[PATCH 02/10] reftable: stop using `strbuf_addf()`
- From
Patrick Steinhardt <ps@pks.im>
- Date
- Oct 11, 2024, 06:54 UTC
- Message-ID
- <abc28d7664f151e00568a6a3d18bf8a2de46470d.1728629612.git.ps@pks.im>
- In-Reply-To
- <cover.1728629612.git.ps@pks.im>
We're about to introduce our own `reftable_buf` type to replace `strbuf`. Get rid of the seldomly-used `strbuf_addf()` function such that we have to reimplement one less function.
Signed-off-by: Patrick Steinhardt <ps@pks.im> --- reftable/stack.c | 18 ++++++++----- t/unit-tests/t-reftable-block.c | 7 +++-- t/unit-tests/t-reftable-readwrite.c | 20 +++++++------- t/unit-tests/t-reftable-stack.c | 42 ++++++++++++++++------------- 4 files changed, 50 insertions(+), 37 deletions(-)
diff --git a/reftable/stack.c b/reftable/stack.c index 7e617c25914..d7bc1187dfb 100644 --- a/reftable/stack.c +++ b/reftable/stack.c @@ -1387,12 +1387,18 @@ static int stack_compact_range(struct reftable_stack *st, * have just written. In case the compacted table became empty we * simply skip writing it. */ - for (i = 0; i < first_to_replace; i++) - strbuf_addf(&tables_list_buf, "%s\n", names[i]); - if (!is_empty_table) - strbuf_addf(&tables_list_buf, "%s\n", new_table_name.buf); - for (i = last_to_replace + 1; names[i]; i++) - strbuf_addf(&tables_list_buf, "%s\n", names[i]); + for (i = 0; i < first_to_replace; i++) { + strbuf_addstr(&tables_list_buf, names[i]); + strbuf_addstr(&tables_list_buf, "\n"); + } + if (!is_empty_table) { + strbuf_addstr(&tables_list_buf, new_table_name.buf); + strbuf_addstr(&tables_list_buf, "\n"); + } + for (i = last_to_replace + 1; names[i]; i++) { + strbuf_addstr(&tables_list_buf, names[i]); + strbuf_addstr(&tables_list_buf, "\n"); + } err = write_in_full(get_lock_file_fd(&tables_list_lock), tables_list_buf.buf, tables_list_buf.len); diff --git a/t/unit-tests/t-reftable-block.c b/t/unit-tests/t-reftable-block.c index d470060e8be..8077bbc5e7a 100644 --- a/t/unit-tests/t-reftable-block.c +++ b/t/unit-tests/t-reftable-block.c @@ -308,10 +308,13 @@ static void t_index_block_read_write(void) check(!ret); for (i = 0; i < N; i++) { - strbuf_init(&recs[i].u.idx.last_key, 9); + char buf[128]; + + snprintf(buf, sizeof(buf), "branch%02"PRIuMAX, (uintmax_t)i); + strbuf_init(&recs[i].u.idx.last_key, 9); recs[i].type = BLOCK_TYPE_INDEX; - strbuf_addf(&recs[i].u.idx.last_key, "branch%02"PRIuMAX, (uintmax_t)i); + strbuf_addstr(&recs[i].u.idx.last_key, buf); recs[i].u.idx.offset = i; ret = block_writer_add(&bw, &recs[i]); diff --git a/t/unit-tests/t-reftable-readwrite.c b/t/unit-tests/t-reftable-readwrite.c index 27ce84445e8..5f59b0ad6ad 100644 --- a/t/unit-tests/t-reftable-readwrite.c +++ b/t/unit-tests/t-reftable-readwrite.c @@ -753,12 +753,13 @@ static void t_write_multiple_indices(void) struct reftable_write_options opts = { .block_size = 100, }; - struct strbuf writer_buf = STRBUF_INIT, buf = STRBUF_INIT; + struct strbuf writer_buf = STRBUF_INIT; struct reftable_block_source source = { 0 }; struct reftable_iterator it = { 0 }; const struct reftable_stats *stats; struct reftable_writer *writer; struct reftable_reader *reader; + char buf[128]; int err, i; writer = t_reftable_strbuf_writer(&writer_buf, &opts); @@ -770,9 +771,8 @@ static void t_write_multiple_indices(void) .value.val1 = {i}, }; - strbuf_reset(&buf); - strbuf_addf(&buf, "refs/heads/%04d", i); - ref.refname = buf.buf, + snprintf(buf, sizeof(buf), "refs/heads/%04d", i); + ref.refname = buf; err = reftable_writer_add_ref(writer, &ref); check(!err); @@ -788,9 +788,8 @@ static void t_write_multiple_indices(void) }, }; - strbuf_reset(&buf); - strbuf_addf(&buf, "refs/heads/%04d", i); - log.refname = buf.buf, + snprintf(buf, sizeof(buf), "refs/heads/%04d", i); + log.refname = buf; err = reftable_writer_add_log(writer, &log); check(!err); @@ -824,7 +823,6 @@ static void t_write_multiple_indices(void) reftable_writer_free(writer); reftable_reader_decref(reader); strbuf_release(&writer_buf); - strbuf_release(&buf); } static void t_write_multi_level_index(void) @@ -848,10 +846,10 @@ static void t_write_multi_level_index(void) .value_type = REFTABLE_REF_VAL1, .value.val1 = {i}, }; + char buf[128]; - strbuf_reset(&buf); - strbuf_addf(&buf, "refs/heads/%03" PRIuMAX, (uintmax_t)i); - ref.refname = buf.buf, + snprintf(buf, sizeof(buf), "refs/heads/%03" PRIuMAX, (uintmax_t)i); + ref.refname = buf; err = reftable_writer_add_ref(writer, &ref); check(!err); diff --git a/t/unit-tests/t-reftable-stack.c b/t/unit-tests/t-reftable-stack.c index 874095b9ee2..b56ea774312 100644 --- a/t/unit-tests/t-reftable-stack.c +++ b/t/unit-tests/t-reftable-stack.c @@ -105,7 +105,6 @@ static int write_test_ref(struct reftable_writer *wr, void *arg) static void write_n_ref_tables(struct reftable_stack *st, size_t n) { - struct strbuf buf = STRBUF_INIT; int disable_auto_compact; int err; @@ -117,10 +116,10 @@ static void write_n_ref_tables(struct reftable_stack *st, .update_index = reftable_stack_next_update_index(st), .value_type = REFTABLE_REF_VAL1, }; + char buf[128]; - strbuf_reset(&buf); - strbuf_addf(&buf, "refs/heads/branch-%04"PRIuMAX, (uintmax_t)i); - ref.refname = buf.buf; + snprintf(buf, sizeof(buf), "refs/heads/branch-%04"PRIuMAX, (uintmax_t)i); + ref.refname = buf; t_reftable_set_hash(ref.value.val1, i, GIT_SHA1_FORMAT_ID); err = reftable_stack_add(st, &write_test_ref, &ref); @@ -128,7 +127,6 @@ static void write_n_ref_tables(struct reftable_stack *st, } st->opts.disable_auto_compact = disable_auto_compact; - strbuf_release(&buf); } struct write_log_arg { @@ -434,7 +432,10 @@ static void t_reftable_stack_auto_compaction_fails_gracefully(void) * Adding a new table to the stack should not be impacted by this, even * though auto-compaction will now fail. */ - strbuf_addf(&table_path, "%s/%s.lock", dir, st->readers[0]->name); + strbuf_addstr(&table_path, dir); + strbuf_addstr(&table_path, "/"); + strbuf_addstr(&table_path, st->readers[0]->name); + strbuf_addstr(&table_path, ".lock"); write_file_buf(table_path.buf, "", 0); ref.update_index = 2; @@ -1077,8 +1078,10 @@ static void t_reftable_stack_auto_compaction_with_locked_tables(void) * size, we expect that auto-compaction will want to compact all of the * tables. Locking any of the tables will keep it from doing so. */ - strbuf_reset(&buf); - strbuf_addf(&buf, "%s/%s.lock", dir, st->readers[2]->name); + strbuf_addstr(&buf, dir); + strbuf_addstr(&buf, "/"); + strbuf_addstr(&buf, st->readers[2]->name); + strbuf_addstr(&buf, ".lock"); write_file_buf(buf.buf, "", 0); /* @@ -1101,7 +1104,6 @@ static void t_reftable_stack_add_performs_auto_compaction(void) { struct reftable_write_options opts = { 0 }; struct reftable_stack *st = NULL; - struct strbuf refname = STRBUF_INIT; char *dir = get_tmp_dir(__LINE__); int err; size_t i, n = 20; @@ -1115,6 +1117,7 @@ static void t_reftable_stack_add_performs_auto_compaction(void) .value_type = REFTABLE_REF_SYMREF, .value.symref = (char *) "master", }; + char buf[128]; /* * Disable auto-compaction for all but the last runs. Like this @@ -1123,9 +1126,8 @@ static void t_reftable_stack_add_performs_auto_compaction(void) */ st->opts.disable_auto_compact = i != n; - strbuf_reset(&refname); - strbuf_addf(&refname, "branch-%04"PRIuMAX, (uintmax_t)i); - ref.refname = refname.buf; + snprintf(buf, sizeof(buf), "branch-%04"PRIuMAX, (uintmax_t)i); + ref.refname = buf; err = reftable_stack_add(st, write_test_ref, &ref); check(!err); @@ -1142,7 +1144,6 @@ static void t_reftable_stack_add_performs_auto_compaction(void) } reftable_stack_destroy(st); - strbuf_release(&refname); clear_dir(dir); } @@ -1163,8 +1164,10 @@ static void t_reftable_stack_compaction_with_locked_tables(void) check_int(st->merged->readers_len, ==, 3); /* Lock one of the tables that we're about to compact. */ - strbuf_reset(&buf); - strbuf_addf(&buf, "%s/%s.lock", dir, st->readers[1]->name); + strbuf_addstr(&buf, dir); + strbuf_addstr(&buf, "/"); + strbuf_addstr(&buf, st->readers[1]->name); + strbuf_addstr(&buf, ".lock"); write_file_buf(buf.buf, "", 0); /* @@ -1321,10 +1324,13 @@ static void t_reftable_stack_reload_with_missing_table(void) * our old readers. This should trigger a partial reload of the stack, * where we try to reuse our old readers. */ - strbuf_addf(&content, "%s\n", st->readers[0]->name); - strbuf_addf(&content, "%s\n", st->readers[1]->name); + strbuf_addstr(&content, st->readers[0]->name); + strbuf_addstr(&content, "\n"); + strbuf_addstr(&content, st->readers[1]->name); + strbuf_addstr(&content, "\n"); strbuf_addstr(&content, "garbage\n"); - strbuf_addf(&table_path, "%s.lock", st->list_file); + strbuf_addstr(&table_path, st->list_file); + strbuf_addstr(&table_path, ".lock"); write_file_buf(table_path.buf, content.buf, content.len); err = rename(table_path.buf, st->list_file); check(!err);
-- 2.47.0.dirty