%c drops zero byte in ncurses-5.2-20020907

[Frank Henigman]

The %c code in a string like 

  cup=X%p1%cY%p2%cZ

can't produce a zero byte.  Try

  tput cup 0 0

and you get XYZ.  Looking at

 46 MODULE_ID("$Id: lib_tparm.c,v 1.59 2002/09/07 20:50:03 Philippe.Blain Exp 
$") 

one sees

537             case 'X':           /* FALLTHRU */
538             case 'c':           /* FALLTHRU */
539                 save_number(format, npop(), len);
540                 break;

and that save_number() uses strlen() to count the output bytes.
Obviously strlen() won't count a zero byte.  I think the fix is

537             case 'X':           /* FALLTHRU */
538                 save_number(format, npop(), len);
539                 break;
540
541             case 'c':
542                 save_char(npop());
543                 break;

Frank.