From: Ivan Maidanski <ivmai@mail.ru>
Date: Mon, 17 Oct 2016 21:28:25 +0000 (+0300)
Subject: Workaround 'checking if unsigned value is negative' cppcheck warning
X-Git-Tag: v8.0.0~1107
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3964267d6b18ec66f72aedba0993535303fe8066;p=gc

Workaround 'checking if unsigned value is negative' cppcheck warning

* allchblk.c [GC_ASSERTIONS && !USE_MUNMAP] (GC_add_to_fl): Replace
(signed_word)GC_heapsize<0 with (GC_heapsize&SIGNB)!=0.
---

diff --git a/allchblk.c b/allchblk.c
index 16e82b78..56ee86ef 100644
--- a/allchblk.c
+++ b/allchblk.c
@@ -362,10 +362,10 @@ STATIC void GC_add_to_fl(struct hblk *h, hdr *hhdr)
       hdr * prevhdr = HDR(prev);
 
       GC_ASSERT(nexthdr == 0 || !HBLK_IS_FREE(nexthdr)
-                || (signed_word)GC_heapsize < 0);
+                || (GC_heapsize & SIGNB) != 0);
                 /* In the last case, blocks may be too large to merge. */
       GC_ASSERT(prev == 0 || !HBLK_IS_FREE(prevhdr)
-                || (signed_word)GC_heapsize < 0);
+                || (GC_heapsize & SIGNB) != 0);
 #   endif
     GC_ASSERT(((hhdr -> hb_sz) & (HBLKSIZE-1)) == 0);
     GC_hblkfreelist[index] = h;