C++ prf函数代码示例

/*virtual*/ void gui_filterbar_c::created()
{
    set_theme_rect(CONSTASTR("filter"), false);

    filtereditheight = gui->theme().conf().get_int(CONSTASTR("filtereditheight"), 25);

    if (prf().get_options().is(UIOPT_SHOW_SEARCH_BAR))
    {
        gui_textfield_c &e = (MAKE_CHILD<gui_textfield_c>(getrid(), L"", MAX_PATH, 0, false) << (gui_textedit_c::TEXTCHECKFUNC)DELEGATE(this, update_filter));
        edit = &e;
        e.set_placeholder(TOOLTIP(TTT("Search", 277)), get_default_text_color(COL_PLACEHOLDER));
        e.register_kbd_callback(DELEGATE(this, cancel_filter), SSK_ESC, false);
    }
    if (prf().get_options().is(UIOPT_TAGFILETR_BAR))
    {
        fill_tags();
    }

    search_in_messages = prf().is_loaded() && prf().get_options().is(MSGOP_FULL_SEARCH);

    if (!is_all())
        refresh_list();

    __super::created();
}

void active_protocol_c::save_config( const ts::blob_c &cfg_ )
{
    tableview_active_protocol_s &t = prf().get_table_active_protocol();
    if (auto *r = t.find<true>(id))
    {
        if ( r->other.config != cfg_)
        {
            time_t n = now();
            if ( (n-last_backup_time) > prf().backup_period() )
            {
                last_backup_time = n;
                tableview_backup_protocol_s &backup = prf().get_table_backup_protocol();
                auto &row = backup.getcreate(0);
                row.other.time = now();
                row.other.tick = GetTickCount();
                row.other.protoid = id;
                row.other.config = r->other.config;
            }
        }

        r->other.config = cfg_;
        r->other.config.set_size(cfg_.size()); // copy content
        r->changed();
        prf().changed();
    }
}

int verbose(const char * fmt, ...)
{
    va_list ap;

	va_start(ap, fmt);
    if (gVerboseMode)
    {
		if (bootArgs->Video.v_display == VGA_TEXT_MODE)
			prf(fmt, ap, putchar, 0);
		else
			vprf(fmt, ap);
    }

	{
		// Kabyl: BooterLog
		struct putc_info pi;

		if (!msgbuf)
			return 0;

		if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE)))
			return 0;
		pi.str = cursor;
		pi.last_str = 0;
		prf(fmt, ap, sputc, &pi);
		cursor +=  strlen((char *)cursor);
	}

    va_end(ap);
    return(0);
}

active_protocol_c::active_protocol_c(int id, const active_protocol_data_s &pd):id(id), lastconfig(ts::Time::past())
{
    int dspflags = cfg().dsp_flags();

    auto w = syncdata.lock_write();
    w().data = pd;
    w().data.config.set_size(pd.config.size()); // copy content due race condition

    if (w().data.sort_factor == 0)
    {
        w().data.sort_factor = id;
        for(; nullptr != prf().find_ap([&]( const active_protocol_c &oap )->bool {
        if (&oap == this) return false;
            return oap.sort_factor() == w().data.sort_factor;
        }) ; ++w().data.sort_factor );
    }
    g_app->F_PROTOSORTCHANGED = true;

    w().volume = cfg().vol_talk();
    w().dsp_flags = dspflags;
    w().manual_cos = (contact_online_state_e)prf().manual_cos();

    cvt.volume = cfg().vol_mic();
    cvt.filter_options.init(fmt_converter_s::FO_NOISE_REDUCTION, FLAG(dspflags, DSP_MIC_NOISE));
    cvt.filter_options.init(fmt_converter_s::FO_GAINER, FLAG(dspflags, DSP_MIC_AGC));

}

int error(const char * fmt, ...)
{
	va_list ap;
	gErrors = true;
	va_start(ap, fmt);
	if (bootArgs->Video.v_display == VGA_TEXT_MODE) {
		prf(fmt, ap, putchar, 0);
	} else {
		vprf(fmt, ap);
	}
    
    {
        // Kabyl: BooterLog
        struct putc_info pi;
        
        if (!msgbuf) {
            return 0;
        }
        
        if (((cursor - msgbuf) > (BOOTER_LOG_SIZE - SAFE_LOG_SIZE))) {
            return 0;
        }
        
        pi.str = cursor;
        pi.last_str = 0;
        prf(fmt, ap, sputc, &pi);
        cursor +=  strlen((char *)cursor);
    }
    
	va_end(ap);
	return(0);
}

bool gui_filterbar_c::option_handler(RID, GUIPARAM p)
{
    search_in_messages = p != nullptr;
    if (prf().is_loaded())
        prf().set_options( search_in_messages ? MSGOP_FULL_SEARCH : 0, MSGOP_FULL_SEARCH );
    found_stuff.fsplit.clear();
    refresh_list();
    return true;
}

/*
 * reader: read from remote: line -> 1
 */
static int
reader(int oldmask)
{
	/*
	 * 4.3bsd or later and SunOS 4.0 or later use the posiitive
	 * pid; otherwise use the negative.
	 */
	pid_t pid = getpid();
	int n, remaining;
	char *bufp = rcvbuf;

	(void) sigset(SIGTTOU, SIG_IGN);
	(void) sigset(SIGURG, (void (*)())oob);
	ppid = getppid();
	if (fcntl(rem, F_SETOWN, pid) == -1)
		perror("fcntl F_SETOWN");
	/*
	 * A SIGURG may have been posted before we were completely forked,
	 * which means we may not have received it. To insure we do not miss
	 * any urgent data, we force the signal. The signal hander will be
	 * able to determine if in fact there is urgent data or not.
	 */
	(void) kill(pid, SIGURG);
	(void) setjmp(rcvtop);
	sigsetmask(oldmask);
	for (;;) {
		while ((remaining = rcvcnt - (bufp - rcvbuf)) > 0) {
			rcvstate = WRITING;
			n = write(STDOUT_FILENO, bufp, remaining);
			if (n < 0) {
				if (errno != EINTR) {
					prf(gettext(
					    "Write error to terminal: %s"),
					    strerror(errno));
					return (-1);
				}
				continue;
			}
			bufp += n;
		}
		bufp = rcvbuf;
		rcvcnt = 0;
		rcvstate = READING;
		rcvcnt = desread(rem, rcvbuf, sizeof (rcvbuf), 0);
		if (rcvcnt == 0)
			return (0);
		if (rcvcnt < 0) {
			if (errno == EINTR)
				continue;
			prf(gettext("Read error from network: %s"),
			    strerror(errno));
			return (-1);
		}
	}
}

// Generate key material from the shared secret created from the ECDHE key exchange.
static bool generate_key_material(sptps_t *s, const char *shared, size_t len) {
	// Initialise cipher and digest structures if necessary
	if(!s->outstate) {
		s->incipher = chacha_poly1305_init();
		s->outcipher = chacha_poly1305_init();
		if(!s->incipher || !s->outcipher)
			return error(s, EINVAL, "Failed to open cipher");
	}

	// Allocate memory for key material
	size_t keylen = 2 * CHACHA_POLY1305_KEYLEN;

	s->key = realloc(s->key, keylen);
	if(!s->key)
		return error(s, errno, strerror(errno));

	// Create the HMAC seed, which is "key expansion" + session label + server nonce + client nonce
	char seed[s->labellen + 64 + 13];
	strcpy(seed, "key expansion");
	if(s->initiator) {
		memcpy(seed + 13, s->mykex + 1, 32);
		memcpy(seed + 45, s->hiskex + 1, 32);
	} else {
		memcpy(seed + 13, s->hiskex + 1, 32);
		memcpy(seed + 45, s->mykex + 1, 32);
	}
	memcpy(seed + 77, s->label, s->labellen);

	// Use PRF to generate the key material
	if(!prf(shared, len, seed, s->labellen + 64 + 13, s->key, keylen))
		return error(s, EINVAL, "Failed to generate key material");

	return true;
}

void active_protocol_c::push_debug_settings()
{
    if (prf().get_options().is(OPTOPT_POWER_USER))
        ipcp->send(ipcw(AQ_DEBUG_SETTINGS) << cfg().debug());
    else
        ipcp->send(ipcw(AQ_DEBUG_SETTINGS) << ts::str_c());
}

void
prcmd(struct trenod *t)
{
	nonl++;
	prf(t);
	nonl = 0;
}

int main(void)
{
	Name l[1001]; // l[0][0] stores the size of l[0]
	int lsize, i;

	lsize = 0;
	while(fgets(l[lsize].ori, 90, stdin))
	{
		l[lsize].len = strlen(l[lsize].ori) - 1;
		l[lsize].ori[ l[lsize].len ] = '\0';
		//prf("'%s' len = %d\n", l[lsize].ori, l[lsize].len);

		if(l[lsize].len == 0)
			break;

		for(i = 0; i < l[lsize].len; i++)
			l[lsize].min[i] = tolower(l[lsize].ori[i]);

		lsize++;
	}

	qsort(l, lsize, sizeof(Name), cmpName);

	prf("%s\n", l[lsize - 1].ori);

	return 0;
}

static void
lostpeer(void)
{
	(void) sigset(SIGPIPE, SIG_IGN);
	prf(gettext("\aConnection to %.*s closed."), MAXHOSTNAMELEN, host);
	done(EXIT_FAILURE);
}

int error(const char * fmt, ...)
{
    va_list ap;
    gErrors = YES;
    va_start(ap, fmt);
    prf(fmt, ap, putchar, 0);
    va_end(ap);
    return(0);
}

int printf(const char * fmt, ...)
{
    va_list ap;
    if (bootArgs->graphicsMode != TEXT_MODE) return -1;
    va_start(ap, fmt);
    prf(fmt, ap, putchar, 0);
    va_end(ap);
    return 0;
}

ts::uint32 active_protocol_c::gm_handler(gmsg<ISOGM_CHANGED_SETTINGS>&ch)
{
    if (ch.pass == 0 && ipcp && (ch.protoid == 0 || ch.protoid == id))
    {
        switch (ch.sp)
        {
        case PP_USERNAME:
            if (ch.protoid == id)
            {
                syncdata.lock_write()().data.user_name = ch.s;
                ipcp->send(ipcw(AQ_SET_NAME) << ch.s);
            } else if (syncdata.lock_read()().data.user_name.is_empty())
                ipcp->send(ipcw(AQ_SET_NAME) << ch.s);
            return GMRBIT_CALLAGAIN;
        case PP_USERSTATUSMSG:
            if (ch.protoid == id)
            {
                syncdata.lock_write()().data.user_statusmsg = ch.s;
                ipcp->send(ipcw(AQ_SET_STATUSMSG) << ch.s);
            } else if (syncdata.lock_read()().data.user_statusmsg.is_empty())
                ipcp->send(ipcw(AQ_SET_STATUSMSG) << ch.s);
            return GMRBIT_CALLAGAIN;
        case PP_NETWORKNAME:
            if (ch.protoid == id)
                syncdata.lock_write()().data.name = ch.s;
            return GMRBIT_CALLAGAIN;
        case PP_ONLINESTATUS:
            if (contact_c *c = contacts().get_self().subget( contact_key_s(0, id) ))
                set_ostate(c->get_ostate());
            break;
        case PP_PROFILEOPTIONS:
            if (0 != (ch.bits & UIOPT_PROTOICONS) && !prf().get_options().is(UIOPT_PROTOICONS))
                icons_cache.clear(); // FREE MEMORY
            break;
        case CFG_TALKVOLUME:
            syncdata.lock_write()().volume = cfg().vol_talk();
            break;
        case CFG_MICVOLUME:
            cvt.volume = cfg().vol_mic();
            break;
        case CFG_DSPFLAGS:
        {
            int flags = cfg().dsp_flags();
            cvt.filter_options.init( fmt_converter_s::FO_NOISE_REDUCTION, FLAG(flags, DSP_MIC_NOISE) );
            cvt.filter_options.init( fmt_converter_s::FO_GAINER, FLAG(flags, DSP_MIC_AGC) );
            syncdata.lock_write()().dsp_flags = flags;
        }
        break;
        case CFG_DEBUG:
            push_debug_settings();
            break;
        }
    }
    return 0;
}