[PATCH v8 7/7] object-name: re-use "struct strbuf" in show_ambiguous_object()
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From: Ævar Arnfjörð Bjarmason <hidden>
Date: 2022-01-27 05:27:15
Subsystem:
the rest · Maintainer:
Linus Torvalds
Reduce the allocations done by show_ambiguous_object() by moving the "desc" strbuf into the "struct ambiguous_output" introduced in the preceding commit. This doesn't matter for optimization purposes, but since we're accumulating a "struct strbuf advice" anyway let's follow that pattern and add a "struct strbuf sb", we can then strbuf_reset() it rather than calling strbuf_release() for each call to show_ambiguous_object(). Signed-off-by: Ævar Arnfjörð Bjarmason <redacted> --- object-name.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/object-name.c b/object-name.c
index 6154e1ec6f8..61b58a2f292 100644
--- a/object-name.c
+++ b/object-name.c@@ -354,6 +354,7 @@ static int init_object_disambiguation(struct repository *r, struct ambiguous_output { const struct disambiguate_state *ds; struct strbuf advice; + struct strbuf sb; }; static int show_ambiguous_object(const struct object_id *oid, void *data)
@@ -361,7 +362,7 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) struct ambiguous_output *state = data; const struct disambiguate_state *ds = state->ds; struct strbuf *advice = &state->advice; - struct strbuf desc = STRBUF_INIT; + struct strbuf *sb = &state->sb; int type; const char *hash;
@@ -377,7 +378,7 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * output shown when we cannot look up or parse the * object in question. E.g. "deadbeef [bad object]". */ - strbuf_addf(&desc, _("%s [bad object]"), hash); + strbuf_addf(sb, _("%s [bad object]"), hash); goto out; }
@@ -402,8 +403,8 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * * "deadbeef commit 2021-01-01 - Some Commit Message" */ - strbuf_addf(&desc, _("%s commit %s - %s"), - hash, date.buf, msg.buf); + strbuf_addf(sb, _("%s commit %s - %s"), hash, date.buf, + msg.buf); strbuf_release(&date); strbuf_release(&msg);
@@ -423,7 +424,7 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * The third argument is the "tag" string * from object.c. */ - strbuf_addf(&desc, _("%s tag %s - %s"), hash, + strbuf_addf(sb, _("%s tag %s - %s"), hash, show_date(tag->date, 0, DATE_MODE(SHORT)), tag->tag); } else {
@@ -434,7 +435,7 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * * "deadbeef [bad tag, could not parse it]" */ - strbuf_addf(&desc, _("%s [bad tag, could not parse it]"), + strbuf_addf(sb, _("%s [bad tag, could not parse it]"), hash); } } else if (type == OBJ_TREE) {
@@ -442,13 +443,13 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * TRANSLATORS: This is a line of ambiguous <type> * object output. E.g. "deadbeef tree". */ - strbuf_addf(&desc, _("%s tree"), hash); + strbuf_addf(sb, _("%s tree"), hash); } else if (type == OBJ_BLOB) { /* * TRANSLATORS: This is a line of ambiguous <type> * object output. E.g. "deadbeef blob". */ - strbuf_addf(&desc, _("%s blob"), hash); + strbuf_addf(sb, _("%s blob"), hash); }
@@ -459,9 +460,9 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) * you'll probably want to swap the "%s" and leading " " space * around. */ - strbuf_addf(advice, _(" %s\n"), desc.buf); + strbuf_addf(advice, _(" %s\n"), sb->buf); - strbuf_release(&desc); + strbuf_reset(sb); return 0; }
@@ -560,6 +561,7 @@ static enum get_oid_result get_short_oid(struct repository *r, struct oid_array collect = OID_ARRAY_INIT; struct ambiguous_output out = { .ds = &ds, + .sb = STRBUF_INIT, .advice = STRBUF_INIT, };
@@ -589,6 +591,7 @@ static enum get_oid_result get_short_oid(struct repository *r, oid_array_clear(&collect); strbuf_release(&out.advice); + strbuf_release(&out.sb); } return status;
--
2.35.0.890.gd7e422415d9