int main(int argc, char *argv[])
{
int x, y, op, prev_x, prev_y, prev_op, result;
char operator, *str;
printf("mathprep\n\n");
init_randomness();
x = y = op = 0;
if ((str = malloc(BUFFSIZE)) == NULL)
exit(EXIT_FAILURE);
for (;;) {
prev_x = x;
prev_y = y;
prev_op = op;
do {
x = random_int(1, 8);
y = random_int(1, 3);
op = random_int(1, 2);
} while (x == prev_x && y == prev_y && op == prev_op);
switch (op) {
case OP_ADD:
operator = '+';
result = x + y;
break;
case OP_SUB:
operator = '-';
result = x - y;
break;
default:
/* this should not happen :) */
assert(0);
};
snprintf(str, BUFFSIZE, "%i %c %i", x, operator, y);
if (!ask(str, result))
break;
}
free(str);
exit(EXIT_SUCCESS);
}
struct uuid_result create_and_log_uuids(const struct Options *opt)
{
struct uuid_result retval;
char *rcfile = NULL, *logfile = NULL;
unsigned int i, count;
struct Rc rc;
struct Entry entry;
struct Logs logs;
assert(opt);
logs.logfp = NULL;
count = opt->count;
retval.count = 0;
memset(retval.lastuuid, 0, UUID_LENGTH + 1);
retval.success = TRUE;
init_xml_entry(&entry);
/*
* Get information about the environment; hostname, current directory,
* tty, location of rc file and log directory, etc.
*/
if (init_randomness() == EXIT_FAILURE) {
retval.success = FALSE;
goto cleanup;
}
rcfile = get_rcfilename(opt);
if (read_rcfile(rcfile, &rc) == EXIT_FAILURE) {
retval.success = FALSE;
goto cleanup;
}
if (fill_entry_struct(&entry, &rc, opt) == EXIT_FAILURE) {
retval.success = FALSE;
goto cleanup;
}
logfile = get_log_prefix(&rc, opt, ".xml");
if (!logfile) {
retval.success = FALSE;
goto cleanup;
}
signal(SIGHUP, sighandler);
signal(SIGINT, sighandler);
signal(SIGQUIT, sighandler);
signal(SIGPIPE, sighandler);
signal(SIGTERM, sighandler);
/*
* Open the log file. If it's missing, create it.
*/
logs.logfp = open_logfile(logfile);
if (!logs.logfp) {
retval.success = FALSE;
goto cleanup;
}
/*
* Generate the UUIDs and write them to the log file.
*/
if (opt->uuid)
count = 1;
for (i = 0; i < count; i++) {
if (!process_uuid(&logs, &rc, opt, &entry)) {
retval.success = FALSE;
goto cleanup;
}
retval.count++;
if (should_terminate)
break;
}
if (valid_uuid(entry.uuid, TRUE))
strncpy(retval.lastuuid, entry.uuid, UUID_LENGTH + 1);
/*
* Check that the correct amount of UUIDs were created.
*/
if (retval.count < opt->count)
fprintf(stderr, "%s: Generated only %u of %u UUIDs\n",
progname, retval.count, opt->count);
/*
* Close up the shop and go home.
*/
cleanup:
if (logs.logfp && (close_logfile(logs.logfp) == EXIT_FAILURE))
retval.success = FALSE;
free(logfile);
free_sess(&entry);
free_tags(&entry);
free(rc.uuidcmd);
free(rc.macaddr);
free(rc.hostname);
free(entry.txt);
free(entry.date);
free(entry.cwd);
free(rcfile);
return retval;
}
