resolve_ref_1(): eliminate local variable

In place of `buf`, use `refname`, which is anyway a better description of what is being pointed at. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Michael Haggerty committed Apr 7, 2016 at 15:02 UTC 90c28ae11c5a9d8386606c727be1d80699c9aa92
1 file changed +6 -7
refs/files-backend.c
+6 -7
@@ -1426,7 +1426,6 @@ static const char *resolve_ref_1(const char *refname,
1426 for (symref_count = 0; symref_count < MAXDEPTH; symref_count++) {
1427 const char *path;
1428 struct stat st;
1429 - char *buf;
1429 int fd;
1430
1431 strbuf_reset(sb_path);
@@ -1532,21 +1531,21 @@ static const char *resolve_ref_1(const char *refname,
1531 return refname;
1532 }
1533 *flags |= REF_ISSYMREF;
1535 - buf = sb_contents->buf + 4;
1536 - while (isspace(*buf))
1537 - buf++;
1534 + refname = sb_contents->buf + 4;
1535 + while (isspace(*refname))
1536 + refname++;
1537 strbuf_reset(sb_refname);
1539 - strbuf_addstr(sb_refname, buf);
1538 + strbuf_addstr(sb_refname, refname);
1539 refname = sb_refname->buf;
1540 if (resolve_flags & RESOLVE_REF_NO_RECURSE) {
1541 hashclr(sha1);
1542 return refname;
1543 }
1545 - if (check_refname_format(buf, REFNAME_ALLOW_ONELEVEL)) {
1544 + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
1545 *flags |= REF_ISBROKEN;
1546
1547 if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
1549 - !refname_is_safe(buf)) {
1548 + !refname_is_safe(refname)) {
1549 errno = EINVAL;
1550 return NULL;
1551 }