struct duc_dir *duc_dir_new(struct duc *duc, const struct duc_devino *devino)
{
size_t vall;
char key[32];
size_t keyl = snprintf(key, sizeof(key), "%jx/%jx", (uintmax_t)devino->dev, (uintmax_t)devino->ino);
char *val = db_get(duc->db, key, keyl, &vall);
if(val == NULL) {
duc->err = DUC_E_PATH_NOT_FOUND;
return NULL;
}
struct duc_dir *dir = duc_malloc0(sizeof(struct duc_dir));
dir->duc = duc;
dir->devino.dev = devino->dev;
dir->devino.ino = devino->ino;
dir->path = NULL;
dir->ent_pool = 32768;
dir->ent_list = duc_malloc(dir->ent_pool);
dir->size_type = -1;
struct buffer *b = buffer_new(val, vall);
/* Read dir header */
buffer_get_dir(b, &dir->devino_parent, &dir->mtime);
/* Read all dirents */
while(b->ptr < b->len) {
if((dir->ent_count+1) * sizeof(struct duc_dirent) > dir->ent_pool) {
dir->ent_pool *= 2;
dir->ent_list = duc_realloc(dir->ent_list, dir->ent_pool);
}
struct duc_dirent *ent = &dir->ent_list[dir->ent_count];
buffer_get_dirent(b, ent);
duc_size_accum(&dir->size, &ent->size);
dir->ent_count ++;
}
buffer_free(b);
return dir;
}
int duc_dir_add_ent(struct duc_dir *dir, const char *name, off_t size_apparent, off_t size_actual, uint8_t type, dev_t dev, ino_t ino)
{
if((dir->ent_count+1) * sizeof(struct duc_dirent) > dir->ent_pool) {
dir->ent_pool *= 2;
dir->ent_list = duc_realloc(dir->ent_list, dir->ent_pool);
}
struct duc_dirent *ent = &dir->ent_list[dir->ent_count];
dir->ent_count ++;
ent->name = duc_strdup(name);
ent->size_apparent = size_apparent;
ent->size_actual = size_actual;
ent->type = type;
ent->dev = dev;
ent->ino = ino;
return 0;
}
