-static int get_tree_entry(const unsigned char *, const char *, unsigned char *);
-
-static int find_tree_entry(struct tree_desc *t, const char *name, unsigned char *result)
-{
- int namelen = strlen(name);
- while (t->size) {
- const char *entry;
- const unsigned char *sha1;
- int entrylen, cmp;
- unsigned mode;
-
- sha1 = tree_entry_extract(t, &entry, &mode);
- update_tree_entry(t);
- entrylen = strlen(entry);
- if (entrylen > namelen)
- continue;
- cmp = memcmp(name, entry, entrylen);
- if (cmp > 0)
- continue;
- if (cmp < 0)
- break;
- if (entrylen == namelen) {
- memcpy(result, sha1, 20);
- return 0;
- }
- if (name[entrylen] != '/')
- continue;
- if (!S_ISDIR(mode))
- break;
- if (++entrylen == namelen) {
- memcpy(result, sha1, 20);
- return 0;
- }
- return get_tree_entry(sha1, name + entrylen, result);
- }
- return -1;
-}
-
-static int get_tree_entry(const unsigned char *tree_sha1, const char *name, unsigned char *sha1)
-{
- int retval;
- void *tree;
- struct tree_desc t;
-
- tree = read_object_with_reference(tree_sha1, tree_type, &t.size, NULL);
- if (!tree)
- return -1;
- t.buf = tree;
- retval = find_tree_entry(&t, name, sha1);
- free(tree);
- return retval;
-}
-