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Length: 2160 (0x870)
Types: TextFile
Names: »doargs.c«
└─⟦b20c6495f⟧ Bits:30007238 EUUGD18: Wien-båndet, efterår 1987
└─⟦this⟧ »EUUGD18/General/Hangman1/doargs.c«
/* doargs.c
* handles command line arguments
* written by: ritcv!jxs7451
*/
#include "hangman.h"
#include<stdio.h>
#include<strings.h>
#define OPLEN 7 /* max length of input options string */
doargs(argc, argv, debug, hard, length)
int argc;
char *argv[];
int *debug;
int *hard;
int *length;
{
char *strcpy();
char buf[OPLEN]; /* holds argv[1] for decoding */
int i; /* loop counter */
if ((argc > 2) || (strlen(argv[1]) > (OPLEN - 1))) /* too many arguments */
usage();
if (argc == 2) /* must be an attempted option */
{
strcpy(buf,argv[1]);
if (buf[0] != '-')
usage();
for(i=1;buf[i] != '\0';i++)
switch(buf[i]) {
case 'D' :
if (!(*debug))
if (DBUG == getuid())
(*debug)++;
else
{
puts("Debug permission denied.");
exit(0); /* terminate program */
}
else
usage();
break;
case 'h':
if (!(*hard))
*hard = 1;
else if (*hard == 2)
twolev();
else
usage();
break;
case 'e':
if (!(*hard))
*hard = 2;
else if (*hard == 1)
twolev();
else
usage();
break;
case 'l':
if (!(*length))
*length = 1;
else if (*length == 2)
twolen();
else
usage();
break;
case 'L':
if (!(*length))
*length = 2;
else if (*length == 1)
twolen();
else
usage();
break;
default:
usage();
break;
} /* switch */
}
}