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Simplify ttyslot(3).

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After comparing how other systems deal with utmp/utmpx, I noticed many
systems don't even care about ttyslot(3) anymore, since utmpx doesn't
use TTY slots anyway. We don't provide any tools to access old utmp
files anymore, so there is no use in letting applications write to a
proper offset within the utmp file.

Just let ttyslot(3) always return 0, which seems to be the default
behaviour on operating systems like Linux as well.
This commit is contained in:
Ed Schouten 2010-01-17 15:43:14 +00:00
parent 4dcc55a363
commit 79a7dbf111
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=202487
1 changed files with 1 additions and 25 deletions
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26
lib/libc/gen/ttyslot.c
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@ -33,35 +33,11 @@ static char sccsid[] = "@(#)ttyslot.c 8.1 (Berkeley) 6/4/93";
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <paths.h>
#include <ttyent.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int
__ttyslot(void)
{
struct ttyent *ttyp;
int slot;
int cnt;
char *name;
setttyent();
for (cnt = 0; cnt < 3; ++cnt)
if ( (name = ttyname(cnt)) ) {
if (strncmp(name, _PATH_DEV, sizeof _PATH_DEV - 1) != 0)
break;
name += sizeof _PATH_DEV - 1;
for (slot = 1; (ttyp = getttyent()); ++slot)
if (!strcmp(ttyp->ty_name, name)) {
endttyent();
return(slot);
}
break;
}
endttyent();
return(0);
return (0);
}
__sym_compat(ttyslot, __ttyslot, FBSD_1.0);