From: Ivan Maidanski <ivmai@mail.ru>
Date: Thu, 14 Jun 2018 08:26:41 +0000 (+0300)
Subject: Fix result computation in n_set_marks
X-Git-Tag: v7.6.8~71
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b82c158c2507cbb36906931a0891ccf64b2e3e19;p=gc

Fix result computation in n_set_marks

* reclaim.c [!USE_MARK_BYTES] (GC_n_set_marks): Do not decrement the
result variable on return; add comment.
---

diff --git a/reclaim.c b/reclaim.c
index b8276ee1..1b2268b3 100644
--- a/reclaim.c
+++ b/reclaim.c
@@ -527,7 +527,7 @@ int GC_n_set_marks(hdr *hhdr)
 #   else
       result += set_bits(hhdr -> hb_marks[n_mark_words - 1]);
 #   endif
-    return(result - 1);
+    return result; /* the number of set bits excluding the one past the end */
 }
 
 #endif /* !USE_MARK_BYTES  */