1 files changed, 8 insertions, 2 deletions

diff --git a/src/file.cpp b/src/file.cpp
index 6e9d47e..7c18a06 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -54,7 +54,10 @@ size_t Bu::File::read( void *pBuf, size_t nBytes )
         if( fd < 0 )
                 throw FileException("File not open.");
 
-        return ::read( fd, pBuf, nBytes );
+        ssize_t iRead = ::read( fd, pBuf, nBytes );
+        if( iRead < 0 )
+                throw FileException( errno, "%s", strerror( errno ) );
+        return iRead;
 }
 
 size_t Bu::File::write( const void *pBuf, size_t nBytes )
@@ -62,7 +65,10 @@ size_t Bu::File::write( const void *pBuf, size_t nBytes )
         if( fd < 0 )
                 throw FileException("File not open.");
 
-        return ::write( fd, pBuf, nBytes );
+        ssize_t iWrote = ::write( fd, pBuf, nBytes );
+        if( iWrote < 0 )
+                throw FileException( errno, "%s", strerror( errno ) );
+        return iWrote;
 }
 
 long Bu::File::tell()