Add an assert

2023-04-03 13:59:37 -04:00
parent 1770d061d6
commit f3e4974f6a
1 changed files with 1 additions and 0 deletions
--- a/luprex/cpp/drv/driver-common.cpp
+++ b/luprex/cpp/drv/driver-common.cpp
@@ -270,6 +270,7 @@ class Driver {
        char *data;
        int ndata = BIO_get_mem_data(chan.send_bio, &data);
        if (ndata > DRV_SHORTSTRING_SIZE) ndata = DRV_SHORTSTRING_SIZE;
+        assert(ndata > 0);
        std::string err;
        int nwrote = socket_send(chan.socket, data, ndata, err);
        // std::cerr << "chan " << chan.chid << " send " << nwrote << " err=" << err << std::endl;