Verify return code from rnet_encode.

If a given file header is not currently supported or has other problems
that we did not detect during first parsing, the user should be warned
and the program bail out.

diff --git a/rnetclient.c b/rnetclient.c
index e37a723..0ba06a8 100644 (file)
--- a/rnetclient.c
+++ b/rnetclient.c
@@ -489,7 +489,12 @@ int main(int argc, char **argv)
                fprintf(stderr, "error in handshake: %s\n",
                                gnutls_strerror(r));
 
-       rnet_encode(decfile, &message);
+       r = rnet_encode(decfile, &message);
+       if (r < 0) {
+               fprintf(stderr, "error encoding message, file not supported?\n");
+               goto out;
+       }
+
        rnet_send(session, message->buffer, message->len, 1);
        rnet_message_del(message);