René Scharfe <l....@web.de> writes:
> @@ -335,20 +337,18 @@ static int append_ref(const char *refname, const
> unsigned char *sha1, int flags,
> static struct {
> int kind;
> const char *prefix;
> - int pfxlen;
> } ref_kind[] = {
> - { REF_LOCAL_BRANCH, "refs/heads/", 11 },
> - { REF_REMOTE_BRANCH, "refs/remotes/", 13 },
> + { REF_LOCAL_BRANCH, "refs/heads/" },
> + { REF_REMOTE_BRANCH, "refs/remotes/" },
> };
>
> /* Detect kind */
> for (i = 0; i < ARRAY_SIZE(ref_kind); i++) {
> prefix = ref_kind[i].prefix;
> - if (strncmp(refname, prefix, ref_kind[i].pfxlen))
> - continue;
> - kind = ref_kind[i].kind;
> - refname += ref_kind[i].pfxlen;
> - break;
> + if (skip_prefix(refname, prefix, &refname)) {
> + kind = ref_kind[i].kind;
> + break;
> + }
This certainly makes it easier to read.
I suspect that the original was done as a (possibly premature)
optimization to avoid having to do strlen(3) on a variable that
points at constant strings for each and every ref we iterate with
for_each_rawref(), and it is somewhat sad to see it lost because
skip_prefix() assumes that the caller never knows the length of the
prefix, though.
Thanks.
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