From: Artem <x-console@yandex.ru> To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org> Subject: Re: [sisyphus] coreutils, who ) Date: Tue, 16 May 2006 23:39:06 +0300 Message-ID: <446A386A.9050908@yandex.ru> (raw) In-Reply-To: <20060516143556.GC6226@basalt.office.altlinux.org> Dmitry V. Levin wrote: > On Tue, May 16, 2006 at 10:04:08AM +0300, Artem wrote: > >>Michael A. Kangin wrote: >> >>>On 16 мая 2006 01:37 Artem <x-console@yandex.ru> wrote: >>> >>> >>>>Да, я уже нашел _одну_ строчку в coreutils-xxx/libs/readutmp.c из-за >>>>которой эта вещь происходит. >>> >>Эта информация скорее уже к coreutils@ . Описанное поведение who (см. >>тред) аналогично проявляется и в users. >>Предпосылки: >>в coreutils-5.94/lib/readutmp.c , line 107, добавили вызов ф-ции: >><skip> >>if (desirable_utmp_entry (u, options)) >><skip> >>для отбора записей utmp по определенным критериям >> >>Причина: >>в coreutils-5.94/lib/users.c , line 138, >><skip> >> switch (argc - optind) >> { >> case 0: /* users */ >> users (UTMP_FILE, READ_UTMP_CHECK_PIDS); >> ^^^^^^^^^^^^^^^^^^^^^ >> вызов users без параметров, >> параметр READ_UTMP.... == 1 >> break; >> >> case 1: /* users <utmp file> */ >> users (argv[optind], 0); >> ^^^^^^^^^^^^^^^^^^^^^^^ >> а вот здесь при users <utmp file> >> подставляется "0" и выводится все записи. >> >> break; >><skip> >> >>Аналогично в coreutils-5.94/src/who.c, line 815 >><skip> >> case 0: /* who */ >> who (UTMP_FILE, READ_UTMP_CHECK_PIDS); >> break; >> >> case 1: /* who <utmp file> */ >> who (argv[optind], 0); >> break; >> >><skip> >> >>Спрашивается: >>а) зачем добавлено такое поведение? >>б) почему не сказано ничего в man ? >>в) это бага? Или фича? > > https://bugzilla.altlinux.org/show_bug.cgi?id=9579 > 2005-03-30 Paul Eggert <eggert@cs.ucla.edu> > > * src/pinky.c (short_pinky): Adjust to read_utmp signature change. > * src/uptime.c (uptime): New arg OPTIONS. All uses changed. > * src/users.c (users): Likewise. > * src/who.c (who): Likewise. > * src/uptime.c (main): Check PIDs when invoked with zero arguments. > * src/users.c (main): Likewise. > * src/who.c (main): Likewise. Also with two arguments. > Omit duplicate code in 2-arg case. > (UT_PID): Moved to ../lib/readutmp.h. > В принципе, wttyhx правится элементарно заменой "who" на "who /var/run/utmp" . Что я для себя и сделал. Rgds, Artem.
next prev parent reply other threads:[~2006-05-16 20:39 UTC|newest] Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top 2006-05-09 21:40 [sisyphus] ничего не понимаю... ( powersave ) Artem 2006-05-10 10:07 ` Anton Farygin 2006-05-10 16:21 ` Anton Farygin 2006-05-10 16:47 ` Artem 2006-05-11 6:03 ` Anton Farygin 2006-05-11 10:41 ` Artem 2006-05-11 12:27 ` Anton Farygin 2006-05-15 14:12 ` Artem 2006-05-15 15:44 ` Anton Farygin 2006-05-15 18:05 ` Artem 2006-05-15 18:28 ` Anton Farygin 2006-05-15 20:27 ` Michael A. Kangin 2006-05-15 21:37 ` [sisyphus] coreutils, who ) Artem 2006-05-16 2:24 ` Michael A. Kangin 2006-05-16 7:04 ` Artem 2006-05-16 8:13 ` Anton Farygin 2006-05-16 13:39 ` Dmitry V. Levin 2006-05-16 14:01 ` Anton Farygin 2006-05-16 14:28 ` Dmitry V. Levin 2006-05-16 17:19 ` Anton Farygin 2006-05-21 8:33 ` [sisyphus] /usr/lib/powersave/wttyhx -> /usr/bin/wttyhx? Michael Shigorin 2006-05-22 5:02 ` Anton Farygin 2006-05-16 14:35 ` [sisyphus] coreutils, who ) Dmitry V. Levin 2006-05-16 20:39 ` Artem [this message] 2006-05-16 21:06 ` Dmitry V. Levin 2006-05-16 21:31 ` Artem 2006-05-16 21:36 ` Artem 2006-05-16 22:12 ` Michael A. Kangin 2006-05-16 22:16 ` Dmitry V. Levin 2006-05-16 23:46 ` Ivan Adzhubey 2006-05-16 23:59 ` Dmitry V. Levin 2006-05-17 22:25 ` Ivan Adzhubey 2006-05-17 22:53 ` Dmitry V. Levin 2006-05-17 23:13 ` Artem 2006-05-17 5:51 ` Anton Farygin 2006-05-16 22:14 ` Dmitry V. Levin 2006-05-16 22:23 ` Artem 2006-05-16 23:05 ` Dmitry V. Levin 2006-05-17 6:15 ` Artem 2006-05-17 23:12 ` Artem 2006-05-17 23:26 ` Dmitry V. Levin 2006-05-18 5:26 ` Artem 2006-05-21 8:32 ` [sisyphus] [JT] " Michael Shigorin
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