54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2012 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdio.h>
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#include "log.h"
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#include "sd-journal.h"
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int main(int argc, char *argv[]) {
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unsigned n = 0;
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sd_journal *j;
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log_set_max_level(LOG_DEBUG);
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assert_se(sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY) >= 0);
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assert_se(sd_journal_add_match(j, "_TRANSPORT=syslog", 0) >= 0);
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assert_se(sd_journal_add_match(j, "_UID=0", 0) >= 0);
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SD_JOURNAL_FOREACH_BACKWARDS(j) {
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const void *d;
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size_t l;
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assert_se(sd_journal_get_data(j, "MESSAGE", &d, &l) >= 0);
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printf("%.*s\n", (int) l, (char*) d);
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n ++;
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if (n >= 10)
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break;
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}
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sd_journal_close(j);
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return 0;
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}
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