mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-16 13:23:36 +00:00
timed(8): use NULL instead of zero for pointers.
This commit is contained in:
parent
079171874c
commit
7ffbd1b5b0
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=299707
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@ -90,7 +90,7 @@ acksend(struct tsp *message, struct sockaddr_in *addr, char *name,
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msec = 200;
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count = bad ? 1 : 5; /* 5 packets in 6.4 seconds */
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answer = 0;
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answer = NULL;
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do {
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if (!answer) {
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/* do not go crazy transmitting just because the
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@ -107,7 +107,7 @@ acksend(struct tsp *message, struct sockaddr_in *addr, char *name,
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mstotvround(&twait, msec);
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answer = readmsg(ack, name, &twait, net);
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if (answer != 0) {
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if (answer != NULL) {
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if (answer->tsp_seq != sequence) {
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if (trace)
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fprintf(fd,"acksend: seq # %u!=%u\n",
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@ -185,7 +185,7 @@ master(void)
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tsp_time_sec = msg->tsp_time.tv_sec;
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(void)strcpy(newdate, ctime(&tsp_time_sec));
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htp = findhost(msg->tsp_name);
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if (htp == 0) {
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if (htp == NULL) {
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syslog(LOG_ERR,
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"attempted SET DATEREQ by uncontrolled %s to %s",
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msg->tsp_name, newdate);
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@ -477,7 +477,7 @@ spreadtime(void)
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to.tsp_time.tv_usec = tmptv.tv_usec;
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answer = acksend(&to, &htp->addr, htp->name,
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TSP_ACK, 0, htp->noanswer);
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if (answer == 0) {
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if (answer == NULL) {
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/* We client does not respond, then we have
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* just wasted lots of time on it.
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*/
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@ -566,7 +566,7 @@ addmach(char *name, struct sockaddr_in *addr, struct netinfo *ntp)
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struct hosttbl *ret, *p, *b, *f;
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ret = findhost(name);
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if (ret == 0) {
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if (ret == NULL) {
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if (slvcount >= NHOSTS) {
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if (trace) {
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fprintf(fd, "no more slots in host table\n");
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@ -684,8 +684,8 @@ remmach(struct hosttbl *htp)
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}
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lasthfree->name[0] = '\0';
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lasthfree->h_fwd = 0;
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lasthfree->l_fwd = 0;
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lasthfree->h_fwd = NULL;
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lasthfree->l_fwd = NULL;
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slvcount--;
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return lprv;
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@ -828,7 +828,7 @@ traceoff(char *msg)
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if (trace) {
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fprintf(fd, msg, date());
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(void)fclose(fd);
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fd = 0;
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fd = NULL;
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}
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#ifdef GPROF
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moncontrol(0);
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@ -85,9 +85,9 @@ readmsg(int type, char *machfrom, struct timeval *intvl, struct netinfo *netfrom
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fprintf(fd, "readmsg: looking for %s from %s, %s\n",
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tsptype[type], machfrom == NULL ? "ANY" : machfrom,
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netfrom == NULL ? "ANYNET" : inet_ntoa(netfrom->net));
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if (head->p != 0) {
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if (head->p != NULL) {
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length = 1;
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for (ptr = head->p; ptr != 0; ptr = ptr->p) {
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for (ptr = head->p; ptr != NULL; ptr = ptr->p) {
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/* do not repeat the hundreds of messages */
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if (++length > 3) {
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if (ptr == tail) {
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@ -78,7 +78,7 @@ slave(void)
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struct utmpx utx;
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old_slavenet = 0;
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old_slavenet = NULL;
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seq = 0;
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refusetime = 0;
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adjtime = 0;
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@ -352,7 +352,7 @@ slave(void)
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tsp_time_sec = msg->tsp_time.tv_sec;
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(void)strcpy(newdate, ctime(&tsp_time_sec));
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htp = findhost(msg->tsp_name);
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if (0 == htp) {
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if (htp == NULL) {
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syslog(LOG_WARNING,
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"DATEREQ from uncontrolled machine");
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break;
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@ -544,7 +544,7 @@ slave(void)
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if (msg->tsp_hopcnt-- < 1)
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break;
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bytenetorder(msg);
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for (ntp = nettab; ntp != 0; ntp = ntp->next) {
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for (ntp = nettab; ntp != NULL; ntp = ntp->next) {
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if (ntp->status == MASTER
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&& 0 > sendto(sock, (char *)msg,
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sizeof(struct tsp), 0,
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@ -68,7 +68,7 @@ FILE *fd; /* trace file FD */
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jmp_buf jmpenv;
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struct netinfo *nettab = 0;
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struct netinfo *nettab = NULL;
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struct netinfo *slavenet;
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int Mflag;
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int justquit = 0;
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@ -78,7 +78,7 @@ static struct nets {
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char *name;
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long net;
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struct nets *next;
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} *nets = 0;
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} *nets = NULL;
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struct hosttbl hosttbl[NHOSTS+1]; /* known hosts */
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@ -177,7 +177,7 @@ main(int argc, char *argv[])
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debug = 1;
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break;
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case 'G':
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if (goodgroup != 0)
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if (goodgroup != NULL)
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errx(1, "only one net group");
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goodgroup = optarg;
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break;
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@ -193,7 +193,7 @@ main(int argc, char *argv[])
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/* If we care about which machine is the master, then we must
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* be willing to be a master
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*/
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if (0 != goodgroup || 0 != goodhosts)
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if (goodgroup != NULL || goodhosts != NULL)
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Mflag = 1;
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if (gethostname(hostname, sizeof(hostname) - 1) < 0)
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@ -205,11 +205,11 @@ main(int argc, char *argv[])
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self.head = 1;
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self.good = 1;
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if (goodhosts != 0) /* trust ourself */
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if (goodhosts != NULL) /* trust ourself */
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add_good_host(hostname,1);
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srvp = getservbyname("timed", "udp");
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if (srvp == 0)
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if (srvp == NULL)
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errx(1, "timed/udp: unknown service");
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port = srvp->s_port;
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bzero(&server, sizeof(struct sockaddr_in));
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@ -242,12 +242,12 @@ main(int argc, char *argv[])
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for (nt = nets; nt; nt = nt->next) {
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nentp = getnetbyname(nt->name);
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if (nentp == 0) {
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if (nentp == NULL) {
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nt->net = inet_network(nt->name);
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if (nt->net != INADDR_NONE)
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nentp = getnetbyaddr(nt->net, AF_INET);
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}
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if (nentp != 0) {
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if (nentp != NULL) {
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nt->net = nentp->n_net;
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} else if (nt->net == INADDR_NONE) {
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errx(1, "unknown net %s", nt->name);
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@ -376,7 +376,7 @@ main(int argc, char *argv[])
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break;
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case 1:
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/* Just lost our master */
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if (slavenet != 0)
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if (slavenet != NULL)
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slavenet->status = election(slavenet);
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if (!slavenet || slavenet->status == MASTER) {
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checkignorednets();
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@ -488,12 +488,12 @@ lookformaster(struct netinfo *ntp)
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(void)strcpy(resp.tsp_name, hostname);
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answer = acksend(&resp, &ntp->dest_addr, ANYADDR,
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TSP_MASTERACK, ntp, 0);
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if (answer != 0 && !good_host_name(answer->tsp_name)) {
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if (answer != NULL && !good_host_name(answer->tsp_name)) {
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suppress(&from, answer->tsp_name, ntp);
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ntp->status = NOMASTER;
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answer = 0;
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answer = NULL;
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}
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if (answer == 0) {
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if (answer == NULL) {
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/*
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* Various conditions can cause conflict: races between
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* two just started timedaemons when no master is
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@ -504,7 +504,7 @@ lookformaster(struct netinfo *ntp)
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*/
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ntime.tv_sec = ntime.tv_usec = 0;
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answer = readmsg(TSP_MASTERREQ, ANYADDR, &ntime, ntp);
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if (answer != 0) {
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if (answer != NULL) {
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if (!good_host_name(answer->tsp_name)) {
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suppress(&from, answer->tsp_name, ntp);
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ntp->status = NOMASTER;
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@ -514,7 +514,7 @@ lookformaster(struct netinfo *ntp)
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ntime.tv_sec = ntime.tv_usec = 0;
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answer = readmsg(TSP_MASTERUP, ANYADDR, &ntime, ntp);
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if (answer != 0) {
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if (answer != NULL) {
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if (!good_host_name(answer->tsp_name)) {
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suppress(&from, answer->tsp_name, ntp);
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ntp->status = NOMASTER;
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@ -524,7 +524,7 @@ lookformaster(struct netinfo *ntp)
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ntime.tv_sec = ntime.tv_usec = 0;
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answer = readmsg(TSP_ELECTION, ANYADDR, &ntime, ntp);
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if (answer != 0) {
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if (answer != NULL) {
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if (!good_host_name(answer->tsp_name)) {
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suppress(&from, answer->tsp_name, ntp);
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ntp->status = NOMASTER;
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@ -664,13 +664,13 @@ checkignorednets(void)
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static void
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pickslavenet(struct netinfo *ntp)
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{
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if (slavenet != 0 && slavenet->status == SLAVE) {
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if (slavenet != NULL && slavenet->status == SLAVE) {
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makeslave(slavenet); /* prune extras */
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return;
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}
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if (ntp == 0 || ntp->status != SLAVE) {
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for (ntp = nettab; ntp != 0; ntp = ntp->next) {
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if (ntp == NULL || ntp->status != SLAVE) {
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for (ntp = nettab; ntp != NULL; ntp = ntp->next) {
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if (ntp->status == SLAVE)
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break;
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}
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@ -707,7 +707,7 @@ addnetname(char *name)
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while (*netlist)
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netlist = &((*netlist)->next);
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*netlist = (struct nets *)malloc(sizeof **netlist);
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if (*netlist == 0)
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if (*netlist == NULL)
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errx(1, "malloc failed");
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bzero((char *)*netlist, sizeof(**netlist));
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(*netlist)->name = name;
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@ -735,7 +735,7 @@ add_good_host(char *name, int perm)
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goodhosts = ghp;
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hentp = gethostbyname(name);
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if (0 == hentp && perm)
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if (hentp == NULL && perm)
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warnx("unknown host %s", name);
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}
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@ -757,7 +757,7 @@ get_goodgroup(int force)
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/* if no netgroup, then we are finished */
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if (goodgroup == 0 || !Mflag)
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if (goodgroup == NULL || !Mflag)
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return;
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/* Do not chatter with the netgroup master too often.
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@ -770,10 +770,10 @@ get_goodgroup(int force)
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/* forget the old temporary entries */
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ghpp = &goodhosts;
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while (0 != (ghp = *ghpp)) {
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while ((ghp = *ghpp) != NULL) {
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if (!ghp->perm) {
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*ghpp = ghp->next;
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free((char*)ghp);
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free(ghp);
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} else {
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ghpp = &ghp->next;
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}
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@ -795,7 +795,7 @@ get_goodgroup(int force)
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/* mark the entire netgroup as trusted */
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(void)setnetgrent(goodgroup);
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while (getnetgrent(&mach,&usr,&dom)) {
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if (0 != mach)
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if (mach != NULL)
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add_good_host(mach,0);
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}
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(void)endnetgrent();
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@ -824,7 +824,7 @@ good_host_name(char *name)
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if (c == ghp->name[0]
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&& !strcasecmp(name, ghp->name))
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return 1; /* found him, so say so */
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} while (0 != (ghp = ghp->next));
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} while ((ghp = ghp->next) != NULL);
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if (!strcasecmp(name,hostname)) /* trust ourself */
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return 1;
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@ -277,7 +277,7 @@ msite(int argc, char *argv[])
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}
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srvp = getservbyname("timed", "udp");
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if (srvp == 0) {
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if (srvp == NULL) {
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warnx("timed/udp: unknown service");
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return;
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}
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@ -290,7 +290,7 @@ msite(int argc, char *argv[])
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do {
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tgtname = (i >= argc) ? myname : argv[i];
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hp = gethostbyname(tgtname);
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if (hp == 0) {
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if (hp == NULL) {
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warnx("%s: %s", tgtname, hstrerror(h_errno));
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continue;
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}
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@ -378,7 +378,7 @@ testing(int argc, char *argv[])
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}
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srvp = getservbyname("timed", "udp");
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if (srvp == 0) {
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if (srvp == NULL) {
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warnx("timed/udp: unknown service");
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return;
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}
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@ -432,7 +432,7 @@ tracing(int argc, char *argv[])
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}
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srvp = getservbyname("timed", "udp");
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if (srvp == 0) {
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if (srvp == NULL) {
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warnx("timed/udp: unknown service");
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return;
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}
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@ -52,7 +52,7 @@ static const char rcsid[] =
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#include <unistd.h>
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int trace = 0;
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FILE *fd = 0;
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FILE *fd = NULL;
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int margc;
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int fromatty;
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#define MAX_MARGV 20
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@ -82,7 +82,7 @@ main(int argc, char *argv[])
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printf("?Ambiguous command\n");
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exit(1);
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}
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if (c == 0) {
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if (c == NULL) {
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printf("?Invalid command\n");
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exit(1);
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}
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@ -108,14 +108,14 @@ main(int argc, char *argv[])
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if (cmdline[0] == 0)
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break;
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makeargv();
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if (margv[0] == 0)
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if (margv[0] == NULL)
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continue;
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c = getcmd(margv[0]);
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if (c == (struct cmd *)-1) {
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printf("?Ambiguous command\n");
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continue;
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}
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if (c == 0) {
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if (c == NULL) {
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printf("?Invalid command\n");
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continue;
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}
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@ -147,7 +147,7 @@ getcmd(char *name)
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longest = 0;
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nmatches = 0;
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found = 0;
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found = NULL;
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for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
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p = c->c_name;
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for (q = name; *q == *p++; q++)
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@ -190,7 +190,7 @@ makeargv(void)
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break;
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*cp++ = '\0';
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}
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*argp++ = 0;
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*argp++ = NULL;
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}
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#define HELPINDENT (sizeof ("directory"))
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