Workaround 'struct member Generic::null never used' cppcheck style warning

* cord/cordbscs.c (CORD_from_fn): Check that 'null' field of the
allocated Function object is zero.

diff --git a/cord/cordbscs.c b/cord/cordbscs.c
index efe75b5..d6c33ee 100644 (file)
--- a/cord/cordbscs.c
+++ b/cord/cordbscs.c
@@ -306,6 +306,7 @@ CORD CORD_from_fn(CORD_fn fn, void * client_data, size_t len)
 
         result = GC_NEW(struct Function);
         if (result == 0) OUT_OF_MEMORY;
+        if (result->null != 0) ABORT("error"); /* make 'null' field used */
         result->header = FN_HDR;
         /* depth is already 0 */
         result->len = len;