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[104.178.186.189]) by smtp.gmail.com with ESMTPSA id x15sm10715540ilp.23.2021.08.31.13.52.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Aug 2021 13:52:15 -0700 (PDT) Date: Tue, 31 Aug 2021 16:52:14 -0400 From: Taylor Blau To: git@vger.kernel.org Cc: peff@peff.net, dstolee@microsoft.com, gitster@pobox.com, jonathantanmy@google.com Subject: [PATCH v5 13/27] pack-bitmap.c: introduce 'nth_bitmap_object_oid()' Message-ID: <9f165037ce5e002fc7f4cc8d41969693f2376772.1630443072.git.me@ttaylorr.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org A subsequent patch to support reading MIDX bitmaps will be less noisy after extracting a generic function to fetch the nth OID contained in the bitmap. Signed-off-by: Taylor Blau --- pack-bitmap.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/pack-bitmap.c b/pack-bitmap.c index 65356f9657..612f62da97 100644 --- a/pack-bitmap.c +++ b/pack-bitmap.c @@ -223,6 +223,13 @@ static inline uint8_t read_u8(const unsigned char *buffer, size_t *pos) #define MAX_XOR_OFFSET 160 +static int nth_bitmap_object_oid(struct bitmap_index *index, + struct object_id *oid, + uint32_t n) +{ + return nth_packed_object_id(oid, index->pack, n); +} + static int load_bitmap_entries_v1(struct bitmap_index *index) { uint32_t i; @@ -242,7 +249,7 @@ static int load_bitmap_entries_v1(struct bitmap_index *index) xor_offset = read_u8(index->map, &index->map_pos); flags = read_u8(index->map, &index->map_pos); - if (nth_packed_object_id(&oid, index->pack, commit_idx_pos) < 0) + if (nth_bitmap_object_oid(index, &oid, commit_idx_pos) < 0) return error("corrupt ewah bitmap: commit index %u out of range", (unsigned)commit_idx_pos); @@ -868,8 +875,8 @@ static unsigned long get_size_by_pos(struct bitmap_index *bitmap_git, off_t ofs = pack_pos_to_offset(pack, pos); if (packed_object_info(the_repository, pack, ofs, &oi) < 0) { struct object_id oid; - nth_packed_object_id(&oid, pack, - pack_pos_to_index(pack, pos)); + nth_bitmap_object_oid(bitmap_git, &oid, + pack_pos_to_index(pack, pos)); die(_("unable to get size of %s"), oid_to_hex(&oid)); } } else { -- 2.33.0.96.g73915697e6