コミット: 3615999b305997fbd231041763498e5096236c3f - mingw-get (git)

The MinGW.OSDN Installation Manager Tool

コミットメタ情報

• リビジョン: 3615999b305997fbd231041763498e5096236c3f (tree)
• 日時: 2020-06-22 23:10:29
• 作者: Keith Marshall <keith@user...>
• コミッター: Keith Marshall

ログメッセージ

Ignore spin wait requests with no designated referrer.

変更サマリ

• modified: ChangeLog
• modified: src/pkgstat.h

差分

--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2020-06-22  Keith Marshall  <[e-mail]>
 
+	Ignore spin wait requests with no designated referrer.
+
+	* src/pkgstat.h (pkgSpinWait::UpdateIndex) [this]: Cannot test for
+	nullptr, since C++ specifies result as "undefined behaviour"; test...
+	[referrer]: ...this predesignated static class property instead.
+
[phone]  Keith Marshall  <[e-mail]>
+
 	Support options interpretation from an unborn options object.
 
 	* src/pkgopts.h (pkgOpts::Test, pkgOpts::IsSet, pkgOpts::GetValue)

--- a/src/pkgstat.h
+++ b/src/pkgstat.h
@@ -4,8 +4,8 @@
  *
  * $Id$
  *
- * Written by Keith Marshall <[e-mail]>
- * Copyright (C) 2012, MinGW.org Project
+ * Written by Keith Marshall <[e-mail]>
+ * Copyright (C) 2012, 2020, MinGW.org Project
  *
  *
  * Public declaration of the pkgSpinWait class, which provides an
@@ -47,7 +47,7 @@ class pkgSpinWait
   protected:
     static pkgSpinWait *referrer; int index;
     pkgSpinWait( void ): index( 0 ){ referrer = this; }
-    int UpdateIndex(){ return this ? index = (1 + index) % 4 : 0; }
+    int UpdateIndex(){ return referrer ? index = (1 + index) % 4 : 0; }
     virtual int DispatchReport( const char *, va_list ) = 0;
     ~pkgSpinWait(){ referrer = NULL; }
 };