// CHECK-LABEL: define void @test_conditional_bzero
void test_conditional_bzero() {
char dst[20];
int _sz = 20, len = 20;
return (_sz
? ((_sz >= len)
? __builtin_bzero(dst, len)
: foo())
: __builtin_bzero(dst, len));
// CHECK: call void @llvm.memset
// CHECK: call void @llvm.memset
// CHECK-NOT: phi
}
void z(int n, ...)
{
va_list list;
va_start (list, n);
while (n--)
{
int *a = va_arg (list, int *);
__builtin_bzero (a, sizeof (l));
}
va_end (list);
}
static _ais_t *_getAIS (unsigned int mmsi)
{
// return this
_ais_t *ais = NULL;
// check that gps_done() haven't flush this
if (NULL == _ais_list) {
g_print("s52ais:_getAIS() no AIS list\n");
return NULL;
}
unsigned int i = 0;
for (i=0; i<_ais_list->len; ++i) {
ais = &g_array_index(_ais_list, _ais_t, i);
if (mmsi == ais->mmsi) {
return ais;
}
}
{ // NEW AIS (not found hence new)
_ais_t newais;
__builtin_bzero(&newais, sizeof(_ais_t));
newais.mmsi = mmsi;
newais.status = -1; // 0 indicate that status form report is needed
//newais.name[AIS_SHIPNAME_MAXLEN + 1] = '\0';
newais.name[0] = '\0';
g_get_current_time(&newais.lastUpdate);
newais.course = -1.0;
newais.speed = 0.0;
// create an active symbol, put mmsi since status is not known yet
g_sprintf(newais.name, "%i", mmsi);
#ifdef S52_USE_SOCK
// debug: make ferry acte as ownshp
if (OWNSHIP == mmsi) {
gchar *resp = _encodeNsend("S52_newOWNSHP", "\"%s\"", newais.name);
if (NULL != resp) {
sscanf(resp, "[ %lu", (long unsigned int *) &newais.vesselH);
}
g_print("s52ais:_getAIS(): new ownshpH:%lu\n", (long unsigned int) newais.vesselH);
} else {
gchar *resp = _encodeNsend("S52_newVESSEL", "%i,\"%s\"", 2, newais.name);
if (NULL != resp) {
sscanf(resp, "[ %lu", (long unsigned int *) &newais.vesselH);
}
g_print("s52ais:_getAIS(): new vesselH:%lu\n", (long unsigned int) newais.vesselH);
}
#else // S52_USE_SOCK
// debug: make ferry acte as ownshp
if (OWNSHIP == mmsi) {
newais.vesselH = S52_newOWNSHP(newais.name);
} else {
//int vesrce = 1; // ARPA
int vesrce = 2; // AIS
//int vesrce = 3; // VTS
newais.vesselH = S52_newVESSEL(vesrce, newais.name);
}
#endif // S52_USE_SOCK
// new AIS failed
if (NULL == newais.vesselH) {
g_print("s52ais:_getAIS(): new vesselH fail\n");
return NULL;
}
#ifdef S52_USE_AFGLOW
#ifdef S52_USE_SOCK
// debug: make ferry acte as ownshp
if (OWNSHIP == mmsi) {
gchar *resp = _encodeNsend("S52_newMarObj", "\"%s\",%i,%i", "afgshp", S52_LINES, MAX_AFGLOW_PT);
if (NULL != resp) {
sscanf(resp, "[ %lu", (long unsigned int *) &newais.afglowH);
}
g_print("s52ais:_getAIS(): new afglowH:%lu\n", (long unsigned int) newais.afglowH);
} else {
gchar *resp = _encodeNsend("S52_newMarObj", "\"%s\",%i,%i", "afgves", S52_LINES, MAX_AFGLOW_PT);
if (NULL != resp) {
sscanf(resp, "[ %lu", (long unsigned int *) &newais.afglowH);
}
g_print("s52ais:_getAIS(): new afglowH:%lu\n", (long unsigned int) newais.afglowH);
}
#else // S52_USE_SOCK
// debug: make ferry acte as ownshp
if (OWNSHIP == mmsi)
newais.afglowH = S52_newMarObj("afgshp", S52_LINES, MAX_AFGLOW_PT, NULL, NULL);
else
newais.afglowH = S52_newMarObj("afgves", S52_LINES, MAX_AFGLOW_PT, NULL, NULL);
#endif // S52_USE_SOCK
if (NULL == newais.afglowH) {
g_print("s52ais:_getAIS(): new afglowH fail\n");
return NULL;
}
#endif
// save S52obj handle after registered in libS52
g_array_append_val(_ais_list, newais);
ais = &g_array_index(_ais_list, _ais_t, _ais_list->len - 1);
#ifdef S52_USE_DBUS
_signal_newVESSEL(_dbus, newais.vesselH, newais.name);
#endif
}
return ais;
}
static gpointer _gpsdClientRead(gpointer dummy)
// start gpsd client - loop forever
// return if _ais_list is NULL or 10 failed attempt to connect
{
int nWait = 0;
g_print("s52ais:_gpsdClientRead(): start looping ..\n");
__builtin_bzero(&_gpsdata, sizeof(_gpsdata));
//*
while (0 != gps_open(GPSD_HOST, GPSD_PORT, &_gpsdata)) { // android (gpsd 2.96)
g_print("s52ais:_gpsdClientRead(): no gpsd running or network error, wait 1 sec: %d, %s\n", errno, gps_errstr(errno));
// try to connect to GPSD server, bailout after 10 failed attempt
g_static_mutex_lock(&_ais_list_mutex);
if ((NULL==_ais_list) || (10 <= ++nWait)) {
g_print("s52ais:_gpsdClientRead() no AIS list (main exited) or no GPSD server.. terminate _gpsClientRead thread\n");
g_static_mutex_unlock(&_ais_list_mutex);
return NULL;
}
g_static_mutex_unlock(&_ais_list_mutex);
g_usleep(1000 * 1000); // 1.0 sec
}
if (-1 == gps_stream(&_gpsdata, WATCH_ENABLE|WATCH_NEWSTYLE, NULL)) {
g_print("s52ais:_gpsdClientRead():gps_stream() failed .. exiting\n");
return NULL;
}
//*/
// debug
//gps_enable_debug(3, stderr);
//gps_enable_debug(8, stderr);
// heart of the client
for (;;) {
g_static_mutex_lock(&_ais_list_mutex);
if (NULL == _ais_list) {
g_print("s52ais:_gpsdClientRead() no AIS list .. main exited .. terminate gpsRead thread\n");
goto exit;
}
g_static_mutex_unlock(&_ais_list_mutex);
if (FALSE == gps_waiting(&_gpsdata, 500*1000)) { // wait 0.5 sec (500*1000 uSec)
//g_print("s52ais:_gpsdClientRead():gps_waiting() timed out\n");
g_static_mutex_lock(&_ais_list_mutex);
_updateTimeTag();
g_static_mutex_unlock(&_ais_list_mutex);
} else {
errno = 0;
int ret = gps_read(&_gpsdata);
if (0 < ret) {
// no error
//g_print("s52ais:_gpsdClientRead():gps_read() ..\n");
// handle AIS data
g_static_mutex_lock(&_ais_list_mutex);
_updateAISdata(&_gpsdata);
g_static_mutex_unlock(&_ais_list_mutex);
continue;
}
if (0 == ret) {
g_print("s52ais:_gpsdClientRead():gps_read(): NO DATA .. [ret=0, errno=%i]\n", errno);
continue;
} else {
g_print("s52ais:_gpsdClientRead():gps_read(): socket error 4 .. GPSD died [ret=%i, errno=%i]\n", ret, errno);
goto exit;
}
}
}
exit:
// exit thread
g_static_mutex_unlock(&_ais_list_mutex);
gps_stream(&_gpsdata, WATCH_DISABLE, NULL);
gps_close(&_gpsdata);
return dummy;
}
void
builtin_bzero (char *s, size_t n)
{
__builtin_bzero (s, n);
}
