X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=object.c;h=37784cee9a90a7e5b44dd660d6b7ea9191b59486;hb=e94528a0e99ea54520b8aff016275a7622c55a47;hp=4d46e0d5e4285251e60d2a6d938f38355ac5d2c0;hpb=810e1523753553968aac827f57e0e24fc9af6546;p=git.git diff --git a/object.c b/object.c index 4d46e0d5e..37784cee9 100644 --- a/object.c +++ b/object.c @@ -9,7 +9,9 @@ struct object **objs; static int nr_objs; int obj_allocs; -int track_object_refs = 1; +const char *type_names[] = { + "none", "blob", "tree", "commit", "bad" +}; static int hashtable_index(const unsigned char *sha1) { @@ -50,8 +52,7 @@ void created_object(const unsigned char *sha1, struct object *obj) obj->parsed = 0; memcpy(obj->sha1, sha1, 20); - obj->type = NULL; - obj->refs = NULL; + obj->type = TYPE_NONE; obj->used = 0; if (obj_allocs - 1 <= nr_objs * 2) { @@ -80,73 +81,6 @@ void created_object(const unsigned char *sha1, struct object *obj) nr_objs++; } -struct object_refs *alloc_object_refs(unsigned count) -{ - struct object_refs *refs; - size_t size = sizeof(*refs) + count*sizeof(struct object *); - - refs = xcalloc(1, size); - refs->count = count; - return refs; -} - -static int compare_object_pointers(const void *a, const void *b) -{ - const struct object * const *pa = a; - const struct object * const *pb = b; - if (*pa == *pb) - return 0; - else if (*pa < *pb) - return -1; - else - return 1; -} - -void set_object_refs(struct object *obj, struct object_refs *refs) -{ - unsigned int i, j; - - /* Do not install empty list of references */ - if (refs->count < 1) { - free(refs); - return; - } - - /* Sort the list and filter out duplicates */ - qsort(refs->ref, refs->count, sizeof(refs->ref[0]), - compare_object_pointers); - for (i = j = 1; i < refs->count; i++) { - if (refs->ref[i] != refs->ref[i - 1]) - refs->ref[j++] = refs->ref[i]; - } - if (j < refs->count) { - /* Duplicates were found - reallocate list */ - size_t size = sizeof(*refs) + j*sizeof(struct object *); - refs->count = j; - refs = xrealloc(refs, size); - } - - for (i = 0; i < refs->count; i++) - refs->ref[i]->used = 1; - obj->refs = refs; -} - -void mark_reachable(struct object *obj, unsigned int mask) -{ - if (!track_object_refs) - die("cannot do reachability with object refs turned off"); - /* If we've been here already, don't bother */ - if (obj->flags & mask) - return; - obj->flags |= mask; - if (obj->refs) { - const struct object_refs *refs = obj->refs; - unsigned i; - for (i = 0; i < refs->count; i++) - mark_reachable(refs->ref[i], mask); - } -} - struct object *lookup_object_type(const unsigned char *sha1, const char *type) { if (!type) { @@ -179,7 +113,7 @@ struct object *lookup_unknown_object(const unsigned char *sha1) if (!obj) { union any_object *ret = xcalloc(1, sizeof(*ret)); created_object(sha1, &ret->object); - ret->object.type = NULL; + ret->object.type = TYPE_NONE; return &ret->object; } return obj; @@ -200,8 +134,11 @@ struct object *parse_object(const unsigned char *sha1) obj = &blob->object; } else if (!strcmp(type, tree_type)) { struct tree *tree = lookup_tree(sha1); - parse_tree_buffer(tree, buffer, size); obj = &tree->object; + if (!tree->object.parsed) { + parse_tree_buffer(tree, buffer, size); + buffer = NULL; + } } else if (!strcmp(type, commit_type)) { struct commit *commit = lookup_commit(sha1); parse_commit_buffer(commit, buffer, size); @@ -263,3 +200,20 @@ int object_list_contains(struct object_list *list, struct object *obj) } return 0; } + +void add_object_array(struct object *obj, const char *name, struct object_array *array) +{ + unsigned nr = array->nr; + unsigned alloc = array->alloc; + struct object_array_entry *objects = array->objects; + + if (nr >= alloc) { + alloc = (alloc + 32) * 2; + objects = xrealloc(objects, alloc * sizeof(*objects)); + array->alloc = alloc; + array->objects = objects; + } + objects[nr].item = obj; + objects[nr].name = name; + array->nr = ++nr; +}