libsparse: Limit block size to 64 MB

  return 0;

}

/*

 * This is a workaround for 32-bit Windows: Limit the block size to 64 MB before

 * fastboot executable binary for windows 64-bit is released (b/156057250).

 */

#define MAX_BACKED_BLOCK_SIZE ((unsigned int) (64UL << 20))

int sparse_file_write(struct sparse_file* s, int fd, bool gz, bool sparse, bool crc) {

  struct backed_block* bb;

  int ret;

  int chunks;

  struct output_file* out;

  for (bb = backed_block_iter_new(s->backed_block_list); bb; bb = backed_block_iter_next(bb)) {

    ret = backed_block_split(s->backed_block_list, bb, MAX_BACKED_BLOCK_SIZE);

    if (ret) return ret;

  }

  chunks = sparse_count_chunks(s);

  out = output_file_open_fd(fd, s->block_size, s->len, gz, sparse, chunks, crc);