tabs are as useful as a hole in the head

1 files changed, 244 insertions, 244 deletions

diff --git a/src/udevadm-monitor.c b/src/udevadm-monitor.c
index 64913dbd55..5997dd8e18 100644
--- a/src/udevadm-monitor.c
+++ b/src/udevadm-monitor.c
@@ -38,260 +38,260 @@ static bool udev_exit;
 
 static void sig_handler(int signum)
 {
-	if (signum == SIGINT || signum == SIGTERM)
-		udev_exit = true;
+        if (signum == SIGINT || signum == SIGTERM)
+                udev_exit = true;
 }
 
 static void print_device(struct udev_device *device, const char *source, int prop)
 {
-	struct timespec ts;
-
-	clock_gettime(CLOCK_MONOTONIC, &ts);
-	printf("%-6s[%llu.%06u] %-8s %s (%s)\n",
-	       source,
-	       (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
-	       udev_device_get_action(device),
-	       udev_device_get_devpath(device),
-	       udev_device_get_subsystem(device));
-	if (prop) {
-		struct udev_list_entry *list_entry;
-
-		udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
-			printf("%s=%s\n",
-			       udev_list_entry_get_name(list_entry),
-			       udev_list_entry_get_value(list_entry));
-		printf("\n");
-	}
+        struct timespec ts;
+
+        clock_gettime(CLOCK_MONOTONIC, &ts);
+        printf("%-6s[%llu.%06u] %-8s %s (%s)\n",
+               source,
+               (unsigned long long) ts.tv_sec, (unsigned int) ts.tv_nsec/1000,
+               udev_device_get_action(device),
+               udev_device_get_devpath(device),
+               udev_device_get_subsystem(device));
+        if (prop) {
+                struct udev_list_entry *list_entry;
+
+                udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device))
+                        printf("%s=%s\n",
+                               udev_list_entry_get_name(list_entry),
+                               udev_list_entry_get_value(list_entry));
+                printf("\n");
+        }
 }
 
 static int adm_monitor(struct udev *udev, int argc, char *argv[])
 {
-	struct sigaction act;
-	sigset_t mask;
-	int option;
-	bool prop = false;
-	bool print_kernel = false;
-	bool print_udev = false;
-	struct udev_list subsystem_match_list;
-	struct udev_list tag_match_list;
-	struct udev_monitor *udev_monitor = NULL;
-	struct udev_monitor *kernel_monitor = NULL;
-	int fd_ep = -1;
-	int fd_kernel = -1, fd_udev = -1;
-	struct epoll_event ep_kernel, ep_udev;
-	int rc = 0;
-
-	static const struct option options[] = {
-		{ "property", no_argument, NULL, 'p' },
-		{ "environment", no_argument, NULL, 'e' },
-		{ "kernel", no_argument, NULL, 'k' },
-		{ "udev", no_argument, NULL, 'u' },
-		{ "subsystem-match", required_argument, NULL, 's' },
-		{ "tag-match", required_argument, NULL, 't' },
-		{ "help", no_argument, NULL, 'h' },
-		{}
-	};
-
-	udev_list_init(udev, &subsystem_match_list, true);
-	udev_list_init(udev, &tag_match_list, true);
-
-	for (;;) {
-		option = getopt_long(argc, argv, "pekus:t:h", options, NULL);
-		if (option == -1)
-			break;
-
-		switch (option) {
-		case 'p':
-		case 'e':
-			prop = true;
-			break;
-		case 'k':
-			print_kernel = true;
-			break;
-		case 'u':
-			print_udev = true;
-			break;
-		case 's':
-			{
-				char subsys[UTIL_NAME_SIZE];
-				char *devtype;
-
-				util_strscpy(subsys, sizeof(subsys), optarg);
-				devtype = strchr(subsys, '/');
-				if (devtype != NULL) {
-					devtype[0] = '\0';
-					devtype++;
-				}
-				udev_list_entry_add(&subsystem_match_list, subsys, devtype);
-				break;
-			}
-		case 't':
-			udev_list_entry_add(&tag_match_list, optarg, NULL);
-			break;
-		case 'h':
-			printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
-			       "  --property                              print the event properties\n"
-			       "  --kernel                                print kernel uevents\n"
-			       "  --udev                                  print udev events\n"
-			       "  --subsystem-match=<subsystem[/devtype]> filter events by subsystem\n"
-			       "  --tag-match=<tag>                       filter events by tag\n"
-			       "  --help\n\n");
-			goto out;
-		default:
-			rc = 1;
-			goto out;
-		}
-	}
-
-	if (!print_kernel && !print_udev) {
-		print_kernel = true;
-		print_udev = true;
-	}
-
-	/* set signal handlers */
-	memset(&act, 0x00, sizeof(struct sigaction));
-	act.sa_handler = sig_handler;
-	sigemptyset(&act.sa_mask);
-	act.sa_flags = SA_RESTART;
-	sigaction(SIGINT, &act, NULL);
-	sigaction(SIGTERM, &act, NULL);
-	sigemptyset(&mask);
-	sigaddset(&mask, SIGINT);
-	sigaddset(&mask, SIGTERM);
-	sigprocmask(SIG_UNBLOCK, &mask, NULL);
-
-	fd_ep = epoll_create1(EPOLL_CLOEXEC);
-	if (fd_ep < 0) {
-		err(udev, "error creating epoll fd: %m\n");
-		goto out;
-	}
-
-	printf("monitor will print the received events for:\n");
-	if (print_udev) {
-		struct udev_list_entry *entry;
-
-		udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
-		if (udev_monitor == NULL) {
-			fprintf(stderr, "error: unable to create netlink socket\n");
-			rc = 1;
-			goto out;
-		}
-		udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024);
-		fd_udev = udev_monitor_get_fd(udev_monitor);
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
-			const char *subsys = udev_list_entry_get_name(entry);
-			const char *devtype = udev_list_entry_get_value(entry);
-
-			if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0)
-				fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
-		}
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) {
-			const char *tag = udev_list_entry_get_name(entry);
-
-			if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0)
-				fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag);
-		}
-
-		if (udev_monitor_enable_receiving(udev_monitor) < 0) {
-			fprintf(stderr, "error: unable to subscribe to udev events\n");
-			rc = 2;
-			goto out;
-		}
-
-		memset(&ep_udev, 0, sizeof(struct epoll_event));
-		ep_udev.events = EPOLLIN;
-		ep_udev.data.fd = fd_udev;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-
-		printf("UDEV - the event which udev sends out after rule processing\n");
-	}
-
-	if (print_kernel) {
-		struct udev_list_entry *entry;
-
-		kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel");
-		if (kernel_monitor == NULL) {
-			fprintf(stderr, "error: unable to create netlink socket\n");
-			rc = 3;
-			goto out;
-		}
-		udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
-		fd_kernel = udev_monitor_get_fd(kernel_monitor);
-
-		udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
-			const char *subsys = udev_list_entry_get_name(entry);
-
-			if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0)
-				fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
-		}
-
-		if (udev_monitor_enable_receiving(kernel_monitor) < 0) {
-			fprintf(stderr, "error: unable to subscribe to kernel events\n");
-			rc = 4;
-			goto out;
-		}
-
-		memset(&ep_kernel, 0, sizeof(struct epoll_event));
-		ep_kernel.events = EPOLLIN;
-		ep_kernel.data.fd = fd_kernel;
-		if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
-			err(udev, "fail to add fd to epoll: %m\n");
-			goto out;
-		}
-
-		printf("KERNEL - the kernel uevent\n");
-	}
-	printf("\n");
-
-	while (!udev_exit) {
-		int fdcount;
-		struct epoll_event ev[4];
-		int i;
-
-		fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
-		if (fdcount < 0) {
-			if (errno != EINTR)
-				fprintf(stderr, "error receiving uevent message: %m\n");
-			continue;
-		}
-
-		for (i = 0; i < fdcount; i++) {
-			if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) {
-				struct udev_device *device;
-
-				device = udev_monitor_receive_device(kernel_monitor);
-				if (device == NULL)
-					continue;
-				print_device(device, "KERNEL", prop);
-				udev_device_unref(device);
-			} else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
-				struct udev_device *device;
-
-				device = udev_monitor_receive_device(udev_monitor);
-				if (device == NULL)
-					continue;
-				print_device(device, "UDEV", prop);
-				udev_device_unref(device);
-			}
-		}
-	}
+        struct sigaction act;
+        sigset_t mask;
+        int option;
+        bool prop = false;
+        bool print_kernel = false;
+        bool print_udev = false;
+        struct udev_list subsystem_match_list;
+        struct udev_list tag_match_list;
+        struct udev_monitor *udev_monitor = NULL;
+        struct udev_monitor *kernel_monitor = NULL;
+        int fd_ep = -1;
+        int fd_kernel = -1, fd_udev = -1;
+        struct epoll_event ep_kernel, ep_udev;
+        int rc = 0;
+
+        static const struct option options[] = {
+                { "property", no_argument, NULL, 'p' },
+                { "environment", no_argument, NULL, 'e' },
+                { "kernel", no_argument, NULL, 'k' },
+                { "udev", no_argument, NULL, 'u' },
+                { "subsystem-match", required_argument, NULL, 's' },
+                { "tag-match", required_argument, NULL, 't' },
+                { "help", no_argument, NULL, 'h' },
+                {}
+        };
+
+        udev_list_init(udev, &subsystem_match_list, true);
+        udev_list_init(udev, &tag_match_list, true);
+
+        for (;;) {
+                option = getopt_long(argc, argv, "pekus:t:h", options, NULL);
+                if (option == -1)
+                        break;
+
+                switch (option) {
+                case 'p':
+                case 'e':
+                        prop = true;
+                        break;
+                case 'k':
+                        print_kernel = true;
+                        break;
+                case 'u':
+                        print_udev = true;
+                        break;
+                case 's':
+                        {
+                                char subsys[UTIL_NAME_SIZE];
+                                char *devtype;
+
+                                util_strscpy(subsys, sizeof(subsys), optarg);
+                                devtype = strchr(subsys, '/');
+                                if (devtype != NULL) {
+                                        devtype[0] = '\0';
+                                        devtype++;
+                                }
+                                udev_list_entry_add(&subsystem_match_list, subsys, devtype);
+                                break;
+                        }
+                case 't':
+                        udev_list_entry_add(&tag_match_list, optarg, NULL);
+                        break;
+                case 'h':
+                        printf("Usage: udevadm monitor [--property] [--kernel] [--udev] [--help]\n"
+                               "  --property                              print the event properties\n"
+                               "  --kernel                                print kernel uevents\n"
+                               "  --udev                                  print udev events\n"
+                               "  --subsystem-match=<subsystem[/devtype]> filter events by subsystem\n"
+                               "  --tag-match=<tag>                       filter events by tag\n"
+                               "  --help\n\n");
+                        goto out;
+                default:
+                        rc = 1;
+                        goto out;
+                }
+        }
+
+        if (!print_kernel && !print_udev) {
+                print_kernel = true;
+                print_udev = true;
+        }
+
+        /* set signal handlers */
+        memset(&act, 0x00, sizeof(struct sigaction));
+        act.sa_handler = sig_handler;
+        sigemptyset(&act.sa_mask);
+        act.sa_flags = SA_RESTART;
+        sigaction(SIGINT, &act, NULL);
+        sigaction(SIGTERM, &act, NULL);
+        sigemptyset(&mask);
+        sigaddset(&mask, SIGINT);
+        sigaddset(&mask, SIGTERM);
+        sigprocmask(SIG_UNBLOCK, &mask, NULL);
+
+        fd_ep = epoll_create1(EPOLL_CLOEXEC);
+        if (fd_ep < 0) {
+                err(udev, "error creating epoll fd: %m\n");
+                goto out;
+        }
+
+        printf("monitor will print the received events for:\n");
+        if (print_udev) {
+                struct udev_list_entry *entry;
+
+                udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
+                if (udev_monitor == NULL) {
+                        fprintf(stderr, "error: unable to create netlink socket\n");
+                        rc = 1;
+                        goto out;
+                }
+                udev_monitor_set_receive_buffer_size(udev_monitor, 128*1024*1024);
+                fd_udev = udev_monitor_get_fd(udev_monitor);
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
+                        const char *subsys = udev_list_entry_get_name(entry);
+                        const char *devtype = udev_list_entry_get_value(entry);
+
+                        if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, subsys, devtype) < 0)
+                                fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
+                }
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&tag_match_list)) {
+                        const char *tag = udev_list_entry_get_name(entry);
+
+                        if (udev_monitor_filter_add_match_tag(udev_monitor, tag) < 0)
+                                fprintf(stderr, "error: unable to apply tag filter '%s'\n", tag);
+                }
+
+                if (udev_monitor_enable_receiving(udev_monitor) < 0) {
+                        fprintf(stderr, "error: unable to subscribe to udev events\n");
+                        rc = 2;
+                        goto out;
+                }
+
+                memset(&ep_udev, 0, sizeof(struct epoll_event));
+                ep_udev.events = EPOLLIN;
+                ep_udev.data.fd = fd_udev;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_udev, &ep_udev) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+
+                printf("UDEV - the event which udev sends out after rule processing\n");
+        }
+
+        if (print_kernel) {
+                struct udev_list_entry *entry;
+
+                kernel_monitor = udev_monitor_new_from_netlink(udev, "kernel");
+                if (kernel_monitor == NULL) {
+                        fprintf(stderr, "error: unable to create netlink socket\n");
+                        rc = 3;
+                        goto out;
+                }
+                udev_monitor_set_receive_buffer_size(kernel_monitor, 128*1024*1024);
+                fd_kernel = udev_monitor_get_fd(kernel_monitor);
+
+                udev_list_entry_foreach(entry, udev_list_get_entry(&subsystem_match_list)) {
+                        const char *subsys = udev_list_entry_get_name(entry);
+
+                        if (udev_monitor_filter_add_match_subsystem_devtype(kernel_monitor, subsys, NULL) < 0)
+                                fprintf(stderr, "error: unable to apply subsystem filter '%s'\n", subsys);
+                }
+
+                if (udev_monitor_enable_receiving(kernel_monitor) < 0) {
+                        fprintf(stderr, "error: unable to subscribe to kernel events\n");
+                        rc = 4;
+                        goto out;
+                }
+
+                memset(&ep_kernel, 0, sizeof(struct epoll_event));
+                ep_kernel.events = EPOLLIN;
+                ep_kernel.data.fd = fd_kernel;
+                if (epoll_ctl(fd_ep, EPOLL_CTL_ADD, fd_kernel, &ep_kernel) < 0) {
+                        err(udev, "fail to add fd to epoll: %m\n");
+                        goto out;
+                }
+
+                printf("KERNEL - the kernel uevent\n");
+        }
+        printf("\n");
+
+        while (!udev_exit) {
+                int fdcount;
+                struct epoll_event ev[4];
+                int i;
+
+                fdcount = epoll_wait(fd_ep, ev, ARRAY_SIZE(ev), -1);
+                if (fdcount < 0) {
+                        if (errno != EINTR)
+                                fprintf(stderr, "error receiving uevent message: %m\n");
+                        continue;
+                }
+
+                for (i = 0; i < fdcount; i++) {
+                        if (ev[i].data.fd == fd_kernel && ev[i].events & EPOLLIN) {
+                                struct udev_device *device;
+
+                                device = udev_monitor_receive_device(kernel_monitor);
+                                if (device == NULL)
+                                        continue;
+                                print_device(device, "KERNEL", prop);
+                                udev_device_unref(device);
+                        } else if (ev[i].data.fd == fd_udev && ev[i].events & EPOLLIN) {
+                                struct udev_device *device;
+
+                                device = udev_monitor_receive_device(udev_monitor);
+                                if (device == NULL)
+                                        continue;
+                                print_device(device, "UDEV", prop);
+                                udev_device_unref(device);
+                        }
+                }
+        }
 out:
-	if (fd_ep >= 0)
-		close(fd_ep);
-	udev_monitor_unref(udev_monitor);
-	udev_monitor_unref(kernel_monitor);
-	udev_list_cleanup(&subsystem_match_list);
-	udev_list_cleanup(&tag_match_list);
-	return rc;
+        if (fd_ep >= 0)
+                close(fd_ep);
+        udev_monitor_unref(udev_monitor);
+        udev_monitor_unref(kernel_monitor);
+        udev_list_cleanup(&subsystem_match_list);
+        udev_list_cleanup(&tag_match_list);
+        return rc;
 }
 
 const struct udevadm_cmd udevadm_monitor = {
-	.name = "monitor",
-	.cmd = adm_monitor,
-	.help = "listen to kernel and udev events",
+        .name = "monitor",
+        .cmd = adm_monitor,
+        .help = "listen to kernel and udev events",
 };