add assertion before casting

2026-06-08 16:11:16 +00:00 · 2014-04-03 20:23:39 +09:00
parent 653ddd6d3e
commit 19c3c957fc
1 changed files with 1 additions and 0 deletions
@@ -719,6 +719,7 @@ attrsym(codegen_scope *s, mrb_sym a)
                                 + 1 /* '=' */
                                 + 1 /* '\0' */
                                 );
+  mrb_assert(len <= SIZE_MAX);
  memcpy(name2, name, (size_t)len);
  name2[len] = '=';
  name2[len+1] = '\0';