Date: Tue, 20 May 1997 13:18:48 +0400 (MSD)
From: tim@pool1.convey.ru
To: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: bin/3638: /bin/w can't handle long /dev/{tty,cua}xxxxx
Message-ID: <199705200918.NAA05375@pool1.convey.ru>
Resent-Message-ID: <199705200920.CAA24957@hub.freebsd.org>
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>Number: 3638
>Category: bin
>Synopsis: /bin/w can't handle long /dev/{tty,cua}xxxxx
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Tue May 20 02:20:01 PDT 1997
>Last-Modified:
>Originator: Andrew Timonin
>Organization:
Internet Services Ltd.
>Release: FreeBSD 2.2.2-RELEASE i386
>Environment:
FreeBSD 2.2.2-RELEASE used as PPP access server
We are using a number of modems with names like
/dev/cuaD0001, /dev/cuaD0002 etc.
>Description:
When i run "w" command, I get:
"w: /dev//cuaD0005mayor: No such file or directory"
>How-To-Repeat:
Simply rename some tty to for ex. /dev/ttyv0005,
login to it and type "w"
>Fix:
*** w.c.orig Tue May 20 12:28:08 1997
--- w.c Tue May 20 12:27:04 1997
***************
*** 208,214 ****
--- 208,217 ----
*nextp = ep;
nextp = &(ep->next);
memmove(&(ep->utmp), &utmp, sizeof(struct utmp));
+ ch = ep->utmp.ut_line[sizeof(utmp.ut_line)];
+ ep->utmp.ut_line[sizeof(utmp.ut_line)] = '\0';
stp = ttystat(ep->utmp.ut_line);
+ ep->utmp.ut_line[sizeof(utmp.ut_line)] = ch;
ep->tdev = stp->st_rdev;
#ifdef CPU_CONSDEV
/*
***************
*** 235,241 ****
if (wcmd == 0)
exit (0);
! #define HEADER "USER TTY FROM LOGIN@ IDLE WHAT\n"
#define WUSED (sizeof (HEADER) - sizeof ("WHAT\n"))
(void)printf(HEADER);
}
--- 238,244 ----
if (wcmd == 0)
exit (0);
! #define HEADER "USER TTY FROM LOGIN@ IDLE WHAT\n"
#define WUSED (sizeof (HEADER) - sizeof ("WHAT\n"))
(void)printf(HEADER);
}
***************
*** 338,344 ****
ep->utmp.ut_host + UT_HOSTSIZE - x, x);
p = buf;
}
! (void)printf("%-*.*s %-3.3s %-*.*s ",
UT_NAMESIZE, UT_NAMESIZE, ep->utmp.ut_name,
strncmp(ep->utmp.ut_line, "tty", 3) &&
strncmp(ep->utmp.ut_line, "cua", 3) ?
--- 341,347 ----
ep->utmp.ut_host + UT_HOSTSIZE - x, x);
p = buf;
}
! (void)printf("%-*.*s %-5.5s %-*.*s ",
UT_NAMESIZE, UT_NAMESIZE, ep->utmp.ut_name,
strncmp(ep->utmp.ut_line, "tty", 3) &&
strncmp(ep->utmp.ut_line, "cua", 3) ?
__
tim@convey.ru
>Audit-Trail:
>Unformatted:
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