sum               437 src/vfs/tar/tar.c     long sum = 0;
sum               450 src/vfs/tar/tar.c         sum += 0xFF & *p++;
sum               456 src/vfs/tar/tar.c         sum -= 0xFF & header->header.chksum[i];
sum               460 src/vfs/tar/tar.c     sum += ' ' * sizeof (header->header.chksum);
sum               467 src/vfs/tar/tar.c     if (sum == 8 * ' ')
sum               470 src/vfs/tar/tar.c     if (sum != recsum && signed_sum != recsum)