2 * Copyright (C) 2007 Kay Sievers <kay.sievers@vrfy.org>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the
6 * Free Software Foundation version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
32 void log_message(int priority, const char *format, ...)
36 if (priority > udev_log_priority)
39 va_start(args, format);
41 vprintf(format, args);
43 vsyslog(priority, format, args);
50 int (*cmd)(int argc, char *argv[], char *envp[]);
55 static const struct command cmds[];
57 static int version(int argc, char *argv[], char *envp[])
59 printf("%s\n", UDEV_VERSION);
63 static int help(int argc, char *argv[], char *envp[])
65 const struct command *cmd;
67 printf("Usage: udevadm COMMAND [OPTIONS]\n");
68 for (cmd = cmds; cmd->name != NULL; cmd++)
69 printf(" %-12s %s\n", cmd->name, cmd->help);
74 static const struct command cmds[] = {
78 .help = "query sysfs or the udev database",
83 .help = "request events from the kernel",
87 .cmd = udevsettle, "",
88 .help = "wait for the event queue to finish",
93 .help = "control the udev daemon",
98 .help = "listen to kernel and udev events",
103 .help = "simulation run",
109 .help = "print the version number",
114 .help = "print this help text",
119 int main(int argc, char *argv[], char *envp[])
123 const struct command *cmd;
126 /* get binary or symlink name */
127 pos = strrchr(argv[0], '/');
133 /* the trailing part of the binary or symlink name is the command */
134 if (strncmp(command, "udev", 4) == 0)
135 command = &command[4];
137 if (command == NULL || command[0] == '\0')
140 /* udevadm itself needs to strip its name from the passed options */
141 if (strcmp(command, "adm") == 0) {
150 /* allow command to be specified as an option */
151 if (strncmp(command, "--", 2) == 0)
154 /* find and execute command */
155 for (cmd = cmds; cmd->name != NULL; cmd++) {
156 if (strcmp(cmd->name, command) == 0) {
158 rc = cmd->cmd(argc, argv, envp);
164 fprintf(stderr, "unknown command, try help\n\n");