[PATCH 09/21] resolve_ref_1(): eliminate local variable

[Michael Haggerty]

In place of `buf`, use `refname`, which is anyway a better description
of what is being pointed at.

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs/files-backend.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 067ce1c..69ec903 100644
--- 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;
                        }
-- 
2.8.0.rc3

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