regress: hfuzzraw: Fix that Tensurerecordfile was not idempotent

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

diff --git a/regress/hfuzzraw.c.m4 b/regress/hfuzzraw.c.m4
index 15980450092e7043833c0126847e206f9e8ee2ae..7f3a8db9892b4d531c0a29d064e87f073fd88680 100644 (file)
--- a/regress/hfuzzraw.c.m4
+++ b/regress/hfuzzraw.c.m4
@@ -64,6 +64,11 @@ static void Pcheckinput(void) {
 }
 
 void Tensurerecordfile(void) {
+  static int done;
+
+  if (done) return;
+  done++;
+
   int fd;
 
   fd = Ttestinputfd();