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[PATCH] udevsnd : clean up message creation logic a bit.

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greg@kroah.com 2004-01-23 21:43:37 -08:00 committed by Greg KH
parent 33db4b8da0
commit 71c077fb0a
1 changed files with 10 additions and 20 deletions
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30
udevsend.c
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@ -61,26 +61,17 @@ static inline char *get_seqnum(void)
return seqnum;
}
static int build_hotplugmsg(struct hotplug_msg **ppmsg, char *action,
static int build_hotplugmsg(struct hotplug_msg *msg, char *action,
char *devpath, char *subsystem, int seqnum)
{
struct hotplug_msg *pmsg;
pmsg = malloc(sizeof(struct hotplug_msg));
pmsg->mtype = HOTPLUGMSGTYPE;
pmsg->seqnum = seqnum;
strncpy(pmsg->action, action, 8);
strncpy(pmsg->devpath, devpath, 128);
strncpy(pmsg->subsystem, subsystem, 16);
*ppmsg = pmsg;
msg->mtype = HOTPLUGMSGTYPE;
msg->seqnum = seqnum;
strncpy(msg->action, action, 8);
strncpy(msg->devpath, devpath, 128);
strncpy(msg->subsystem, subsystem, 16);
return sizeof(struct hotplug_msg);
}
static void free_hotplugmsg(struct hotplug_msg *pmsg)
{
free(pmsg);
}
static int start_daemon(void)
{
pid_t pid;
@ -118,8 +109,8 @@ int main(int argc, char* argv[])
{
int msgid;
key_t key;
struct msqid_ds msg_queue;
struct msgbuf *pmsg;
struct msqid_ds msg_queue;
struct hotplug_msg message;
char *action;
char *devpath;
char *subsystem;
@ -157,7 +148,7 @@ int main(int argc, char* argv[])
/* create ipc message queue or get id of our existing one */
key = ftok(DEFAULT_UDEVD_EXEC, IPC_KEY_ID);
size = build_hotplugmsg( (struct hotplug_msg**) &pmsg, action, devpath, subsystem, seq);
size = build_hotplugmsg(&message, action, devpath, subsystem, seq);
msgid = msgget(key, IPC_CREAT);
if (msgid == -1) {
dbg("error open ipc queue");
@ -165,8 +156,7 @@ int main(int argc, char* argv[])
}
/* send ipc message to the daemon */
retval = msgsnd(msgid, pmsg, size, 0);
free_hotplugmsg( (struct hotplug_msg*) pmsg);
retval = msgsnd(msgid, &message, size, 0);
if (retval == -1) {
dbg("error sending ipc message");
goto exit;