regress: fuzzraw: Check traceprint in Q_vb

This may be called from Hexit, as well as our own Hfoos

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/regress/hfuzzraw.c.m4 b/regress/hfuzzraw.c.m4
index 3be0cc7c6486190bbd179d8865e01c0b081b3940..1f76f0ee2de7c7292cd18d61275cbc2e1cb80701 100644 (file)
--- a/regress/hfuzzraw.c.m4
+++ b/regress/hfuzzraw.c.m4
@@ -77,6 +77,7 @@ void Tensuresetup(void) {
 }
 
 void Q_vb(void) {
+  if (!traceprint) return; /* hcommon.c.m4 can call Q_vb directly */
   if (!adns__vbuf_append(&vb,"",1)) Tnomem();
   if (fprintf(traceout," %s\n",vb.buf) == EOF) Toutputerr();
   Tflushtrace();