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https://github.com/systemd/systemd-stable.git
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logs-show: export logic to add matches for units
After that functions which add matches, show_journal_by_unit and show_journal_by_user_unit, become nearly identical, so I merged them into one function.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
7d7681f70b
commit
886a64fe69
@ -869,76 +869,68 @@ finish:
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return r;
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}
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int add_matches_for_unit(sd_journal *j, const char *unit) {
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int r;
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_cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL;
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assert(j);
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assert(unit);
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if (asprintf(&m1, "_SYSTEMD_UNIT=%s", unit) < 0 ||
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asprintf(&m2, "COREDUMP_UNIT=%s", unit) < 0 ||
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asprintf(&m3, "UNIT=%s", unit) < 0)
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return -ENOMEM;
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(void)(
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/* Look for messages from the service itself */
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(r = sd_journal_add_match(j, m1, 0)) ||
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/* Look for coredumps of the service */
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(r = sd_journal_add_disjunction(j)) ||
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(r = sd_journal_add_match(j,
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"MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0)) ||
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(r = sd_journal_add_match(j, m2, 0)) ||
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/* Look for messages from PID 1 about this service */
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(r = sd_journal_add_disjunction(j)) ||
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(r = sd_journal_add_match(j, "_PID=1", 0)) ||
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(r = sd_journal_add_match(j, m3, 0))
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);
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return r;
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}
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int add_matches_for_user_unit(sd_journal *j, const char *unit, uid_t uid) {
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int r;
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_cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL, *m4 = NULL;
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assert(j);
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assert(unit);
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if (asprintf(&m1, "_SYSTEMD_USER_UNIT=%s", unit) < 0 ||
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asprintf(&m2, "USER_UNIT=%s", unit) < 0 ||
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asprintf(&m3, "COREDUMP_USER_UNIT=%s", unit) < 0 ||
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asprintf(&m4, "_UID=%d", uid) < 0)
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return -ENOMEM;
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(void) (
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/* Look for messages from the user service itself */
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(r = sd_journal_add_match(j, m1, 0)) ||
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(r = sd_journal_add_match(j, m4, 0)) ||
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/* Look for messages from systemd about this service */
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(r = sd_journal_add_disjunction(j)) ||
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(r = sd_journal_add_match(j, m2, 0)) ||
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(r = sd_journal_add_match(j, m4, 0)) ||
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/* Look for coredumps of the service */
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(r = sd_journal_add_disjunction(j)) ||
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(r = sd_journal_add_match(j, m3, 0)) ||
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(r = sd_journal_add_match(j, m4, 0))
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);
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return r;
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}
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int show_journal_by_unit(
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FILE *f,
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const char *unit,
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OutputMode mode,
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unsigned n_columns,
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usec_t not_before,
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unsigned how_many,
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OutputFlags flags) {
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_cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL;
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sd_journal *j = NULL;
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int r;
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assert(mode >= 0);
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assert(mode < _OUTPUT_MODE_MAX);
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assert(unit);
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if (how_many <= 0)
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return 0;
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if (asprintf(&m1, "_SYSTEMD_UNIT=%s", unit) < 0 ||
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asprintf(&m2, "COREDUMP_UNIT=%s", unit) < 0 ||
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asprintf(&m3, "UNIT=%s", unit) < 0) {
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r = -ENOMEM;
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goto finish;
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}
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r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY|SD_JOURNAL_SYSTEM_ONLY);
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if (r < 0)
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goto finish;
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/* Look for messages from the service itself */
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r = sd_journal_add_match(j, m1, 0);
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if (r < 0)
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goto finish;
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/* Look for coredumps of the service */
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r = sd_journal_add_disjunction(j);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, "MESSAGE_ID=fc2e22bc6ee647b6b90729ab34a250b1", 0);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m2, 0);
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if (r < 0)
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goto finish;
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/* Look for messages from PID 1 about this service */
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r = sd_journal_add_disjunction(j);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, "_PID=1", 0);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m3, 0);
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if (r < 0)
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goto finish;
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r = show_journal(f, j, mode, n_columns, not_before, how_many, flags);
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if (r < 0)
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goto finish;
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finish:
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if (j)
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sd_journal_close(j);
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return r;
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}
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int show_journal_by_user_unit(
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FILE *f,
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const char *unit,
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OutputMode mode,
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@ -946,11 +938,12 @@ int show_journal_by_user_unit(
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usec_t not_before,
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unsigned how_many,
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uid_t uid,
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OutputFlags flags) {
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OutputFlags flags,
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bool system) {
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_cleanup_free_ char *m1 = NULL, *m2 = NULL, *m3 = NULL, *m4 = NULL;
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sd_journal *j = NULL;
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int r;
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int jflags = SD_JOURNAL_LOCAL_ONLY | system * SD_JOURNAL_SYSTEM_ONLY;
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assert(mode >= 0);
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assert(mode < _OUTPUT_MODE_MAX);
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@ -959,45 +952,14 @@ int show_journal_by_user_unit(
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if (how_many <= 0)
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return 0;
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if (asprintf(&m1, "_SYSTEMD_USER_UNIT=%s", unit) < 0 ||
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asprintf(&m2, "USER_UNIT=%s", unit) < 0 ||
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asprintf(&m3, "COREDUMP_USER_UNIT=%s", unit) < 0 ||
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asprintf(&m4, "_UID=%d", uid) < 0) {
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r = -ENOMEM;
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goto finish;
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}
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r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
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r = sd_journal_open(&j, jflags);
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if (r < 0)
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goto finish;
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/* Look for messages from the user service itself */
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r = sd_journal_add_match(j, m1, 0);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m4, 0);
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if (r < 0)
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goto finish;
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/* Look for messages from systemd about this service */
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r = sd_journal_add_disjunction(j);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m2, 0);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m4, 0);
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if (r < 0)
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goto finish;
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/* Look for coredumps of the service */
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r = sd_journal_add_disjunction(j);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m3, 0);
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if (r < 0)
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goto finish;
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r = sd_journal_add_match(j, m4, 0);
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if (system)
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r = add_matches_for_unit(j, unit);
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else
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r = add_matches_for_user_unit(j, unit, uid);
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if (r < 0)
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goto finish;
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@ -37,16 +37,16 @@ int output_journal(
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unsigned n_columns,
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OutputFlags flags);
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int add_matches_for_unit(
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sd_journal *j,
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const char *unit);
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int add_matches_for_user_unit(
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sd_journal *j,
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const char *unit,
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uid_t uid);
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int show_journal_by_unit(
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FILE *f,
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const char *unit,
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OutputMode mode,
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unsigned n_columns,
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usec_t not_before,
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unsigned how_many,
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OutputFlags flags);
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int show_journal_by_user_unit(
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FILE *f,
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const char *unit,
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OutputMode mode,
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@ -54,7 +54,8 @@ int show_journal_by_user_unit(
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usec_t not_before,
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unsigned how_many,
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uid_t uid,
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OutputFlags flags);
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OutputFlags flags,
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bool system);
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void json_escape(
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FILE *f,
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@ -2509,23 +2509,15 @@ static void print_status_info(UnitStatusInfo *i) {
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if (i->id && arg_transport != TRANSPORT_SSH) {
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printf("\n");
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if(arg_scope == UNIT_FILE_SYSTEM)
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show_journal_by_unit(stdout,
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i->id,
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arg_output,
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0,
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i->inactive_exit_timestamp_monotonic,
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arg_lines,
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flags);
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else
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show_journal_by_user_unit(stdout,
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i->id,
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arg_output,
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0,
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i->inactive_exit_timestamp_monotonic,
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arg_lines,
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getuid(),
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flags);
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show_journal_by_unit(stdout,
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i->id,
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arg_output,
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0,
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i->inactive_exit_timestamp_monotonic,
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arg_lines,
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getuid(),
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flags,
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arg_scope == UNIT_FILE_SYSTEM);
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}
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if (i->need_daemon_reload)
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