From 47ca4a94d9f6bcf2d0be53391c34689b8c5128ee Mon Sep 17 00:00:00 2001
From: chris_kohlhoff <chris_kohlhoff>
Date: Sun, 31 Aug 2008 13:05:08 +0000
Subject: [PATCH] Use templates to handle iovec structures that have an
 iov_base member of type char*.

---
 asio/include/asio/detail/descriptor_ops.hpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/asio/include/asio/detail/descriptor_ops.hpp b/asio/include/asio/detail/descriptor_ops.hpp
index 6de34f62..e886b27f 100644
--- a/asio/include/asio/detail/descriptor_ops.hpp
+++ b/asio/include/asio/detail/descriptor_ops.hpp
@@ -58,17 +58,28 @@ inline int close(int d, asio::error_code& ec)
   return error_wrapper(::close(d), ec);
 }
 
+inline void init_buf_iov_base(void*& base, void* addr)
+{
+  base = addr;
+}
+
+template <typename T>
+inline void init_buf_iov_base(T& base, void* addr)
+{
+  base = static_cast<T>(addr);
+}
+
 typedef iovec buf;
 
 inline void init_buf(buf& b, void* data, size_t size)
 {
-  b.iov_base = data;
+  init_buf_iov_base(b.iov_base, data);
   b.iov_len = size;
 }
 
 inline void init_buf(buf& b, const void* data, size_t size)
 {
-  b.iov_base = const_cast<void*>(data);
+  init_buf_iov_base(b.iov_base, const_cast<void*>(data));
   b.iov_len = size;
 }