BTRFS_LABEL_SIZE
if (name->Length() >= BTRFS_LABEL_SIZE)
name->Truncate(BTRFS_LABEL_SIZE - 1);
fNameControl->TextView()->SetMaxBytes(BTRFS_LABEL_SIZE);
strlcpy(label, name, BTRFS_LABEL_SIZE);
char label[BTRFS_LABEL_SIZE];
if (name == NULL || strlen(name) >= BTRFS_LABEL_SIZE