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

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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:
Olivier Houchard 2006-02-21 13:01:00 +00:00
parent c15ff0bc7b
commit b457a3e19c
2 changed files with 36 additions and 3 deletions
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15
usr.bin/wall/wall.c
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));

24
usr.bin/who/who.c
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