X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fmode.h;h=2e7527dc5202d3158895f8c20feb3f90236b17dd;hp=706609f03f4bb7c5c8b40c111b1da11f02d4581d;hb=edeb93fa4182984422f70c453ced8ad3acabe1d0;hpb=bd892a8afd93f849aec21706a009f69a5868b34d

diff --git a/source/io/mode.h b/source/io/mode.h
index 706609f..2e7527d 100644
--- a/source/io/mode.h
+++ b/source/io/mode.h
@@ -25,6 +25,9 @@ inline Mode operator&(Mode m, Mode n)
 inline Mode operator~(Mode m)
 { return Mode(~static_cast<int>(m)); }
 
+inline void adjust_mode(Mode &m, Mode f, bool b)
+{ m = b ? (m|f) : (m&~f); }
+
 
 class invalid_access: public std::logic_error
 {