Workaround 'GC_cptr_compare_and_swap is never used' cppcheck FP

(fix of commit 1fcf50d) Issue #627 (bdwgc). * tests/atomicops.c [AO_HAVE_compare_and_swap_release] (main): Define cptr local variable; call GC_cptr_compare_and_swap() and check its result.
ivmai · Jul 25, 2024 · 60634d0 · 60634d0
1 parent 6fea3f1
commit 60634d0
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tests/atomicops.c b/tests/atomicops.c
@@ -75,6 +75,12 @@
       TA_assert(x == 13);
       TA_assert(AO_compare_and_swap_release(&x, 13, 42));
       TA_assert(x == 42);
+      {
+        char *cptr = (char *)NULL;
+
+        TA_assert(GC_cptr_compare_and_swap(&cptr, (char *)NULL, (char *)&x));
+        TA_assert(cptr == (char *)&x);
+      }
 #   else
       if (*(volatile AO_t *)&x == 13)
         *(volatile AO_t *)&x = 42;