Function sys_early_init

src/sys.c:20–112

struct sysopt_s sysopt;

void
sys_early_init(void)
{
    const char *p;

    /* Don't assume that these are not already set, and that it is
     * safe to dupstr() without orphaning any pointers. Check them. */

    sysopt.support = (char *) 0;
    sysopt.recover = (char *) 0;
#ifdef SYSCF
    sysopt.wizards = (char *) 0;
#else
    if (sysopt.wizards)
        free((genericptr_t) sysopt.wizards);
    sysopt.wizards = dupstr(WIZARD_NAME);
#endif

    if ((p = getenv("DEBUGFILES")) != 0) {
        if (sysopt.debugfiles)
            free((genericptr_t) sysopt.debugfiles);
        sysopt.debugfiles = dupstr(p);
        sysopt.env_dbgfl = 1; /* prevent sysconf processing from overriding */
    } else {
#if defined(SYSCF) || !defined(DEBUGFILES)
        sysopt.debugfiles = (char *) 0;
#else
        if (sysopt.debugfiles)
            free((genericptr_t) sysopt.debugfiles);
        sysopt.debugfiles = dupstr(DEBUGFILES);
#endif
        sysopt.env_dbgfl = 0;
    }

#ifdef DUMPLOG
    sysopt.dumplogfile = (char *) 0;
#endif
    sysopt.shellers = (char *) 0;
    sysopt.explorers = (char *) 0;
    sysopt.genericusers = (char *) 0;
    sysopt.msghandler = (char *) 0;
    sysopt.maxplayers = 0; /* XXX eventually replace MAX_NR_OF_PLAYERS */
    sysopt.bones_pools = 0;
    sysopt.livelog = LL_NONE;

    /* record file */
    sysopt.persmax = max(PERSMAX, 1);
    sysopt.entrymax = max(ENTRYMAX, 10);
    sysopt.pointsmin = max(POINTSMIN, 1);
    sysopt.pers_is_uid = PERS_IS_UID;
    sysopt.tt_oname_maxrank = 10;

    /* sanity checks */
    if (sysopt.pers_is_uid != 0 && sysopt.pers_is_uid != 1)
        panic("config error: PERS_IS_UID must be either 0 or 1");

#ifdef PANICTRACE
    /* panic options */