/*
- * Copyright (C) 2005-2011 Kay Sievers <kay.sievers@vrfy.org>
+ * Copyright (C) 2005-2011 Kay Sievers <kay@vrfy.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <sys/un.h>
#include "udev.h"
+#include "udev-util.h"
-static void print_help(void)
-{
- printf("Usage: udevadm control COMMAND\n"
- " --exit instruct the daemon to cleanup and exit\n"
- " --log-priority=<level> set the udev log level for the daemon\n"
- " --stop-exec-queue do not execute events, queue only\n"
- " --start-exec-queue execute events, flush queue\n"
- " --reload reload rules and databases\n"
- " --property=<KEY>=<value> set a global property for all events\n"
- " --children-max=<N> maximum number of children\n"
- " --timeout=<seconds> maximum time to block for a reply\n"
- " --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;
+ int rc = 1, c;
static const struct option options[] = {
- { "exit", no_argument, NULL, 'e' },
- { "log-priority", required_argument, NULL, 'l' },
- { "stop-exec-queue", no_argument, NULL, 's' },
- { "start-exec-queue", no_argument, NULL, 'S' },
- { "reload", no_argument, NULL, 'R' },
- { "reload-rules", no_argument, NULL, 'R' },
- { "property", required_argument, NULL, 'p' },
- { "env", required_argument, NULL, 'p' },
- { "children-max", required_argument, NULL, 'm' },
- { "timeout", required_argument, NULL, 't' },
- { "help", no_argument, NULL, 'h' },
+ { "exit", no_argument, NULL, 'e' },
+ { "log-priority", required_argument, NULL, 'l' },
+ { "stop-exec-queue", no_argument, NULL, 's' },
+ { "start-exec-queue", no_argument, NULL, 'S' },
+ { "reload", no_argument, NULL, 'R' },
+ { "reload-rules", no_argument, NULL, 'R' }, /* alias for -R */
+ { "property", required_argument, NULL, 'p' },
+ { "env", required_argument, NULL, 'p' }, /* alias for -p */
+ { "children-max", required_argument, NULL, 'm' },
+ { "timeout", required_argument, NULL, 't' },
+ { "help", no_argument, NULL, 'h' },
{}
};
if (uctrl == NULL)
return 2;
- for (;;) {
- int option;
-
- option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL);
- if (option == -1)
- break;
-
- switch (option) {
+ while ((c = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL)) >= 0)
+ switch (c) {
case 'e':
if (udev_ctrl_send_exit(uctrl, timeout) < 0)
rc = 2;
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;
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;
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;
rc = 0;
break;
}
- }
- if (argv[optind] != NULL)
- fprintf(stderr, "unknown option\n");
+ if (optind < argc)
+ fprintf(stderr, "Extraneous argument: %s\n", argv[optind]);
else if (optind == 1)
- fprintf(stderr, "missing option\n");
-out:
- udev_ctrl_unref(uctrl);
+ fprintf(stderr, "Option missing\n");
return rc;
}
const struct udevadm_cmd udevadm_control = {
.name = "control",
.cmd = adm_control,
- .help = "control the udev daemon",
+ .help = "Control the udev daemon",
};