src/journal/test-journal-enum.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <stdio.h>
   4
   5 #include "sd-journal.h"
   6
   7 #include "journal-internal.h"
   8 #include "log.h"
   9 #include "macro.h"
  10
  11 int main(int argc, char *argv[]) {
  12         unsigned n = 0;
  13         _cleanup_(sd_journal_closep) sd_journal*j = NULL;
  14
  15         log_set_max_level(LOG_DEBUG);
  16
  17         assert_se(sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY) >= 0);
  18
  19         assert_se(sd_journal_add_match(j, "_TRANSPORT=syslog", 0) >= 0);
  20         assert_se(sd_journal_add_match(j, "_UID=0", 0) >= 0);
  21
  22         SD_JOURNAL_FOREACH_BACKWARDS(j) {
  23                 const void *d;
  24                 size_t l;
  25
  26                 assert_se(sd_journal_get_data(j, "MESSAGE", &d, &l) >= 0);
  27
  28                 printf("%.*s\n", (int) l, (char*) d);
  29
  30                 n++;
  31                 if (n >= 10)
  32                         break;
  33         }
  34
  35         return 0;
  36 }