diff options
Diffstat (limited to 'usr.bin')
-rw-r--r-- | usr.bin/w/w.1 | 8 | ||||
-rw-r--r-- | usr.bin/w/w.c | 95 |
2 files changed, 52 insertions, 51 deletions
diff --git a/usr.bin/w/w.1 b/usr.bin/w/w.1 index 5e90882..87d08dd 100644 --- a/usr.bin/w/w.1 +++ b/usr.bin/w/w.1 @@ -30,7 +30,7 @@ .\" SUCH DAMAGE. .\" .\" @(#)w.1 8.1 (Berkeley) 6/6/93 -.\" $Id: w.1,v 1.9 1998/01/12 00:47:52 steve Exp $ +.\" $Id: w.1,v 1.10 1998/03/22 17:39:08 steve Exp $ .\" .Dd June 6, 1993 .Dt W 1 @@ -43,7 +43,7 @@ .Op Fl dhin .Op Fl M Ar core .Op Fl N Ar system -.Op Ar user +.Op Ar user ... .Sh DESCRIPTION The .Nm @@ -83,9 +83,9 @@ Show network addresses as numbers (normally interprets addresses and attempts to display them symbolically). .El .Pp -If a +If one or more .Ar user -name is specified, the output is restricted to that user. +names are specified, the output is restricted to those users. .Sh FILES .Bl -tag -width /var/run/utmp -compact .It Pa /var/run/utmp diff --git a/usr.bin/w/w.c b/usr.bin/w/w.c index 1e5eceb..ff3eb57 100644 --- a/usr.bin/w/w.c +++ b/usr.bin/w/w.c @@ -42,7 +42,7 @@ static const char copyright[] = static char sccsid[] = "@(#)w.c 8.4 (Berkeley) 4/16/94"; #endif static const char rcsid[] = - "$Id: w.c,v 1.34 1999/04/22 23:40:56 ache Exp $"; + "$Id: w.c,v 1.35 1999/07/04 17:26:12 billf Exp $"; #endif /* not lint */ /* @@ -98,7 +98,7 @@ int header = 1; /* true if -h flag: don't print heading */ int nflag; /* true if -n flag: don't convert addrs */ int dflag; /* true if -d flag: output debug info */ int sortidle; /* sort by idle time */ -char *sel_user; /* login of particular user selected */ +char **sel_users; /* login array of particular users selected */ char domain[MAXHOSTNAMELEN]; /* @@ -114,11 +114,12 @@ struct entry { struct kinfo_proc *dkp; /* debug option proc list */ } *ep, *ehead = NULL, **nextp = &ehead; -static void pr_header __P((time_t *, int)); -static struct stat - *ttystat __P((char *, int)); -static void usage __P((int)); -static int this_is_uptime __P((const char *s)); +#define debugproc(p) *((struct kinfo_proc **)&(p)->kp_eproc.e_spare[0]) + +static void pr_header __P((time_t *, int)); +static struct stat *ttystat __P((char *, int)); +static void usage __P((int)); +static int this_is_uptime __P((const char *s)); char *fmt_argv __P((char **, char *, int)); /* ../../bin/ps/fmt.c */ @@ -137,7 +138,7 @@ main(argc, argv) char *memf, *nlistf, *p, *x; char buf[MAXHOSTNAMELEN], errbuf[256]; - (void) setlocale(LC_ALL, ""); + (void)setlocale(LC_ALL, ""); /* Are we w(1) or uptime(1)? */ if (this_is_uptime(argv[0]) == 0) { @@ -200,7 +201,7 @@ main(argc, argv) err(1, "%s", _PATH_UTMP); if (*argv) - sel_user = *argv; + sel_users = argv; for (nusers = 0; fread(&utmp, sizeof(utmp), 1, ut);) { if (utmp.ut_name[0] == '\0') @@ -208,14 +209,24 @@ main(argc, argv) if (!(stp = ttystat(utmp.ut_line, UT_LINESIZE))) continue; /* corrupted record */ ++nusers; - if (wcmd == 0 || (sel_user && - strncmp(utmp.ut_name, sel_user, UT_NAMESIZE) != 0)) + if (wcmd == 0) continue; + if (sel_users) { + int usermatch; + char **user; + + usermatch = 0; + for (user = sel_users; !usermatch && *user; user++) + if (!strncmp(utmp.ut_name, *user, UT_NAMESIZE)) + usermatch = 1; + if (!usermatch) + continue; + } if ((ep = calloc(1, sizeof(struct entry))) == NULL) errx(1, "calloc"); *nextp = ep; - nextp = &(ep->next); - memmove(&(ep->utmp), &utmp, sizeof(struct utmp)); + nextp = &ep->next; + memmove(&ep->utmp, &utmp, sizeof(struct utmp)); ep->tdev = stp->st_rdev; #ifdef CPU_CONSDEV /* @@ -229,7 +240,7 @@ main(argc, argv) mib[0] = CTL_MACHDEP; mib[1] = CPU_CONSDEV; size = sizeof(dev_t); - (void) sysctl(mib, 2, &ep->tdev, &size, NULL, 0); + (void)sysctl(mib, 2, &ep->tdev, &size, NULL, 0); } #endif if ((ep->idle = now - stp->st_atime) < 0) @@ -240,7 +251,7 @@ main(argc, argv) if (header || wcmd == 0) { pr_header(&now, nusers); if (wcmd == 0) - exit (0); + exit(0); #define HEADER_USER "USER" #define HEADER_TTY "TTY" @@ -285,7 +296,7 @@ main(argc, argv) */ dkp = ep->dkp; ep->dkp = kp; - *((struct kinfo_proc **)(&kp->kp_eproc.e_spare[0])) = dkp; + debugproc(kp) = dkp; } } } @@ -310,8 +321,9 @@ main(argc, argv) } /* sort by idle time */ if (sortidle && ehead != NULL) { - struct entry *from = ehead, *save; + struct entry *from, *save; + from = ehead; ehead = NULL; while (from != NULL) { for (nextp = &ehead; @@ -327,7 +339,7 @@ main(argc, argv) if (!nflag) { if (gethostname(domain, sizeof(domain) - 1) < 0 || - (p = strchr(domain, '.')) == 0) + (p = strchr(domain, '.')) == NULL) domain[0] = '\0'; else { domain[sizeof(domain) - 1] = '\0'; @@ -343,8 +355,7 @@ main(argc, argv) p = *host_buf ? host_buf : "-"; if ((x = strchr(p, ':')) != NULL) *x++ = '\0'; - if (!nflag && isdigit(*p) && - (long)(l = inet_addr(p)) != -1 && + if (!nflag && isdigit(*p) && (l = inet_addr(p)) != -1 && (hp = gethostbyaddr((char *)&l, sizeof(l), AF_INET))) { if (domain[0] != '\0') { p = hp->h_name; @@ -371,13 +382,15 @@ main(argc, argv) p = buf; } if (dflag) { - for (dkp = ep->dkp; dkp != NULL; dkp = *((struct kinfo_proc **)(&dkp->kp_eproc.e_spare[0]))) { + for (dkp = ep->dkp; dkp != NULL; dkp = debugproc(dkp)) { char *ptr; + ptr = fmt_argv(kvm_getargv(kd, dkp, argwidth), - dkp->kp_proc.p_comm, MAXCOMLEN); + dkp->kp_proc.p_comm, MAXCOMLEN); if (ptr == NULL) ptr = "-"; - (void)printf( "\t\t%-9d %s\n", dkp->kp_proc.p_pid, ptr); + (void)printf("\t\t%-9d %s\n", + dkp->kp_proc.p_pid, ptr); } } (void)printf("%-*.*s %-*.*s %-*.*s ", @@ -408,12 +421,8 @@ pr_header(nowp, nusers) /* * Print time of day. - * - * SCCS forces the string manipulation below, as it replaces - * %, M, and % in a character string with the file name. */ - (void)strftime(buf, sizeof(buf) - 1, - __CONCAT("%l:%","M%p"), localtime(nowp)); + (void)strftime(buf, sizeof(buf) - 1, "%l:%M%p", localtime(nowp)); buf[sizeof(buf) - 1] = '\0'; (void)printf("%s ", buf); @@ -440,14 +449,11 @@ pr_header(nowp, nusers) if (hrs > 0 && mins > 0) (void)printf(" %2d:%02d,", hrs, mins); else if (hrs > 0) - (void)printf(" %d hr%s,", - hrs, hrs > 1 ? "s" : ""); + (void)printf(" %d hr%s,", hrs, hrs > 1 ? "s" : ""); else if (mins > 0) - (void)printf(" %d min%s,", - mins, mins > 1 ? "s" : ""); + (void)printf(" %d min%s,", mins, mins > 1 ? "s" : ""); else - (void)printf(" %d sec%s,", - secs, secs > 1 ? "s" : ""); + (void)printf(" %d sec%s,", secs, secs > 1 ? "s" : ""); } /* Print number of users logged in to system */ @@ -460,11 +466,8 @@ pr_header(nowp, nusers) (void)printf(", no load average information available\n"); else { (void)printf(", load averages:"); - for (i = 0; i < (sizeof(avenrun) / sizeof(avenrun[0])); i++) { - if (i > 0) - (void)printf(","); - (void)printf(" %.2f", avenrun[i]); - } + for (i = 0; i < (sizeof(avenrun) / sizeof(avenrun[0])); i++) + (void)printf("%s %.2f", i > 0 ? "," : "", avenrun[i]); (void)printf("\n"); } } @@ -480,7 +483,7 @@ ttystat(line, sz) (void)snprintf(ttybuf, sizeof(ttybuf), "%s%.*s", _PATH_DEV, sz, line); if (stat(ttybuf, &sb)) { warn("%s", ttybuf); - return NULL; + return (NULL); } return (&sb); } @@ -491,11 +494,10 @@ usage(wcmd) { if (wcmd) (void)fprintf(stderr, - "usage: w [-dhin] [-M core] [-N system] [user]\n"); + "usage: w [-dhin] [-M core] [-N system] [user ...]\n"); else - (void)fprintf(stderr, - "usage: uptime\n"); - exit (1); + (void)fprintf(stderr, "usage: uptime\n"); + exit(1); } static int @@ -509,7 +511,6 @@ this_is_uptime(s) else u = s; if (strcmp(u, "uptime") == 0) - return(0); - return(-1); + return (0); + return (-1); } - |