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Only print entries for which ut_host points to a character device.

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Now that we use utmpx, we more often have entries for which the ut_line
is left blank. To prevent us from returning struct stat for "/dev/",
check that the resulting stat structure belongs to a character device.
This commit is contained in:
ed 2011-07-05 14:12:48 +00:00
parent 6abbb93d5f
commit 384aa0c696
1 changed files with 1 additions and 1 deletions
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2
usr.bin/w/w.c
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@ -497,7 +497,7 @@ ttystat(char *line)
char ttybuf[MAXPATHLEN]; char ttybuf[MAXPATHLEN];
(void)snprintf(ttybuf, sizeof(ttybuf), "%s%s", _PATH_DEV, line); (void)snprintf(ttybuf, sizeof(ttybuf), "%s%s", _PATH_DEV, line);
if (stat(ttybuf, &sb) == 0) { if (stat(ttybuf, &sb) == 0 && S_ISCHR(sb.st_mode)) {
return (&sb); return (&sb);
} else } else
return (NULL); return (NULL);