[PATCH v2 04/11] resolve_ref_unsafe(): use skip_prefix() to skip over "ref:"

[Michael Haggerty]

From: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>

This requires buf to be declared (const char *), which is how it is
used anyway.

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/refs.c b/refs.c
index 771941b..020ee3f 100644
--- a/refs.c
+++ b/refs.c
@@ -1416,7 +1416,7 @@ const char *resolve_ref_unsafe(const char *refname, 
unsigned char *sha1, int rea
        for (;;) {
                char path[PATH_MAX];
                struct stat st;
-               char *buf;
+               const char *buf;
                int fd;
 
                if (--depth < 0) {
@@ -1497,11 +1497,10 @@ const char *resolve_ref_unsafe(const char *refname, 
unsigned char *sha1, int rea
                        len--;
                buffer[len] = '\0';
 
-               if (starts_with(buffer, "ref:")) {
+               if (skip_prefix(buffer, "ref:", &buf)) {
                        /* It is a symbolic ref */
                        if (flag)
                                *flag |= REF_ISSYMREF;
-                       buf = buffer + 4;
                        while (isspace(*buf))
                                buf++;
                        if (check_refname_format(buf, REFNAME_ALLOW_ONELEVEL)) {
-- 
2.1.1

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