Fix UBSAN error

andrjohns · Jan 24, 2024 · 547df2d · 547df2d
1 parent 2302940
commit 547df2d
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/quickjs.c b/quickjs.c
@@ -33345,7 +33345,13 @@ static JSValue js_create_function(JSContext *ctx, JSFunctionDef *fd)
             }
         } else {
             b->vardefs = (void *)((uint8_t*)b + vardefs_offset);
+#ifdef STRICT_R_HEADERS
+            if (fd->args)
+#endif
             memcpy(b->vardefs, fd->args, fd->arg_count * sizeof(fd->args[0]));
+#ifdef STRICT_R_HEADERS
+            if (fd->vars)
+#endif
             memcpy(b->vardefs + fd->arg_count, fd->vars, fd->var_count * sizeof(fd->vars[0]));
         }
         b->var_count = fd->var_count;