/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ /*** This file is part of systemd. Copyright 2013 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <fcntl.h> #include "sd-journal.h" #include "journal-file.h" #include "journal-internal.h" int main(int argc, char *argv[]) { char fn[sizeof("/var/tmp/test-journal-flush-")-1 + DECIMAL_STR_MAX(pid_t) + sizeof(".journal")]; JournalFile *new_journal = NULL; sd_journal *j = NULL; unsigned n = 0; int r; sprintf(fn, "/var/tmp/test-journal-flush-%lu.journal", (unsigned long) getpid()); r = journal_file_open(fn, O_CREAT|O_RDWR, 0644, false, false, NULL, NULL, NULL, &new_journal); assert_se(r >= 0); unlink(fn); r = sd_journal_open(&j, 0); assert_se(r >= 0); sd_journal_set_data_threshold(j, 0); SD_JOURNAL_FOREACH(j) { Object *o; JournalFile *f; f = j->current_file; assert(f && f->current_offset > 0); r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o); assert(r >= 0); r = journal_file_copy_entry(f, new_journal, o, f->current_offset, NULL, NULL, NULL); assert(r >= 0); n++; if (n > 10000) break; } sd_journal_close(j); journal_file_close(new_journal); return 0; }