALERT;
-		    break;
-		case '2':
-		    priority = LOG_CRIT;
-		    break;
-		case '3':
-		    priority = LOG_ERR;
-		    break;
-		case '4':
-		    priority = LOG_WARNING;
-		    break;
-		case '5':
-		    priority = LOG_NOTICE;
-		    break;
-		case '6':
-		    priority = LOG_INFO;
-		    break;
-		case '7':
-		default:
-		    priority = LOG_DEBUG;
-	    }
-	    logp+=3;
-        }
-	logMessage(LOG_KERN|priority, logp);
-    }
 
 }
 
@@ -316,76 +323,75 @@ static void doKlogd(void)
 
 extern int syslogd_main(int argc, char **argv)
 {
-    int	pid, klogd_pid;
-    int doFork = TRUE;
+	int pid, klogd_pid;
+	int doFork = TRUE;
+
 #ifdef BB_KLOGD
-    int startKlogd = TRUE;
+	int startKlogd = TRUE;
 #endif
-    int stopDoingThat = FALSE;
-    char *p;
-    char **argv1=argv;
-    
-    while (--argc > 0 && **(++argv1) == '-') {
-	stopDoingThat = FALSE;
-	while (stopDoingThat == FALSE && *(++(*argv1))) {
-	    switch (**argv1) {
-	    case 'm':
-		if (--argc == 0) {
-		    usage(syslogd_usage);
-		}
-		MarkInterval = atoi(*(++argv1))*60;
-		break;
-	    case 'n':
-		doFork = FALSE;
-		break;
+	int stopDoingThat = FALSE;
+	char *p;
+	char **argv1 = argv;
+
+	while (--argc > 0 && **(++argv1) == '-') {
+		stopDoingThat = FALSE;
+		while (stopDoingThat == FALSE && *(++(*argv1))) {
+			switch (**argv1) {
+			case 'm':
+				if (--argc == 0) {
+					usage(syslogd_usage);
+				}
+				MarkInterval = atoi(*(++argv1)) * 60;
+				break;
+			case 'n':
+				doFork = FALSE;
+				break;
 #ifdef BB_KLOGD
-	    case 'K':
-		startKlogd = FALSE;
-		break;
+			case 'K':
+				startKlogd = FALSE;
+				break;
 #endif
-	    case 'O':
-		if (--argc == 0) {
-		    usage(syslogd_usage);
+			case 'O':
+				if (--argc == 0) {
+					usage(syslogd_usage);
+				}
+				logFilePath = *(++argv1);
+				stopDoingThat = TRUE;
+				break;
+			default:
+				usage(syslogd_usage);
+			}
 		}
-		logFilePath = *(++argv1);
-		stopDoingThat = TRUE;
-		break;
-	    default:
-		usage(syslogd_usage);
-	    }
 	}
-    }
-    
-    /* Store away localhost's name before the fork */
-    gethostname(LocalHostName, sizeof(LocalHostName));
-    if ( (p = strchr(LocalHostName, '.')) ) {
-	*p++ = '\0';
-    }
-
-    if (doFork == TRUE) {
-	pid = fork();
-	if ( pid < 0 )
-	    exit( pid);
-	else if ( pid == 0 ) {
-	    strncpy(argv[0], "syslogd",strlen(argv[0]));
-	    doSyslogd();
+
+	/* Store away localhost's name before the fork */
+	gethostname(LocalHostName, sizeof(LocalHostName));
+	if ((p = strchr(LocalHostName, '.'))) {
+		*p++ = '\0';
+	}
+
+	if (doFork == TRUE) {
+		pid = fork();
+		if (pid < 0)
+			exit(pid);
+		else if (pid == 0) {
+			strncpy(argv[0], "syslogd", strlen(argv[0]));
+			doSyslogd();
+		}
+	} else {
+		doSyslogd();
 	}
-    } else {
-	doSyslogd();
-    }
 
 #ifdef BB_KLOGD
-    /* Start up the klogd process */
-    if (startKlogd == TRUE) {
-	klogd_pid = fork();
-	if (klogd_pid == 0 ) {
-		strncpy(argv[0], "klogd", strlen(argv[0]));
-		doKlogd();
+	/* Start up the klogd process */
+	if (startKlogd == TRUE) {
+		klogd_pid = fork();
+		if (klogd_pid == 0) {
+			strncpy(argv[0], "klogd", strlen(argv[0]));
+			doKlogd();
+		}
 	}
-    }
 #endif
 
-    exit( TRUE);
+	exit(TRUE);
 }
-
-