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udevd: use getopt_long()

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This commit is contained in:
Kay Sievers 2006-09-08 11:27:03 +02:00
parent adc8e4b91e
commit b52a01ee39
3 changed files with 30 additions and 9 deletions
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5
udevd.8
View File

@ -14,7 +14,7 @@
udevd \- event managing daemon
.SH "SYNOPSIS"
.HP 6
\fBudevd\fR [\fB\-\-daemon\fR]
\fBudevd\fR [\fB\-\-daemon\fR] [\fB\-\-help\fR]
.HP 20
\fBudevcontrol \fR\fB\fIcommand\fR\fR
.SH "DESCRIPTION"
@ -25,6 +25,9 @@ udevd listens to kernel uevents and passes the incoming events to udev. It ensur
\fB\-\-daemon\fR
Detach and run in the background.
.TP 3n
\fB\-\-help\fR
Print usage.
.TP 3n
\fBlog_priority=\fR\fB\fIvalue\fR\fR
udevcontrol can dynamically set the log level of udevd. Valid values are the numerical syslog priorities or their textual representations:
\fBerr\fR,

27
udevd.c
View File

@ -29,6 +29,7 @@
#include <fcntl.h>
#include <syslog.h>
#include <time.h>
#include <getopt.h>
#include <sys/select.h>
#include <sys/wait.h>
#include <sys/types.h>
@ -76,6 +77,7 @@ void log_message(int priority, const char *format, ...)
vsyslog(priority, format, args);
va_end(args);
}
#endif
static void asmlinkage udev_event_sig_handler(int signum)
@ -916,7 +918,12 @@ int main(int argc, char *argv[], char *envp[])
fd_set readfds;
const char *value;
int daemonize = 0;
int i;
int option;
static const struct option options[] = {
{ "daemon", 0, NULL, 'd' },
{ "help", 0, NULL, 'h' },
{}
};
int rc = 1;
int maxfd;
@ -926,16 +933,20 @@ int main(int argc, char *argv[], char *envp[])
dbg("version %s", UDEV_VERSION);
/* parse commandline options */
for (i = 1 ; i < argc; i++) {
char *arg = argv[i];
if (strcmp(arg, "--daemon") == 0 || strcmp(arg, "-d") == 0)
while (1) {
option = getopt_long(argc, argv, "dtvh", options, NULL);
if (option == -1)
break;
switch (option) {
case 'd':
daemonize = 1;
else if (strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
break;
case 'h':
printf("Usage: udevd [--help] [--daemon]\n");
goto exit;
} else {
fprintf(stderr, "unrecognized option '%s'\n", arg);
err("unrecognized option '%s'\n", arg);
default:
goto exit;
}
}

7
udevd.xml
View File

@ -26,6 +26,7 @@
<cmdsynopsis>
<command>udevd</command>
<arg><option>--daemon</option></arg>
<arg><option>--help</option></arg>
</cmdsynopsis>
<cmdsynopsis>
<command>udevcontrol <replaceable>command</replaceable></command>
@ -46,6 +47,12 @@
<para>Detach and run in the background.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--help</option></term>
<listitem>
<para>Print usage.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>log_priority=<replaceable>value</replaceable></option></term>
<listitem>