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#include "harness.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
static unsigned long parse_ul(const char *name, const char *arg)
{
char *end;
unsigned long result = strtoul(arg, &end, 0);
if (*end || !*arg)
{
fprintf(stderr, "Invalid %s: %s\n", name, arg);
exit(1);
}
return result;
}
void args_init(int argc, char *argv[])
{
unsigned int shift_state = 0;
while(1)
{
int opt = getopt(argc, argv, "a:d:D:f:i:k:r:t:w:");
if (opt == -1)
break;
switch(opt)
{
case 'a':
set_cpu_limit(parse_ul("CPU limit", optarg));
break;
case 'd': /* Debugging. */
while (*optarg)
{
switch(*optarg++)
{
case 'v':
vm86_debug();
break;
case 's':
vm86_step();
break;
case 'e':
event_debug();
break;
}
}
break;
case 'D': /* Set date in Y-M-D format. */
{
char *next;
unsigned long year = strtoul(optarg, &next, 0);
unsigned long month = strtoul(*next-'-'?"0":next+1, &next, 0);
unsigned long day = strtoul(*next-'-'?"0":next+1, &next, 0);
if (year-1970>129 || month-1>11 || *next ||
day-1>27+(month^2?2+((month>>3)^(month&1)):!(year&3)))
{
fprintf(stderr, "Failed to parse date or out of range: %s\n"
"Use format: YYYY-MM-DD. Year must be 1970-2099.\n",
optarg);
exit(1);
}
set_date(year, month, day);
}
break;
case 'f':
set_mbr(optarg);
break;
case 'i':
{
unsigned int if_enable = 0;
unsigned int if_mask = -1;
int enable = 1;
char *p = optarg;
while (*p)
{
switch (*p++)
{
case '+': enable = 1; break;
case '-': enable = 0; break;
case 'b':
if_mask &= ~INTERFACE_BIG_DISK;
if_enable = enable
? if_enable|INTERFACE_BIG_DISK
: if_enable&~INTERFACE_BIG_DISK;
break;
default:
fprintf(stderr, "Unknown interface: '%c'\n", p[-1]);
exit(1);
}
}
set_interfaces(if_enable, if_mask);
}
break;
case 'k':
{
char *arg = optarg;
if(arg[0] == '+' || arg[0] == '-' || arg[0] == '=')
{
int add = arg[0] != '-';
unsigned int mask = 0;
if (arg[0] == '=')
shift_state = 0;
while(*++arg)
{
switch(*arg)
{
case 'r':
mask |= 1;
break;
case 'l':
mask |= 2;
break;
case 'c':
mask |= 4;
break;
default:
fprintf(stderr, "Unknown shift character: '%c'.\n",
*arg);
exit(1);
}
}
shift_state = add ? shift_state|mask : shift_state&~mask;
put_shift_event(shift_state);
}
else
put_key_event(parse_ul("keycode", arg));
}
break;
case 'r':
put_rate_event(parse_ul("tick rate", optarg));
break;
case 't':
init_time(parse_ul("initial time", optarg));
break;
case 'w':
put_wait_event(parse_ul("wait", optarg));
break;
case '?':
exit(1);
}
}
for(;optind < argc; optind++)
set_mbr(argv[optind]);
}
/* */
/* Local Variables: */
/* mode:c */
/* c-indentation-style: "whitesmith" */
/* c-basic-offset: 2 */
/* End: */
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