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[2a01:4f8:120:2468::2]) by smtp.gmail.com with ESMTPSA id ds5-20020a170907724500b006df8f39dadesm7006601ejc.218.2022.03.29.06.56.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Mar 2022 06:56:21 -0700 (PDT) From: =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= To: git@vger.kernel.org Cc: Junio C Hamano , Han Xin , Jiang Xin , =?UTF-8?q?Ren=C3=A9=20Scharfe?= , Derrick Stolee , Philip Oakley , Neeraj Singh , Elijah Newren , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= Subject: [PATCH v12 4/8] object-file.c: factor out deflate part of write_loose_object() Date: Tue, 29 Mar 2022 15:56:09 +0200 Message-Id: X-Mailer: git-send-email 2.35.1.1548.g36973b18e52 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Split out the part of write_loose_object() that deals with calling git_deflate() into a utility function, a subsequent commit will introduce another function that'll make use of it. Signed-off-by: Ævar Arnfjörð Bjarmason --- object-file.c | 31 +++++++++++++++++++++++++------ 1 file changed, 25 insertions(+), 6 deletions(-) diff --git a/object-file.c b/object-file.c index 7f160929e00..6e2f2264f8c 100644 --- a/object-file.c +++ b/object-file.c @@ -2004,6 +2004,28 @@ static int start_loose_object_common(struct strbuf *tmp_file, return fd; } +/** + * Common steps for the inner git_deflate() loop for writing loose + * objects. Returns what git_deflate() returns. + */ +static int write_loose_object_common(git_hash_ctx *c, + git_zstream *stream, const int flush, + unsigned char *in0, const int fd, + unsigned char *compressed, + const size_t compressed_len) +{ + int ret; + + ret = git_deflate(stream, flush ? Z_FINISH : 0); + the_hash_algo->update_fn(c, in0, stream->next_in - in0); + if (write_buffer(fd, compressed, stream->next_out - compressed) < 0) + die(_("unable to write loose object file")); + stream->next_out = compressed; + stream->avail_out = compressed_len; + + return ret; +} + /** * Common steps for loose object writers to end writing loose objects: * @@ -2049,12 +2071,9 @@ static int write_loose_object(const struct object_id *oid, char *hdr, stream.avail_in = len; do { unsigned char *in0 = stream.next_in; - ret = git_deflate(&stream, Z_FINISH); - the_hash_algo->update_fn(&c, in0, stream.next_in - in0); - if (write_buffer(fd, compressed, stream.next_out - compressed) < 0) - die(_("unable to write loose object file")); - stream.next_out = compressed; - stream.avail_out = sizeof(compressed); + + ret = write_loose_object_common(&c, &stream, 1, in0, fd, + compressed, sizeof(compressed)); } while (ret == Z_OK); if (ret != Z_STREAM_END) -- 2.35.1.1548.g36973b18e52