Defined (1)

The function is defined in the following location(s).

/geo/geoip.inc.php  

function _geoip_seek_country($gi, $ipnum) 
{ 
    $offset = 0; 
    for ($depth = 31; $depth >= 0; --$depth) { 
        if ($gi->flags & GEOIP_MEMORY_CACHE) { 
            $buf = _safe_substr( 
                $gi->memory_buffer,  
                2 * $gi->record_length * $offset,  
                2 * $gi->record_length 
 ); 
        } elseif ($gi->flags & GEOIP_SHARED_MEMORY) { 
            $buf = _sharedMemRead( 
                $gi,  
                2 * $gi->record_length * $offset,  
                2 * $gi->record_length 
 ); 
        } else { 
            fseek($gi->filehandle, 2 * $gi->record_length * $offset, SEEK_SET) == 0 
            or trigger_error("GeoIP API: fseek failed", E_USER_ERROR); 
            $buf = fread($gi->filehandle, 2 * $gi->record_length); 
        } 
        $x = array(0, 0); 
        for ($i = 0; $i < 2; ++$i) { 
            for ($j = 0; $j < $gi->record_length; ++$j) { 
                $x[$i] += ord($buf[$gi->record_length * $i + $j]) << ($j * 8); 
            } 
        } 
        if ($ipnum & (1 << $depth)) { 
            if ($x[1] >= $gi->databaseSegments) { 
                return $x[1]; 
            } 
            $offset = $x[1]; 
        } else { 
            if ($x[0] >= $gi->databaseSegments) { 
                return $x[0]; 
            } 
            $offset = $x[0]; 
        } 
    } 
    trigger_error("GeoIP API: Error traversing database - perhaps it is corrupt?", E_USER_ERROR); 
    return false; 
}