We should check for NULL here.

3 files changed, 86 insertions, 80 deletions

diff --git a/src/rc/rc-status.c b/src/rc/rc-status.c
index 9f7167f..c7173e2 100644
--- a/src/rc/rc-status.c
+++ b/src/rc/rc-status.c
@@ -185,6 +185,8 @@ int rc_status (int argc, char **argv)
 	TAILQ_FOREACH(l, levels, entries) {
 		print_level(l->value);
 		services = rc_services_in_runlevel(l->value);
+		if (! services)
+			continue;
 		if (deptree) {
 			if (! types) {
 				types = rc_stringlist_new();
diff --git a/src/rc/rc.c b/src/rc/rc.c
index 04b814e..30bedcb 100644
--- a/src/rc/rc.c
+++ b/src/rc/rc.c
@@ -778,7 +778,7 @@ static void do_stop_services(const char *newlevel, bool going_down, bool paralle
 			continue;
 
 		/* We always stop the service when in these runlevels */
-		if (going_down) {
+		if (going_down || ! start_services) {
 			pid = rc_service_stop(service->value);
 			if (pid > 0 && ! parallel)
 				rc_waitpid(pid);
@@ -1097,18 +1097,20 @@ int main(int argc, char **argv)
 		} else
 			stop_services = tmplist;
 	}
-	rc_stringlist_sort(&stop_services);
-
+	if (stop_services)
+		rc_stringlist_sort(&stop_services);
 
 	types_nua = rc_stringlist_new();
 	rc_stringlist_add(types_nua, "ineed");
 	rc_stringlist_add(types_nua, "iuse");
 	rc_stringlist_add(types_nua, "iafter");
 
-	tmplist = rc_deptree_depends(deptree, types_nua, stop_services,
-				     runlevel, depoptions | RC_DEP_STOP);
-	rc_stringlist_free(stop_services);
-	stop_services = tmplist;
+	if (stop_services) {
+		tmplist = rc_deptree_depends(deptree, types_nua, stop_services,
+				runlevel, depoptions | RC_DEP_STOP);
+		rc_stringlist_free(stop_services);
+		stop_services = tmplist;
+	}
 
 	/* Load our list of coldplugged services */
 	coldplugged_services = rc_services_in_state(RC_SERVICE_COLDPLUGGED);
diff --git a/src/rc/runscript.c b/src/rc/runscript.c
index 704d32f..08d2c4e 100644
--- a/src/rc/runscript.c
+++ b/src/rc/runscript.c
@@ -694,14 +694,14 @@ static void svc_start(bool deps)
 		depoptions |= RC_DEP_STRICT;
 
 	if (deps) {
-		if (! deptree && ((deptree = _rc_deptree_load (NULL)) == NULL))
+		if (! deptree && ((deptree = _rc_deptree_load(NULL)) == NULL))
 			eerrorx("failed to load deptree");
 
 		if (! types_b)
 			setup_types();
 
 		services = rc_deptree_depends(deptree, types_b, applet_list,
-					      runlevel, 0);
+				runlevel, 0);
 		if (services && TAILQ_FIRST(services)) {
 			eerrorn("ERROR: `%s' needs ", applet);
 			first = true;
@@ -718,9 +718,9 @@ static void svc_start(bool deps)
 		services = NULL;
 
 		need_services = rc_deptree_depends(deptree, types_n, applet_list,
-						   runlevel, depoptions);
+				runlevel, depoptions);
 		use_services = rc_deptree_depends(deptree, types_nu, applet_list,
-						  runlevel, depoptions);
+				runlevel, depoptions);
 
 		if (! rc_runlevel_starting() && use_services)
 			TAILQ_FOREACH(svc, use_services, entries)
@@ -732,88 +732,90 @@ static void svc_start(bool deps)
 
 		/* Now wait for them to start */
 		services = rc_deptree_depends(deptree, types_nua, applet_list,
-					      runlevel, depoptions);
+				runlevel, depoptions);
 
-		/* We use tmplist to hold our scheduled by list */
-		tmplist = NULL;
-		TAILQ_FOREACH(svc, services, entries) {
-			RC_SERVICE svcs = rc_service_state(svc->value);
-			if (svcs & RC_SERVICE_STARTED)
-				continue;
-
-			/* Don't wait for services which went inactive but are now in
-			 * starting state which we are after */
-			if (svcs & RC_SERVICE_STARTING &&
-			    svcs & RC_SERVICE_WASINACTIVE) {
-				TAILQ_FOREACH(svc2, use_services, entries) {
-					if (strcmp (svc->value, svc2->value) == 0) 
-						break;
-					}
-				if (! svc2)
+		if (services) {
+			/* We use tmplist to hold our scheduled by list */
+			tmplist = NULL;
+			TAILQ_FOREACH(svc, services, entries) {
+				RC_SERVICE svcs = rc_service_state(svc->value);
+				if (svcs & RC_SERVICE_STARTED)
 					continue;
-			}
 
-			if (! svc_wait(svc->value))
-				eerror ("%s: timed out waiting for %s",
-					applet, svc->value);
-			if (! need_services)
-				continue;
-			if ((svcs = rc_service_state(svc->value)) & RC_SERVICE_STARTED)
-				continue;
-			TAILQ_FOREACH(svc2, need_services, entries) {
-				if (strcmp (svc->value, svc2->value) == 0) {
-					if (svcs & RC_SERVICE_INACTIVE ||
-					    svcs & RC_SERVICE_WASINACTIVE)
-					{
-					    if (! tmplist)
-					    	tmplist = rc_stringlist_new();
-					    rc_stringlist_add(tmplist, svc->value);
-					} else
-						eerrorx("ERROR: cannot start %s as"
-							" %s would not start",
+				/* Don't wait for services which went inactive but are now in
+				 * starting state which we are after */
+				if (svcs & RC_SERVICE_STARTING &&
+						svcs & RC_SERVICE_WASINACTIVE) {
+					TAILQ_FOREACH(svc2, use_services, entries) {
+						if (strcmp (svc->value, svc2->value) == 0) 
+							break;
+					}
+					if (! svc2)
+						continue;
+				}
+
+				if (! svc_wait(svc->value))
+					eerror ("%s: timed out waiting for %s",
 							applet, svc->value);
+				if (! need_services)
+					continue;
+				if ((svcs = rc_service_state(svc->value)) & RC_SERVICE_STARTED)
+					continue;
+				TAILQ_FOREACH(svc2, need_services, entries) {
+					if (strcmp (svc->value, svc2->value) == 0) {
+						if (svcs & RC_SERVICE_INACTIVE ||
+								svcs & RC_SERVICE_WASINACTIVE)
+						{
+							if (! tmplist)
+								tmplist = rc_stringlist_new();
+							rc_stringlist_add(tmplist, svc->value);
+						} else
+							eerrorx("ERROR: cannot start %s as"
+									" %s would not start",
+									applet, svc->value);
+					}
 				}
 			}
-		}
 
-		if (tmplist && TAILQ_FIRST(tmplist)) {
-			/* Set the state now, then unlink our exclusive so that
-			   our scheduled list is preserved */
-			rc_service_mark(service, RC_SERVICE_STOPPED);
-			unlink_mtime_test();
+			if (tmplist && TAILQ_FIRST(tmplist)) {
+				/* Set the state now, then unlink our exclusive so that
+				   our scheduled list is preserved */
+				rc_service_mark(service, RC_SERVICE_STOPPED);
+				unlink_mtime_test();
 
-			rc_stringlist_free(use_services);
-			use_services = NULL;
-			len = 0;
-			n = 0;
-			TAILQ_FOREACH(svc, tmplist, entries) {
-				rc_service_schedule_start(svc->value, service);
-				use_services = rc_deptree_depend(deptree, "iprovide",
-								 svc->value);
-				TAILQ_FOREACH (svc2, use_services, entries)
-					rc_service_schedule_start(svc2->value, service);
 				rc_stringlist_free(use_services);
 				use_services = NULL;
-				len += strlen(svc->value) + 2;
-				n++;
-			}
+				len = 0;
+				n = 0;
+				TAILQ_FOREACH(svc, tmplist, entries) {
+					rc_service_schedule_start(svc->value, service);
+					use_services = rc_deptree_depend(deptree, "iprovide",
+							svc->value);
+					TAILQ_FOREACH (svc2, use_services, entries)
+						rc_service_schedule_start(svc2->value, service);
+					rc_stringlist_free(use_services);
+					use_services = NULL;
+					len += strlen(svc->value) + 2;
+					n++;
+				}
 
-			len += 5;
-			tmp = p = xmalloc(sizeof(char) * len);
-			TAILQ_FOREACH(svc, tmplist, entries) {
-				if (p != tmp)
-					p += snprintf(p, len, ", ");
-				p += snprintf(p, len, "%s", svc->value);
+				len += 5;
+				tmp = p = xmalloc(sizeof(char) * len);
+				TAILQ_FOREACH(svc, tmplist, entries) {
+					if (p != tmp)
+						p += snprintf(p, len, ", ");
+					p += snprintf(p, len, "%s", svc->value);
+				}
+				free(tmp);
+				rc_stringlist_free(tmplist);
+				tmplist = NULL;
+				ewarnx("WARNING: %s is scheduled to start when %s has started",
+						applet, tmp);
 			}
-			free(tmp);
-			rc_stringlist_free(tmplist);
-			tmplist = NULL;
-			ewarnx("WARNING: %s is scheduled to start when %s has started",
-					applet, tmp);
-		}
 
-		rc_stringlist_free(services);
-		services = NULL;
+			rc_stringlist_free(services);
+			services = NULL;
+		}
 	}
 
 	if (ibsave)