#include <libcbd.h>

#include <cbdutil.h>

int
cbd_stats(const char* dev, struct cbd_stats* stats)
{
    int fd;
    uint8_t buf[PBLK_SIZE];
    struct cbd_header header;

    fd = open(dev, O_RDONLY);
    if (fd < 0) {
        error("Cannot open device\n");
    }
    if (read(fd, buf, sizeof(buf)) != sizeof(buf)) {
        error("Cannot read device\n");
    }
    close(fd);
    cbd_header_get(buf, &header);
    if (memcmp(header.magic, CBD_MAGIC, sizeof(header.magic)) != 0) {
        error("Bad magic\n");
    }
    memcpy(stats, &header.stats, sizeof(struct cbd_stats));

    return 0;
}