Recently I answered a question concerning maximum valid UID
value. I had created a new user with UID 1000000 using pw
utility. Everything went smoothly, but pwd_mkdb warned about
creation of UID bigger than 65535. I found this piece of code in
/usr/src/usr.sbin/pwd_mkdb/pw_scan.c:
if (id > USHRT_MAX) {
warnx("%s > max uid value (%d)", p, USHRT_MAX);
/*return (0);*/ /* THIS SHOULD NOT BE FATAL! */
}
I see only one reason for this: for keeping compatibility with old
utilities which don't use uid_t but relay on unsigned short
values. Am I right? Is there any other reason? Or, perhaps, this
code is obsolete and may be removed without harm?
--
/Voland Vadim Belman
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