test: code shrink supplementary groups

Since we don't use is_in_supplementary_groups() there's no need for
the cached_groupinfo structure to include the members required for
its support or for them to be initialised.

Saves 32 bytes.

1 files changed, 4 insertions, 0 deletions

diff --git a/include/libbb.h b/include/libbb.h
index ed8892562..bc1453e12 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1268,8 +1268,12 @@ gid_t *bb_getgroups(int *ngroups, gid_t *group_array) FAST_FUNC;
 struct cached_groupinfo {
         uid_t euid;
         gid_t egid;
+#if !ENABLE_PLATFORM_MINGW32
+        // If these are ever restored on Windows it will be necessary to alter
+        // globals_misc_size()/globals_misc_copy() in ash.
         int ngroups;
         gid_t *supplementary_array;
+#endif
 };
 uid_t FAST_FUNC get_cached_euid(uid_t *euid);
 gid_t FAST_FUNC get_cached_egid(gid_t *egid);