Fix boost asio deprecation warnings

Signed-off-by: Rye <[email protected]>

Author: RyeMutt

indra/llcommon/llprocess.cpp

@@ -176,14 +176,14 @@ class WritePipeImpl: public LLProcess::WritePipe
             // In general, our streambuf might contain a number of different
             // physical buffers; iterate over those.
             bool keepwriting = true;
-            for (const_buffer_sequence::const_iterator bufi(bufs.begin()), bufend(bufs.end());
+            for (auto bufi(boost::asio::buffer_sequence_begin(bufs)), bufend(boost::asio::buffer_sequence_end(bufs));
                  bufi != bufend && keepwriting; ++bufi)
             {
                 // http://www.boost.org/doc/libs/1_49_0_beta1/doc/html/boost_asio/reference/buffer.html#boost_asio.reference.buffer.accessing_buffer_contents
                 // Although apr_file_write() accepts const void*, we
                 // manipulate const char* so we can increment the pointer.
-                const char* remainptr = boost::asio::buffer_cast<const char*>(*bufi);
-                std::size_t remainlen = boost::asio::buffer_size(*bufi);
+                const char* remainptr = static_cast<const char*>(bufi->data());
+                std::size_t remainlen = bufi->size();
                 while (remainlen)
                 {
                     // Tackle the current buffer in discrete chunks. On
@@ -377,14 +377,14 @@ class ReadPipeImpl: public LLProcess::ReadPipe
             // In general, the mutable_buffer_sequence returned by prepare() might
             // contain a number of different physical buffers; iterate over those.
             std::size_t tocommit(0);
-            for (mutable_buffer_sequence::const_iterator bufi(bufs.begin()), bufend(bufs.end());
+            for (auto bufi(boost::asio::buffer_sequence_begin(bufs)), bufend(boost::asio::buffer_sequence_end(bufs));
                  bufi != bufend; ++bufi)
             {
                 // http://www.boost.org/doc/libs/1_49_0_beta1/doc/html/boost_asio/reference/buffer.html#boost_asio.reference.buffer.accessing_buffer_contents
-                std::size_t toread(boost::asio::buffer_size(*bufi));
+                std::size_t toread(bufi->size());
                 apr_size_t gotten(toread);
                 apr_status_t err = apr_file_read(mPipe,
-                                                 boost::asio::buffer_cast<void*>(*bufi),
+                                                 bufi->data(),
                                                  &gotten);
                 // EAGAIN is exactly what we want from a nonblocking pipe.
                 // Rather than waiting for data, it should return immediately.