lib-compression: ostream-bzlib2 - Do not finish stream early

Flushing can happen when not finishing stream, so do not
finalize stream until it's the final flush.

diff --git a/src/lib-compression/ostream-bzlib.c b/src/lib-compression/ostream-bzlib.c
index 9839fab6fa06f9d0d14547a7d3f008e106d388de..a8a488e58b6b8dc8f69bd1246fa7839e61487b87 100644 (file)
--- a/src/lib-compression/ostream-bzlib.c
+++ b/src/lib-compression/ostream-bzlib.c
@@ -112,6 +112,10 @@ static int o_stream_bzlib_send_flush(struct bzlib_ostream *zstream)
        if ((ret = o_stream_zlib_send_outbuf(zstream)) <= 0)
                return ret;
 
+       /* do not attempt to finish the stream early */
+       if (!final)
+               return 1;
+
        i_assert(zstream->outbuf_used == 0);
        do {
                len = sizeof(zstream->outbuf) - zs->avail_out;