Increase tls_writer buffer by at least 4 bytes

diff --git a/src/libtls/tls_writer.c b/src/libtls/tls_writer.c
index 235dc2cdffd87b7449436ff210c74b0391172f90..e87c2efeaba3b744cced3966611a48e262aa05e7 100644 (file)
--- a/src/libtls/tls_writer.c
+++ b/src/libtls/tls_writer.c
@@ -226,7 +226,7 @@ tls_writer_t *tls_writer_create(u_int32_t bufsize)
                        .get_buf = _get_buf,
                        .destroy = _destroy,
                },
-               .increase = bufsize ?: 32,
+               .increase = bufsize ? max(bufsize, 4) : 32,
        );
        if (bufsize)
        {