add option --version to udevd

[elogind.git] / udevd.c

diff --git a/udevd.c b/udevd.c
index 8c550d38aa3b8f2154c2fc0a073ac75811d6476d..23f5fd6980183a2cf56481b3ee903914f6b85512 100644 (file)
--- a/udevd.c
+++ b/udevd.c
@@ -943,6 +943,7 @@ int main(int argc, char *argv[], char *envp[])
                { "debug-trace", 0, NULL, 't' },
                { "verbose", 0, NULL, 'v' },
                { "help", 0, NULL, 'h' },
+               { "version", 0, NULL, 'V' },
                {}
        };
        int rc = 1;
@@ -955,7 +956,7 @@ int main(int argc, char *argv[], char *envp[])
 
        /* parse commandline options */
        while (1) {
-               option = getopt_long(argc, argv, "dtvh", options, NULL);
+               option = getopt_long(argc, argv, "dtvhV", options, NULL);
                if (option == -1)
                        break;
 
@@ -972,7 +973,10 @@ int main(int argc, char *argv[], char *envp[])
                                udev_log_priority = LOG_INFO;
                        break;
                case 'h':
-                       printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--verbose]\n");
+                       printf("Usage: udevd [--help] [--daemon] [--debug-trace] [--verbose] [--version]\n");
+                       goto exit;
+               case 'V':
+                       printf("%s\n", UDEV_VERSION);
                        goto exit;
                default:
                        goto exit;