#include <errno.h>
#include <ctype.h>
#include <signal.h>
+#include <stdarg.h>
#include "udev.h"
#include "udev_version.h"
return seqnum;
}
-int main(int argc, char **argv, char **envp)
+static inline int udev_user(int argc, char **argv)
{
- char *action;
- char *devpath;
- char *subsystem;
+ static const char short_options[] = "q:rVh";
+ int option;
int retval = -EINVAL;
+ struct udevice dev;
- signal(SIGINT, sig_handler);
- signal(SIGTERM, sig_handler);
- signal(SIGKILL, sig_handler);
+ while (1) {
+ option = getopt(argc, argv, short_options);
+ if (option == -1)
+ break;
- main_argv = argv;
- main_envp = envp;
+ dbg("option '%c'", option);
+ switch (option) {
+ case 'q':
+ dbg("udev query: %s\n", optarg);
+ retval = udevdb_open_ro();
+ if (retval != 0) {
+ printf("unable to open udev database\n");
+ return -1;
+ }
+ retval = udevdb_get_dev(optarg, &dev);
+ if (retval == 0) {
+ printf("%s\n", dev.name);
+ } else {
+ printf("device not found in udev database\n");
+ }
+ udevdb_exit();
+ return retval;
- dbg("version %s", UDEV_VERSION);
+ case 'r':
+ printf("%s\n", udev_root);
+ return 0;
- if (argc != 2) {
- dbg ("unknown number of arguments");
- goto exit;
+ case 'V':
+ printf("udev, version %s\n", UDEV_VERSION);
+ return 0;
+
+ case 'h':
+ retval = 0;
+ case '?':
+ default:
+ goto help;
+ }
}
+help:
+ printf("Usage: [-qrVh]\n"
+ " -q <path> query database for the name of the created node\n"
+ " -r print udev root\n"
+ " -V print udev version\n"
+ " -h print this help text\n"
+ "\n");
+
+ return retval;
+}
+
+static char *subsystem_blacklist[] = {
+ "net",
+ "scsi_host",
+ "scsi_device",
+ "",
+};
+
+static inline int udev_hotplug(int argc, char **argv)
+{
+ char *action;
+ char *devpath;
+ char *subsystem;
+ int retval = -EINVAL;
+ int i;
+
subsystem = argv[1];
devpath = get_devpath();
goto exit;
}
- /* but we don't care about net class devices */
- if (strcmp(subsystem, "net") == 0) {
- dbg("don't care about net devices");
- goto exit;
+ /* skip blacklisted subsystems */
+ i = 0;
+ while (subsystem_blacklist[i][0] != '\0') {
+ if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
+ dbg("don't care about '%s' devices", subsystem);
+ goto exit;
+ }
+ i++;
}
action = get_action();
goto exit;
}
- /* initialize our configuration */
- udev_init_config();
-
/* connect to the system message bus */
sysbus_connect();
goto exit_sysbus;
}
+ /* set up a default signal handler for now */
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+ signal(SIGKILL, sig_handler);
+
/* initialize the naming deamon */
namedev_init();
sysbus_disconnect();
exit:
+ if (retval > 0)
+ retval = 0;
+
+ return -retval;
+}
+
+int main(int argc, char **argv, char **envp)
+{
+ main_argv = argv;
+ main_envp = envp;
+ int retval;
+
+ dbg("version %s", UDEV_VERSION);
+
+ /* initialize our configuration */
+ udev_init_config();
+
+ if (argc == 2 && argv[1][0] != '-') {
+ dbg("called by hotplug");
+ retval = udev_hotplug(argc, argv);
+ } else {
+ dbg("called by user");
+ retval = udev_user(argc, argv);
+ }
+
return retval;
}
+
+