cache.h: define constants LOCK_SUFFIX and LOCK_SUFFIX_LEN

diff --git a/refs.c b/refs.c
index 0e324770c9b06730d49cf60436d431c4a2a3f6ec..73d6baedb09568c7938d6842fd4ed3f9a589ffbd 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -79,7 +79,8 @@ static int check_refname_component(const char *refname, int flags)
                if (refname[1] == '\0')
                        return -1; /* Component equals ".". */
        }
-       if (cp - refname >= 5 && !memcmp(cp - 5, ".lock", 5))
+       if (cp - refname >= LOCK_SUFFIX_LEN &&
+           !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN))
                return -1; /* Refname ends with ".lock". */
        return cp - refname;
 }
@@ -2602,11 +2603,11 @@ static int delete_ref_loose(struct ref_lock *lock, int flag)
 {
        if (!(flag & REF_ISPACKED) || flag & REF_ISSYMREF) {
                /* loose */
-               int err, i = strlen(lock->lk->filename) - 5; /* .lock */
+               int err, i = strlen(lock->lk->filename) - LOCK_SUFFIX_LEN;
 
                lock->lk->filename[i] = 0;
                err = unlink_or_warn(lock->lk->filename);
-               lock->lk->filename[i] = '.';
+               lock->lk->filename[i] = LOCK_SUFFIX[0];
                if (err && errno != ENOENT)
                        return 1;
        }