[Boost-commit] svn:boost r43239 - trunk/libs/iostreams/src

From: technews_at_[hidden]
Date: 2008-02-13 00:43:40

Author: turkanis
Date: 2008-02-13 00:43:39 EST (Wed, 13 Feb 2008)
New Revision: 43239
URL: http://svn.boost.org/trac/boost/changeset/43239

Log:
fixed return value of read(), to correctly handle eof
Text files modified: 
   trunk/libs/iostreams/src/file_descriptor.cpp |     2 +-                                      
   1 files changed, 1 insertions(+), 1 deletions(-)

Modified: trunk/libs/iostreams/src/file_descriptor.cpp
==============================================================================
--- trunk/libs/iostreams/src/file_descriptor.cpp	(original)
+++ trunk/libs/iostreams/src/file_descriptor.cpp	2008-02-13 00:43:39 EST (Wed, 13 Feb 2008)
@@ -173,7 +173,7 @@
     DWORD result;
     if (!::ReadFile(pimpl_->handle_, s, n, &result, NULL))
         throw detail::bad_read();
-    return static_cast<std::streamsize>(result);
+    return result == 0 ? -1 : static_cast<std::streamsize>(result);
 #else // #ifdef BOOST_IOSTREAMS_WINDOWS
     errno = 0;
     std::streamsize result = BOOST_IOSTREAMS_FD_READ(pimpl_->handle_, s, n);