Remove some ints and replace with our option mask.

bind.c

@@ -42,9 +42,6 @@
 #include "net.h"
 #include "signals.h"
 
-static int daemonised = 0;
-int can_daemonise = 1;
-
 #ifndef THERE_IS_NO_FORK
 pid_t
 daemonise(void)
@@ -55,7 +52,7 @@ daemonise(void)
 	char buf = '\0';
 	int sidpipe[2];
 
-	if (daemonised || !can_daemonise)
+	if (options & DHCPCD_DAEMONISED || !(options & DHCPCD_DAEMONISE))
 		return 0;
 	sigfillset(&full);
 	sigprocmask(SIG_SETMASK, &full, &old);
@@ -93,7 +90,7 @@ daemonise(void)
 		pidfd = -1;
 		exit(EXIT_SUCCESS);
 	}
-	daemonised = 1;
+	options |= DHCPCD_DAEMONISED;
 	sigprocmask(SIG_SETMASK, &old, NULL);
 	return pid;
 }

bind.h

@@ -35,6 +35,5 @@
 pid_t daemonise(void);
 #endif
 
-extern int can_daemonise;
 void bind_interface(void *);
 #endif

dhcpcd.c

@@ -64,7 +64,7 @@ const char copyright[] = "Copyright (c) 2006-2008 Roy Marples";
 /* We should define a maximum for the NAK exponential backoff */ 
 #define NAKOFF_MAX              60
 
-int master = 0;
+int options = 0;
 int pidfd = -1;
 static char **ifv = NULL;
 static int ifc = 0;
@@ -143,7 +143,7 @@ cleanup(void)
 	if (linkfd != -1)
 		close(linkfd);
 	if (pidfd > -1) {
-		if (master) {
+		if (options & DHCPCD_MASTER) {
 			if (stop_control() == -1)
 				logger(LOG_ERR, "stop_control: %s",
 				       strerror(errno));
@@ -211,7 +211,7 @@ stop_interface(struct interface *iface)
 	else
 		ifaces = iface->next;
 	free_interface(ifp);
-	if (!master)
+	if (!(options & DHCPCD_MASTER))
 		exit(EXIT_FAILURE);
 }
 
@@ -960,8 +960,7 @@ main(int argc, char **argv)
 {
 	struct if_options *ifo;
 	struct interface *iface;
-	int opt, oi = 0, test = 0, signal_fd, sig = 0, i, control_fd;
-	int background = 0;
+	int opt, oi = 0, signal_fd, sig = 0, i, control_fd;
 	pid_t pid;
 	struct timespec ts;
 
@@ -982,9 +981,14 @@ main(int argc, char **argv)
 		}
 	}
 
+	options = DHCPCD_DAEMONISE;
+
 	while ((opt = getopt_long(argc, argv, IF_OPTS, cf_options, &oi)) != -1)
 	{
 		switch (opt) {
+		case 'b':
+			options |= DHCPCD_BACKGROUND;
+			break;
 		case 'd':
 			setloglevel(LOG_DEBUG);
 			break;
@@ -1000,8 +1004,11 @@ main(int argc, char **argv)
 		case 'x':
 			sig = SIGTERM;
 			break;
+		case 'B':
+			options &= ~DHCPCD_DAEMONISE;
+			break;
 		case 'T':
-			test = 1;
+			options |= DHCPCD_TEST | DHCPCD_PERSISTENT;
 			break;
 		case 'V':
 			print_options();
@@ -1026,11 +1033,9 @@ main(int argc, char **argv)
 		snprintf(pidfile, sizeof(pidfile), PIDFILE, "-", argv[optind]);
 	else {
 		snprintf(pidfile, sizeof(pidfile), PIDFILE, "", "");
-		master = 1;
+		options |= DHCPCD_MASTER;
 	}
 	
-	if (test)
-		ifo->options |= DHCPCD_TEST | DHCPCD_PERSISTENT;
 #ifdef THERE_IS_NO_FORK
 	ifo->options &= ~DHCPCD_DAEMONISE;
 #endif
@@ -1039,7 +1044,7 @@ main(int argc, char **argv)
 	umask(022);
 	atexit(cleanup);
 
-	if (!master) {
+	if (!(options & DHCPCD_MASTER)) {
 		control_fd = open_control();
 		if (control_fd != -1) {
 			logger(LOG_INFO, "sending commands to master dhcpcd process");
@@ -1084,7 +1089,7 @@ main(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	}
 
-	if (!(ifo->options & DHCPCD_TEST)) {
+	if (!(options & DHCPCD_TEST)) {
 		if ((pid = read_pid()) > 0 &&
 		    kill(pid, 0) == 0)
 		{
@@ -1120,7 +1125,7 @@ main(int argc, char **argv)
 		exit(EXIT_FAILURE);
 	add_event(signal_fd, handle_signal, NULL);
 
-	if (master) {
+	if (options & DHCPCD_MASTER) {
 		if (start_control() == -1) {
 			logger(LOG_ERR, "start_control: %s", strerror(errno));
 			exit(EXIT_FAILURE);
@@ -1136,17 +1141,11 @@ main(int argc, char **argv)
 			add_event(linkfd, handle_link, NULL);
 	}
 
-	if (!(ifo->options & DHCPCD_DAEMONISE))
-		can_daemonise = 0;
-	if (can_daemonise) {
-		if (ifo->options & DHCPCD_BACKGROUND)
-			background = 1;
-		else {
-			oi = ifo->timeout;
-			if (ifo->options & DHCPCD_IPV4LL)
-				oi += 10;
-			add_timeout_sec(oi, handle_exit_timeout, NULL);
-		}
+	if (options & DHCPCD_DAEMONISE && !(options & DHCPCD_BACKGROUND)) {
+		oi = ifo->timeout;
+		if (ifo->options & DHCPCD_IPV4LL)
+			oi += 10;
+		add_timeout_sec(oi, handle_exit_timeout, NULL);
 	}
 	free_options(ifo);
 
@@ -1159,7 +1158,7 @@ main(int argc, char **argv)
 		logger(LOG_ERR, "interface `%s' does not exist", ifv[0]);
 		exit(EXIT_FAILURE);
 	}
-	if (background)
+	if (options & DHCPCD_BACKGROUND)
 		daemonise();
 	start_eloop();
 	/* NOTREACHED */

dhcpcd.h

@@ -105,6 +105,7 @@ struct interface
 };
 
 extern int pidfd;
+extern int options;
 
 int handle_args(int, char **);
 void handle_exit_timeout(void *);

if-options.c

@@ -257,14 +257,16 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
 	struct in_addr addr;
 
 	switch(opt) {
-	case 'b':
-		ifo->options |= DHCPCD_BACKGROUND;
+	case 'b': /* FALLTHROUGH */
+	case 'd': /* FALLTHROUGH */
+	case 'k': /* FALLTHROUGH */
+	case 'n': /* FALLTHROUGH */
+	case 'x': /* FALLTHROUGH */
+	case 'B': /* We need to handle non interface options */
 		break;
 	case 'c':
 		strlcpy(ifo->script, arg, sizeof(ifo->script));
 		break;
-	case 'd':
-		break;
 	case 'h':
 		if (arg)
 			s = parse_string(ifo->hostname + 1,
@@ -293,8 +295,6 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
 		}
 		*ifo->vendorclassid = (uint8_t)s;
 		break;
-	case 'k':
-		break;
 	case 'l':
 		if (*arg == '-') {
 			logger(LOG_ERR,
@@ -315,8 +315,6 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
 			return -1;
 		}
 		break;
-	case 'n':
-		break;
 	case 'o':
 		if (make_option_mask(ifo->requestmask, arg, 1) != 0) {
 			logger(LOG_ERR, "unknown option `%s'", arg);
@@ -417,16 +415,11 @@ parse_option(struct if_options *ifo, int opt, const char *arg)
 			ifo->vendor[0] += s + 2;
 		}
 		break;
-	case 'x':
-		break;
 	case 'A':
 		ifo->options &= ~DHCPCD_ARP;
 		/* IPv4LL requires ARP */
 		ifo->options &= ~DHCPCD_IPV4LL;
 		break;
-	case 'B':
-		ifo->options &= ~DHCPCD_DAEMONISE;
-		break;
 	case 'C':
 		/* Commas to spaces for shell */
 		while ((p = strchr(arg, ',')))

if-options.h

@@ -60,7 +60,7 @@
 #define DHCPCD_DAEMONISE	(1 << 14)
 #define DHCPCD_DAEMONISED	(1 << 15)
 #define DHCPCD_TEST		(1 << 16)
-#define DHCPCD_FORKED		(1 << 17)
+#define DHCPCD_MASTER		(1 << 17)
 #define DHCPCD_HOSTNAME		(1 << 18)
 #define DHCPCD_CLIENTID		(1 << 19)
 #define DHCPCD_LINK		(1 << 20)