Function is_valid_tar_header

src/file_tar.c:100–108

}

int is_valid_tar_header(const struct tar_posix_header *h)
{
  /* Do not remove this check. */
  if(memcmp(&h->magic, tar_header_gnu, sizeof(tar_header_gnu)) != 0 && memcmp(&h->magic, tar_header_posix, sizeof(tar_header_posix)) != 0)
    return 0;
  if(is_valid_checksum_format(h) == 0)
    return 0;
  return 1;
}

/*@
  @ requires buffer_size >= sizeof(struct tar_posix_header);