/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include #include "sd-journal.h" #include "journal-internal.h" #include "log.h" #include "macro.h" #include "tests.h" int main(int argc, char *argv[]) { unsigned n = 0; _cleanup_(sd_journal_closep) sd_journal *j = NULL; test_setup_logging(LOG_DEBUG); assert_se(sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY) >= 0); assert_se(sd_journal_add_match(j, "_TRANSPORT=syslog", 0) >= 0); assert_se(sd_journal_add_match(j, "_UID=0", 0) >= 0); SD_JOURNAL_FOREACH_BACKWARDS(j) { const void *d; size_t l; assert_se(sd_journal_get_data(j, "MESSAGE", &d, &l) >= 0); printf("%.*s\n", (int) l, (char*) d); n++; if (n >= 10) break; } return 0; }