4. block

The block command will return the information of block with a particular UUID.

fprintf(stderr, "blk: prints block info given UUID\n");

static void print_block(wmp_block *blk)
{
    printf("id = %d\nhead_segment = %d\nname = %s\n"
           "nblocks = %d\nnsegs = %d\n",
           blk->id,
           blk->head_segment,
           blk->name,
           blk->nblocks,
           blk->nsegs);
}

static int get_blk(int argc, char *argv[]);

static int get_blk(int argc, char *argv[])
{
    wmp_core core;
    int rc;
    wmp_block blk;
    unsigned int id;
    int err;
    int prog;

    prog = 0;
    err = 0;
    if (argc < 2) {
        fprintf(stderr, "Usage: %s UUID [prog]\n", argv[0]);
        return 1;
    }
    rc = wmp_core_open(&core, wmp_filename_get());
    if (!rc) return 0;
    wmp_block_init(&blk);
    id = atoi(argv[1]);

    if (argc > 2) prog = atoi(argv[2]);

    rc = wmp_find_block(&core, id, &blk, prog);

    if(!rc) {
        fprintf(stderr,
                "Could not find block in program %d "
                "with id %d\n",
                prog,
                id);
        err = 1;
    } else {
        print_block(&blk);
    }
    wmp_block_free(&blk);
    wmp_core_close(&core);
    return err;
}

else if (match(argv[1], len, "blk", 3)) {
    argv++;
    argc--;
    get_blk(argc, argv);
}

---

prev | home | next