X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fudev%2Fudevadm-control.c;h=78170463b6536d1f926bf772565af7ca07c180ad;hb=e530ed5e1407e0571afc01552e41365ffb01befa;hp=00a909fc3171ed1c1a0af14b84bef65aa20ed1d9;hpb=7643ac9a8add1f07ffc237c054feb443b5612717;p=elogind.git

diff --git a/src/udev/udevadm-control.c b/src/udev/udevadm-control.c
index 00a909fc3..78170463b 100644
--- a/src/udev/udevadm-control.c
+++ b/src/udev/udevadm-control.c
@@ -12,7 +12,6 @@
  * GNU General Public License for more details.
  */
 
-#include <time.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -20,30 +19,28 @@
 #include <string.h>
 #include <unistd.h>
 #include <getopt.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/wait.h>
-#include <sys/un.h>
 
 #include "udev.h"
+#include "udev-util.h"
 
-static void print_help(void)
-{
-        printf("Usage: udevadm control COMMAND\n"
-                "  -e,--exit                 instruct the daemon to cleanup and exit\n"
-                "  -l,--log-priority=LEVEL   set the udev log level for the daemon\n"
-                "  -s,--stop-exec-queue      do not execute events, queue only\n"
-                "  -S,--start-exec-queue     execute events, flush queue\n"
-                "  -R,--reload               reload rules and databases\n"
-                "  -p,--property=KEY=VALUE   set a global property for all events\n"
-                "  -m,--children-max=N       maximum number of children\n"
-                "     --timeout=SECONDS      maximum time to block for a reply\n"
-                "  -h,--help                 print this help text\n\n");
+static void print_help(void) {
+        printf("%s control COMMAND\n\n"
+               "Control the udev daemon.\n\n"
+               "  -h --help                Show this help\n"
+               "     --version             Show package version\n"
+               "  -e --exit                Instruct the daemon to cleanup and exit\n"
+               "  -l --log-priority=LEVEL  Set the udev log level for the daemon\n"
+               "  -s --stop-exec-queue     Do not execute events, queue only\n"
+               "  -S --start-exec-queue    Execute events, flush queue\n"
+               "  -R --reload              Reload rules and databases\n"
+               "  -p --property=KEY=VALUE  Set a global property for all events\n"
+               "  -m --children-max=N      Maximum number of children\n"
+               "     --timeout=SECONDS     Maximum time to block for a reply\n"
+               , program_invocation_short_name);
 }
 
-static int adm_control(struct udev *udev, int argc, char *argv[])
-{
-        struct udev_ctrl *uctrl = NULL;
+static int adm_control(struct udev *udev, int argc, char *argv[]) {
+        _cleanup_udev_ctrl_unref_ struct udev_ctrl *uctrl = NULL;
         int timeout = 60;
         int rc = 1, c;
 
@@ -85,7 +82,7 @@ static int adm_control(struct udev *udev, int argc, char *argv[])
                         i = util_log_priority(optarg);
                         if (i < 0) {
                                 fprintf(stderr, "invalid number '%s'\n", optarg);
-                                goto out;
+                                return rc;
                         }
                         if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
                                 rc = 2;
@@ -114,7 +111,7 @@ static int adm_control(struct udev *udev, int argc, char *argv[])
                 case 'p':
                         if (strchr(optarg, '=') == NULL) {
                                 fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
-                                goto out;
+                                return rc;
                         }
                         if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
                                 rc = 2;
@@ -128,7 +125,7 @@ static int adm_control(struct udev *udev, int argc, char *argv[])
                         i = strtoul(optarg, &endp, 0);
                         if (endp[0] != '\0' || i < 1) {
                                 fprintf(stderr, "invalid number '%s'\n", optarg);
-                                goto out;
+                                return rc;
                         }
                         if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
                                 rc = 2;
@@ -156,13 +153,11 @@ static int adm_control(struct udev *udev, int argc, char *argv[])
                 fprintf(stderr, "Extraneous argument: %s\n", argv[optind]);
         else if (optind == 1)
                 fprintf(stderr, "Option missing\n");
-out:
-        udev_ctrl_unref(uctrl);
         return rc;
 }
 
 const struct udevadm_cmd udevadm_control = {
         .name = "control",
         .cmd = adm_control,
-        .help = "control the udev daemon",
+        .help = "Control the udev daemon",
 };