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Use err(3), so eliminate use of `argv0'.

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This commit is contained in:
Philippe Charnier 1997-08-07 06:50:02 +00:00
parent ed43a0f914
commit 692bc4fdc9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27955
2 changed files with 24 additions and 27 deletions
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10
usr.bin/rup/rup.1
View file

@ -31,7 +31,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $Id$
.\" $Id: rup.1,v 1.5 1997/02/22 19:56:48 peter Exp $
.\"
.Dd June 7, 1993
.Dt RUP 1
@ -40,10 +40,10 @@
.Nm rup
.Nd remote status display
.Sh SYNOPSIS
.Nm rup
.Nm
.Op Ar host ...
.Sh DESCRIPTION
.Nm rup
.Nm Rup
displays a summary of the current system status of a particular
.Em host
or all hosts on the local network.
@ -57,7 +57,7 @@ The
.Xr rpc.rstatd 8
daemon must be running on the remote host for this command to
work.
.Nm rup
.Nm Rup
uses an RPC protocol defined in /usr/include/rpcsvc/rstat.x.
.Sh EXAMPLE
.Bd -unfilled -offset indent -compact
@ -86,7 +86,7 @@ and cannot accommodate any RPC-based services. The host may be down.
.Xr rpc.rstatd 8
.Sh HISTORY
The
.Nm rup
.Nm
command
appeared in
.Em Sun-OS .

41
usr.bin/rup/rup.c
View file

@ -32,27 +32,28 @@
*/
#ifndef lint
static char rcsid[] = "$Id$";
static const char rcsid[] =
"$Id: rup.c,v 1.7 1997/02/22 19:56:48 peter Exp $";
#endif /* not lint */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netdb.h>
#include <rpc/rpc.h>
#include <rpc/pmap_clnt.h>
#include <arpa/inet.h>
#undef FSHIFT /* Use protocol's shift and scale values */
#undef FSCALE
#include <rpcsvc/rstat.h>
#define HOST_WIDTH 15
char *argv0;
struct host_list {
struct host_list *next;
struct in_addr addr;
@ -76,15 +77,14 @@ void remember_host(struct in_addr addr)
{
struct host_list *hp;
if (!(hp = (struct host_list *)malloc(sizeof(struct host_list)))) {
fprintf(stderr, "%s: no memory.\n", argv0);
exit(1);
}
if (!(hp = (struct host_list *)malloc(sizeof(struct host_list))))
errx(1, "no memory");
hp->addr.s_addr = addr.s_addr;
hp->next = hosts;
hosts = hp;
}
int
rstat_reply(char *replyp, struct sockaddr_in *raddrp)
{
struct tm *tmp_time;
@ -150,6 +150,7 @@ rstat_reply(char *replyp, struct sockaddr_in *raddrp)
return(0);
}
int
onehost(char *host)
{
CLIENT *rstat_clnt;
@ -160,14 +161,13 @@ onehost(char *host)
hp = gethostbyname(host);
if (hp == NULL) {
fprintf(stderr, "%s: unknown host \"%s\"\n",
argv0, host);
warnx("unknown host \"%s\"", host);
return(-1);
}
rstat_clnt = clnt_create(host, RSTATPROG, RSTATVERS_TIME, "udp");
if (rstat_clnt == NULL) {
fprintf(stderr, "%s: %s %s", argv0, host, clnt_spcreateerror(""));
warnx("%s %s", host, clnt_spcreateerror(""));
return(-1);
}
@ -175,14 +175,16 @@ onehost(char *host)
tv.tv_sec = 15; /* XXX ??? */
tv.tv_usec = 0;
if (clnt_call(rstat_clnt, RSTATPROC_STATS, xdr_void, NULL, xdr_statstime, &host_stat, tv) != RPC_SUCCESS) {
fprintf(stderr, "%s: %s: %s\n", argv0, host, clnt_sperror(rstat_clnt, host));
warnx("%s: %s", host, clnt_sperror(rstat_clnt, host));
return(-1);
}
addr.sin_addr.s_addr = *(int *)hp->h_addr;
rstat_reply((char *)&host_stat, &addr);
return (0);
}
void
allhosts()
{
statstime host_stat;
@ -191,28 +193,23 @@ allhosts()
clnt_stat = clnt_broadcast(RSTATPROG, RSTATVERS_TIME, RSTATPROC_STATS,
xdr_void, NULL,
xdr_statstime, &host_stat, rstat_reply);
if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) {
fprintf(stderr, "%s: %s\n", argv0, clnt_sperrno(clnt_stat));
exit(1);
}
if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT)
errx(1, "%s", clnt_sperrno(clnt_stat));
}
static void
usage()
{
fprintf(stderr, "Usage: %s [hosts ...]\n", argv0);
fprintf(stderr, "usage: rup [hosts ...]\n");
exit(1);
}
int
main(int argc, char *argv[])
{
int ch;
extern int optind;
if (!(argv0 = rindex(argv[0], '/')))
argv0 = argv[0];
else
argv0++;
while ((ch = getopt(argc, argv, "?")) != -1)
switch (ch) {
default: