X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/mLib/blobdiff_plain/0d61a23cc6a7628bb9ada98ae7a65700dc1fd2f7..refs/heads/mdw/cfd-subtree:/struct/buf.c

diff --git a/struct/buf.c b/struct/buf.c
index d86904c..bd16ec7 100644
--- a/struct/buf.c
+++ b/struct/buf.c
@@ -247,6 +247,7 @@ static int findz(buf *b, size_t *nn)
   {									\
     uint##n sz;								\
     if (buf_getu##w(b, &sz)) return (0);				\
+    if (BENSURE(b, sz)) return (0);					\
     *nn = sz;								\
     return (buf_get(b, sz));						\
   }