2011-05-07 Ivan Maidanski <ivmai@mail.ru>

	* alloc.c (GC_clear_a_few_frames): Use BZERO().
	* mark_rts.c (GC_clear_roots, GC_rebuild_root_index): Ditto.
	* reclaim.c (GC_start_reclaim): Ditto.
	* blacklst.c (total_stack_black_listed): Remove "len" local
	variable.
	* dbg_mlc.c (GC_generate_random_valid_address): Replace "for"
	statement with "do-while" one.
	* dyn_load.c (GC_register_dynamic_libraries,
	GC_register_dynlib_callback): Remove redundant parentheses.

1 files changed, 5 insertions, 7 deletions

diff --git a/dbg_mlc.c b/dbg_mlc.c
index c3d9e77f..c2820602 100644
--- a/dbg_mlc.c
+++ b/dbg_mlc.c
@@ -171,13 +171,11 @@ GC_INNER void GC_default_print_heap_obj_proc(ptr_t p);
   {
     ptr_t result;
     ptr_t base;
-    for (;;) {
-        result = GC_generate_random_heap_address();
-        base = GC_base(result);
-        if (0 == base) continue;
-        if (!GC_is_marked(base)) continue;
-        return result;
-    }
+    do {
+      result = GC_generate_random_heap_address();
+      base = GC_base(result);
+    } while (base == 0 || !GC_is_marked(base));
+    return result;
   }
 
   /* Print back trace for p */