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top: enable foreign users under 'u'/'U' task filtering

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This commit will allow user filtering as long as there
is a valid number representing a potential user ID. It
will serve, for example, chroot environments where the
specific user may be unknown to a host, or vice versa.

(now that we know a '.' + 2 spaces is squeezed to one)
(everything's perfectly justified, but it's just luck)

Reference(s):
http://www.freelists.org/post/procps/top-enhancements-i-hope,1

Signed-off-by: Jim Warner <james.warner@comcast.net>
This commit is contained in:
Jim Warner 2012-12-18 00:00:00 -06:00 committed by Craig Small
parent 9f4e72b208
commit 7b1f8fb173
1 changed files with 9 additions and 2 deletions
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11
top/top.c
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@ -1174,9 +1174,16 @@ static const char *user_certify (WIN_t *q, const char *str, char typ) {
Monpidsidx = 0;
if (*str) {
num = (uid_t)strtoul(str, &endp, 0);
if ('\0' == *endp)
if ('\0' == *endp) {
pwd = getpwuid(num);
else
if (!pwd) {
/* allow foreign users, from e.g within chroot
( thanks Dr. Werner Fink <werner@suse.de> ) */
q->usrseluid = num;
q->usrseltyp = typ;
return NULL;
}
} else
pwd = getpwnam(str);
if (!pwd) return N_txt(BAD_username_txt);
q->usrseluid = pwd->pw_uid;