run_directory: add final warning before removal

[elogind.git] / udevtest.c

diff --git a/udevtest.c b/udevtest.c
index f8010ca5b889613ac96b1d13a665c7148e849820..8c56dba0f1c7d3cc9e7adb5ed534fff13af244e2 100644 (file)
--- a/udevtest.c
+++ b/udevtest.c
@@ -1,6 +1,4 @@
 /*
- * udevtest.c
- *
  * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
  * Copyright (C) 2004-2006 Kay Sievers <kay.sievers@vrfy.org>
  *
@@ -15,7 +13,7 @@
  * 
  *     You should have received a copy of the GNU General Public License along
  *     with this program; if not, write to the Free Software Foundation, Inc.,
- *     675 Mass Ave, Cambridge, MA 02139, USA.
+ *     51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
  */
 
@@ -28,6 +26,7 @@
 #include <ctype.h>
 #include <signal.h>
 #include <syslog.h>
+#include <getopt.h>
 
 #include "udev.h"
 #include "udev_rules.h"
@@ -51,28 +50,58 @@ void log_message (int priority, const char *format, ...)
 
 int main(int argc, char *argv[], char *envp[])
 {
+       int force = 0;
+       char *action = "add";
        struct udev_rules rules = {};
        char *devpath = NULL;
        struct udevice *udev;
        struct sysfs_device *dev;
-       int i;
        int retval;
        int rc = 0;
 
+       static const struct option options[] = {
+               { "action", 1, NULL, 'a' },
+               { "force", 0, NULL, 'f' },
+               { "help", 0, NULL, 'h' },
+               {}
+       };
+
        info("version %s", UDEV_VERSION);
        udev_config_init();
-       if (udev_log_priority < LOG_INFO)
-               udev_log_priority = LOG_INFO;
+       if (udev_log_priority < LOG_INFO) {
+               char priority[32];
 
-       for (i = 1 ; i < argc; i++) {
-               char *arg = argv[i];
+               udev_log_priority = LOG_INFO;
+               sprintf(priority, "%i", udev_log_priority);
+               setenv("UDEV_LOG", priority, 1);
+       }
 
-               if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
-                       printf("Usage: udevtest [--help] <devpath>\n");
-                       goto exit;
-               } else
-                       devpath = arg;
+       while (1) {
+               int option;
+
+               option = getopt_long(argc, argv, "a:fh", options, NULL);
+               if (option == -1)
+                       break;
+
+               dbg("option '%c'", option);
+               switch (option) {
+               case 'a':
+                       action = optarg;
+                       break;
+               case 'f':
+                       force = 1;
+                       break;
+               case 'h':
+                       printf("Usage: udevtest [--action=<string>] [--force] [--help] <devpath>\n"
+                              "  --action=<string>   set action string\n"
+                              "  --force             don't skip node/link creation\n"
+                              "  --help              print this help text\n\n");
+                       exit(0);
+               default:
+                       exit(1);
+               }
        }
+       devpath = argv[optind];
 
        if (devpath == NULL) {
                fprintf(stderr, "devpath parameter missing\n");
@@ -94,7 +123,7 @@ int main(int argc, char *argv[], char *envp[])
                goto exit;
        }
 
-       udev = udev_device_init();
+       udev = udev_device_init(NULL);
        if (udev == NULL) {
                fprintf(stderr, "error initializing device\n");
                rc = 3;
@@ -103,16 +132,22 @@ int main(int argc, char *argv[], char *envp[])
 
        /* override built-in sysfs device */
        udev->dev = dev;
-       strcpy(udev->action, "add");
+       strcpy(udev->action, action);
        udev->devt = udev_device_get_devt(udev);
 
        /* simulate node creation with test flag */
-       udev->test_run = 1;
+       if (!force)
+               udev->test_run = 1;
 
        setenv("DEVPATH", udev->dev->devpath, 1);
        setenv("SUBSYSTEM", udev->dev->subsystem, 1);
        setenv("ACTION", "add", 1);
 
+       printf("This program is for debugging only, it does not run any program,\n"
+              "specified by a RUN key. It may show incorrect results, if rules\n"
+              "match against subsystem specfic kernel event variables.\n"
+              "\n");
+
        info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
        retval = udev_device_event(&rules, udev);
        if (retval == 0 && !udev->ignore_device && udev_run) {