int
main(int argc, char **argv)
{
struct nandsim_command *cmdopts;
int retcode = 0;
if (argc < 2) {
cmdhelp(argc, argv);
retcode = EX_USAGE;
} else {
cmdopts = getcommand(argv[1]);
if (cmdopts != NULL && cmdopts->commandfunc != NULL) {
if (checkusage(argc, cmdopts->req_argc, argv) == 1) {
/* Print command specific usage */
printf("nandsim %s", cmdopts->usagestring);
return (EX_USAGE);
}
retcode = cmdopts->commandfunc(argc, argv);
if (retcode == EX_USAGE) {
/* Print command-specific usage */
printf("nandsim %s", cmdopts->usagestring);
} else if (retcode == EX_OSFILE) {
error("Could not open device file");
}
} else {
error("Unknown command!");
retcode = EX_USAGE;
}
}
return (retcode);
}
void initparam(string *argv, string *defv)
{
int nparam;
param *pvec;
progname = argv[0]; // initialize program name
nparam = 1 + countdefaults(defv); // include argv0 in count
pvec = (param *) allocate(sizeof(param) * (nparam + 1));
setprogram(pvec, argv[0]); // install 0th argument
copydefaults(pvec, defv); // set up default values
if (argv[1] != NULL) // if first arg is given...
checkhelp(pvec, argv[1]); // see if help is requested
setarguments(pvec, argv); // args override defaults
checkusage(pvec); // complain if args missing
paramvec = pvec; // install parameter vector
savehistory(pvec); // save activation record
}
