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>

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 067ce1c39e5f2fb12c12d2895f1584b90d2b5688..69ec9036e0c8b70304e57f30a2f94d675340e914 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -1426,7 +1426,6 @@ static const char *resolve_ref_1(const char *refname,
        for (symref_count = 0; symref_count < MAXDEPTH; symref_count++) {
                const char *path;
                struct stat st;
-               char *buf;
                int fd;
 
                strbuf_reset(sb_path);
@@ -1532,21 +1531,21 @@ static const char *resolve_ref_1(const char *refname,
                        return refname;
                }
                *flags |= REF_ISSYMREF;
-               buf = sb_contents->buf + 4;
-               while (isspace(*buf))
-                       buf++;
+               refname = sb_contents->buf + 4;
+               while (isspace(*refname))
+                       refname++;
                strbuf_reset(sb_refname);
-               strbuf_addstr(sb_refname, buf);
+               strbuf_addstr(sb_refname, refname);
                refname = sb_refname->buf;
                if (resolve_flags & RESOLVE_REF_NO_RECURSE) {
                        hashclr(sha1);
                        return refname;
                }
-               if (check_refname_format(buf, REFNAME_ALLOW_ONELEVEL)) {
+               if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) {
                        *flags |= REF_ISBROKEN;
 
                        if (!(resolve_flags & RESOLVE_REF_ALLOW_BAD_NAME) ||
-                           !refname_is_safe(buf)) {
+                           !refname_is_safe(refname)) {
                                errno = EINVAL;
                                return NULL;
                        }