From 4196702b38ca2024379921197b9814967530d1ba Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 11 Oct 2016 20:58:19 +1100
Subject: [PATCH] posix/fd: add read and write member functions

---
 posix/fd.cpp | 21 +++++++++++++++++++++
 posix/fd.hpp |  4 ++++
 2 files changed, 25 insertions(+)

diff --git a/posix/fd.cpp b/posix/fd.cpp
index 0a8d6214..d0c442e0 100644
--- a/posix/fd.cpp
+++ b/posix/fd.cpp
@@ -96,6 +96,27 @@ fd::stat (void) const
 }
 
 
+///////////////////////////////////////////////////////////////////////////////
+ssize_t
+fd::read (void *buffer, size_t count)
+{
+    auto res = ::read (m_fd, buffer, count);
+    if (res == -1)
+        errno_error::throw_code ();
+    return res;
+}
+
+//-----------------------------------------------------------------------------
+ssize_t
+fd::write (const void *buffer, size_t count)
+{
+    auto res = ::write (m_fd, buffer, count);
+    if (res == -1)
+        errno_error::throw_code ();
+    return res;
+}
+
+
 ///////////////////////////////////////////////////////////////////////////////
 fd::operator int (void) const
 {
diff --git a/posix/fd.hpp b/posix/fd.hpp
index 33bf1815..69cd12e6 100644
--- a/posix/fd.hpp
+++ b/posix/fd.hpp
@@ -53,6 +53,10 @@ namespace util::posix {
         ///////////////////////////////////////////////////////////////////////
         struct ::stat stat (void) const;
 
+        //---------------------------------------------------------------------
+        ssize_t read  (      void *buf, size_t count);
+        ssize_t write (const void *buf, size_t count);
+
         ///////////////////////////////////////////////////////////////////////
         operator int (void) const;