From bfcd63ec654e8705ac968befe53ca3a348a09c5b Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Tue, 19 Dec 2017 18:12:01 +1100
Subject: [PATCH] posix/fd: add read overloads that take char/byte views

---
 posix/fd.cpp |  9 +++++++++
 posix/fd.hpp | 11 +++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/posix/fd.cpp b/posix/fd.cpp
index c322b77a..8044c8f2 100644
--- a/posix/fd.cpp
+++ b/posix/fd.cpp
@@ -99,8 +99,17 @@ fd::read (void *buffer, size_t count)
     );
 }
 
+
 //-----------------------------------------------------------------------------
 ssize_t
+fd::read (util::view<char *> dst)
+{
+    return read (std::data (dst), std::size (dst));
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+ssize_t
 fd::write (const void *buffer, size_t count)
 {
     return error::try_value (
diff --git a/posix/fd.hpp b/posix/fd.hpp
index 05e00cf2..3c1192c2 100644
--- a/posix/fd.hpp
+++ b/posix/fd.hpp
@@ -11,12 +11,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
- * Copyright 2016 Danny Robson <danny@nerdcruft.net>
+ * Copyright 2017 Danny Robson <danny@nerdcruft.net>
  */
 
 #ifndef __CRUFT_UTIL_POSIX_FD_HPP
 #define __CRUFT_UTIL_POSIX_FD_HPP
 
+#include "../view.hpp"
+
 #include <sys/types.h>
 #include <sys/stat.h>
 
@@ -52,8 +54,13 @@ namespace util::posix {
         struct ::stat stat (void) const;
 
         //---------------------------------------------------------------------
-        [[gnu::warn_unused_result]] ssize_t read  (      void *buf, size_t count);
+        [[gnu::warn_unused_result]] ssize_t read (void *buf, size_t count);
+        [[gnu::warn_unused_result]] ssize_t read (util::view<char*>);
+        [[gnu::warn_unused_result]] ssize_t read (util::view<std::byte*>);
+
         [[gnu::warn_unused_result]] ssize_t write (const void *buf, size_t count);
+        [[gnu::warn_unused_result]] ssize_t write (util::view<const char*>);
+        [[gnu::warn_unused_result]] ssize_t write (util::view<const std::byte*>);
 
         //---------------------------------------------------------------------
         [[gnu::warn_unused_result]] off_t lseek (off_t offset, int whence);