In wall and who, check that the utmp entry isn't stalled, as it is done in w.

Apparently with the new pts code stalled entries are printed, when they are
not with the BSD ptys.

Submitted by:	Michal Mertl <mime at traveller dot cz>
This commit is contained in:
cognet 2006-02-21 13:01:00 +00:00
parent 895ec9cce0
commit 06cfdceb6c
2 changed files with 36 additions and 3 deletions

View File

@ -81,6 +81,19 @@ int nobanner;
int mbufsize;
char *mbuf;
static int
ttystat(char *line, int sz)
{
struct stat sb;
char ttybuf[MAXPATHLEN];
(void)snprintf(ttybuf, sizeof(ttybuf), "%s%.*s", _PATH_DEV, sz, line);
if (stat(ttybuf, &sb) == 0) {
return (0);
} else
return (-1);
}
int
main(int argc, char *argv[])
{
@ -140,6 +153,8 @@ main(int argc, char *argv[])
while (fread((char *)&utmp, sizeof(utmp), 1, fp) == 1) {
if (!utmp.ut_name[0])
continue;
if (ttystat(utmp.ut_line, UT_LINESIZE) != 0)
continue;
if (grouplist) {
ingroup = 0;
strlcpy(username, utmp.ut_name, sizeof(utmp.ut_name));

View File

@ -27,6 +27,7 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
@ -203,14 +204,31 @@ row(struct utmp *ut)
putchar('\n');
}
static int
ttystat(char *line, int sz)
{
struct stat sb;
char ttybuf[MAXPATHLEN];
(void)snprintf(ttybuf, sizeof(ttybuf), "%s%.*s", _PATH_DEV, sz, line);
if (stat(ttybuf, &sb) == 0) {
return (0);
} else
return (-1);
}
static void
process_utmp(FILE *fp)
{
struct utmp ut;
while (fread(&ut, sizeof(ut), 1, fp) == 1)
if (*ut.ut_name != '\0')
row(&ut);
while (fread(&ut, sizeof(ut), 1, fp) == 1) {
if (*ut.ut_name == '\0')
continue;
if (ttystat(ut.ut_line, UT_LINESIZE) != 0)
continue;
row(&ut);
}
}
static void