diff options
Diffstat (limited to 'refs.c')
| -rw-r--r-- | refs.c | 32 |
1 files changed, 23 insertions, 9 deletions
@@ -315,6 +315,23 @@ static int ref_entry_cmp(const void *a, const void *b) static void sort_ref_dir(struct ref_dir *dir); +struct string_slice { + size_t len; + const char *str; +}; + +static int ref_entry_cmp_sslice(const void *key_, const void *ent_) +{ + struct string_slice *key = (struct string_slice *)key_; + struct ref_entry *ent = *(struct ref_entry **)ent_; + int entlen = strlen(ent->name); + int cmplen = key->len < entlen ? key->len : entlen; + int cmp = memcmp(key->str, ent->name, cmplen); + if (cmp) + return cmp; + return key->len - entlen; +} + /* * Return the entry with the given refname from the ref_dir * (non-recursively), sorting dir if necessary. Return NULL if no @@ -323,20 +340,17 @@ static void sort_ref_dir(struct ref_dir *dir); static struct ref_entry *search_ref_dir(struct ref_dir *dir, const char *refname, size_t len) { - struct ref_entry *e, **r; + struct ref_entry **r; + struct string_slice key; if (refname == NULL || !dir->nr) return NULL; sort_ref_dir(dir); - - e = xmalloc(sizeof(struct ref_entry) + len + 1); - memcpy(e->name, refname, len); - e->name[len] = '\0'; - - r = bsearch(&e, dir->entries, dir->nr, sizeof(*dir->entries), ref_entry_cmp); - - free(e); + key.len = len; + key.str = refname; + r = bsearch(&key, dir->entries, dir->nr, sizeof(*dir->entries), + ref_entry_cmp_sslice); if (r == NULL) return NULL; |