Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx> writes:
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
The result is certainly easier to read. "when possible" is not
quite a right way to look at it, though. I think the patch does it
when it makes sense (i.e. when the result becomes easier to read),
which is much better ;-)
I initially thought that the name "arg" was too bland, but we can
think of these as pointing at an argument on each line that begins
with a command (e.g. "have", "shallow", etc.), and when viewed that
way, calling the second token on the line an "arg" makes sense.
> upload-pack.c | 26 +++++++++++++++-----------
> 1 file changed, 15 insertions(+), 11 deletions(-)
>
> diff --git a/upload-pack.c b/upload-pack.c
> index bfb7985..257ad48 100644
> --- a/upload-pack.c
> +++ b/upload-pack.c
> @@ -276,7 +276,7 @@ static void create_pack_file(void)
> die("git upload-pack: %s", abort_msg);
> }
>
> -static int got_sha1(char *hex, unsigned char *sha1)
> +static int got_sha1(const char *hex, unsigned char *sha1)
> {
> struct object *o;
> int we_knew_they_have = 0;
> @@ -382,6 +382,8 @@ static int get_common_commits(void)
>
> for (;;) {
> char *line = packet_read_line(0, NULL);
> + const char *arg;
> +
> reset_timeout();
>
> if (!line) {
> @@ -403,8 +405,8 @@ static int get_common_commits(void)
> got_other = 0;
> continue;
> }
> - if (starts_with(line, "have ")) {
> - switch (got_sha1(line+5, sha1)) {
> + if (skip_prefix(line, "have ", &arg)) {
> + switch (got_sha1(arg, sha1)) {
> case -1: /* they have what we do not */
> got_other = 1;
> if (multi_ack && ok_to_give_up()) {
> @@ -616,14 +618,16 @@ static void receive_needs(void)
> const char *features;
> unsigned char sha1_buf[20];
> char *line = packet_read_line(0, NULL);
> + const char *arg;
> +
> reset_timeout();
> if (!line)
> break;
>
> - if (starts_with(line, "shallow ")) {
> + if (skip_prefix(line, "shallow ", &arg)) {
> unsigned char sha1[20];
> struct object *object;
> - if (get_sha1_hex(line + 8, sha1))
> + if (get_sha1_hex(arg, sha1))
> die("invalid shallow line: %s", line);
> object = parse_object(sha1);
> if (!object)
> @@ -636,19 +640,19 @@ static void receive_needs(void)
> }
> continue;
> }
> - if (starts_with(line, "deepen ")) {
> + if (skip_prefix(line, "deepen ", &arg)) {
> char *end;
> - depth = strtol(line + 7, &end, 0);
> - if (end == line + 7 || depth <= 0)
> + depth = strtol(arg, &end, 0);
> + if (end == arg || depth <= 0)
> die("Invalid deepen: %s", line);
> continue;
> }
> - if (!starts_with(line, "want ") ||
> - get_sha1_hex(line+5, sha1_buf))
> + if (!skip_prefix(line, "want ", &arg) ||
> + get_sha1_hex(arg, sha1_buf))
> die("git upload-pack: protocol error, "
> "expected to get sha, not '%s'", line);
>
> - features = line + 45;
> + features = arg + 40;
>
> if (parse_feature_request(features, "multi_ack_detailed"))
> multi_ack = 2;
--
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