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Revert "journal: Make sd_journal_previous/next() return 0 at HEAD/TAIL"

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This commit broke backwards compatibility so let's revert it until
we find a better solution.

This reverts commit 977ad21b5b.
This commit is contained in:
Daan De Meyer 2022-11-14 12:45:47 +01:00 committed by Luca Boccassi
parent 883e7cbfc0
commit 1db6dbb1dc
2 changed files with 4 additions and 8 deletions
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4
src/journal/test-journal-interleaving.c
View File

@ -157,7 +157,6 @@ static void test_skip_one(void (*setup)(void)) {
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_head(j));
assert_ret(sd_journal_previous(j) == 0);
assert_ret(sd_journal_next(j));
test_check_numbers_down(j, 4);
sd_journal_close(j);
@ -166,7 +165,6 @@ static void test_skip_one(void (*setup)(void)) {
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_tail(j));
assert_ret(sd_journal_next(j) == 0);
assert_ret(sd_journal_previous(j));
test_check_numbers_up(j, 4);
sd_journal_close(j);
@ -175,7 +173,6 @@ static void test_skip_one(void (*setup)(void)) {
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_tail(j));
assert_ret(sd_journal_next(j) == 0);
assert_ret(r = sd_journal_previous_skip(j, 4));
assert_se(r == 4);
test_check_numbers_down(j, 4);
@ -185,7 +182,6 @@ static void test_skip_one(void (*setup)(void)) {
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_head(j));
assert_ret(sd_journal_previous(j) == 0);
assert_ret(r = sd_journal_next_skip(j, 4));
assert_se(r == 4);
test_check_numbers_up(j, 4);

8
src/libsystemd/sd-journal/sd-journal.c
View File

@ -606,9 +606,9 @@ static int find_location_for_match(
/* FIXME: missing: find by monotonic */
if (j->current_location.type == LOCATION_HEAD)
return direction == DIRECTION_DOWN ? journal_file_next_entry_for_data(f, d, DIRECTION_DOWN, ret, offset) : 0;
return journal_file_next_entry_for_data(f, d, DIRECTION_DOWN, ret, offset);
if (j->current_location.type == LOCATION_TAIL)
return direction == DIRECTION_UP ? journal_file_next_entry_for_data(f, d, DIRECTION_UP, ret, offset) : 0;
return journal_file_next_entry_for_data(f, d, DIRECTION_UP, ret, offset);
if (j->current_location.seqnum_set && sd_id128_equal(j->current_location.seqnum_id, f->header->seqnum_id))
return journal_file_move_to_entry_by_seqnum_for_data(f, d, j->current_location.seqnum, direction, ret, offset);
if (j->current_location.monotonic_set) {
@ -701,9 +701,9 @@ static int find_location_with_matches(
/* No matches is simple */
if (j->current_location.type == LOCATION_HEAD)
return direction == DIRECTION_DOWN ? journal_file_next_entry(f, 0, DIRECTION_DOWN, ret, offset) : 0;
return journal_file_next_entry(f, 0, DIRECTION_DOWN, ret, offset);
if (j->current_location.type == LOCATION_TAIL)
return direction == DIRECTION_UP ? journal_file_next_entry(f, 0, DIRECTION_UP, ret, offset) : 0;
return journal_file_next_entry(f, 0, DIRECTION_UP, ret, offset);
if (j->current_location.seqnum_set && sd_id128_equal(j->current_location.seqnum_id, f->header->seqnum_id))
return journal_file_move_to_entry_by_seqnum(f, j->current_location.seqnum, direction, ret, offset);
if (j->current_location.monotonic_set) {