guy@sun.uucp (Guy Harris) (08/31/85)
It scans the argument list for flag arguments under the assumption that the null pointer at the end of the argument list points to a string which doesn't begin with a "-". Sloppy, guys; a null pointer doesn't point to *anything*, especially on a Sun... *** /arch/s5r2/usr/src/cmd/xargs.c Wed Jun 15 19:15:26 1983 --- ./xargs.c Thu Aug 29 15:01:19 1985 *************** *** 55,61 /* look for flag arguments */ ! while ( (*argv)[0] == '-' ) { flagval = *argv+1; switch ( *flagval++ ) { case 'x': DASHX = LEGAL = TRUE; --- 55,61 ----- /* look for flag arguments */ ! while ( argc != 0 && (*argv)[0] == '-' ) { flagval = *argv+1; switch ( *flagval++ ) { case 'x': DASHX = LEGAL = TRUE; *************** *** 104,110 break; } argv++; ! if ( --argc < 1 ) break; } if( ! OK ) ERR = TRUE; --- 104,110 ----- break; } argv++; ! argc--; } if( ! OK ) ERR = TRUE;