Method consumeAvailable

src/FileRise/Storage/CurlReadStream.php:234–263

(?int $length)

    }

    private function consumeAvailable(?int $length)
    {
        $available = $this->availableBytes();
        if ($available <= 0) {
            return $this->failed ? false : '';
        }

        $toRead = ($length === null || $length <= 0) ? $available : min($length, $available);
        if ($toRead <= 0 || !is_resource($this->buffer)) {
            return $this->failed ? false : '';
        }

        if (@fseek($this->buffer, $this->readOffset) !== 0) {
            $this->fail('Unable to seek WebDAV read buffer.');
            return false;
        }

        $data = @fread($this->buffer, $toRead);
        if ($data === false) {
            $this->fail('Unable to read WebDAV buffer.');
            return false;
        }

        $this->readOffset += strlen($data);
        if ($this->readOffset >= $this->writeOffset) {
            $this->resetBufferIfDrained();
        }

        return $data;
    }

    private function availableBytes(): int
    {