From 53b4f58c78e21cbc442891c2ce2a2b99a32e47bc Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 14 Dec 2017 14:24:38 +0200
Subject: Add process::pipe struct, extend process API

---
 libbutl/openssl.cxx | 38 ++++++++++++++++++++++++--------------
 1 file changed, 24 insertions(+), 14 deletions(-)

(limited to 'libbutl/openssl.cxx')

diff --git a/libbutl/openssl.cxx b/libbutl/openssl.cxx
index 89cf8ed..48b0c1d 100644
--- a/libbutl/openssl.cxx
+++ b/libbutl/openssl.cxx
@@ -36,21 +36,24 @@ using namespace std;
 
 namespace butl
 {
-  int openssl::
+  process::pipe openssl::
   map_in (nullfd_t, io_data& d)
   {
     d.pipe.in = fdnull (); // /dev/null
-    return d.pipe.in.get ();
+    return pipe (d.pipe);
   }
 
-  int openssl::
+  process::pipe openssl::
   map_in (const path& f, io_data& d)
   {
+    pipe r;
     if (f.string () == "-")
     {
       // Note: no need for any options, openssl reads from stdin by default.
       //
       d.pipe = fdopen_pipe (fdopen_mode::binary);
+      r = pipe (d.pipe);
+
       out.open (move (d.pipe.out));
     }
     else
@@ -58,12 +61,13 @@ namespace butl
       d.options.push_back ("-in");
       d.options.push_back (f.string ().c_str ());
       d.pipe.in = fdnull (); // /dev/null
+      r = pipe (d.pipe);
     }
 
-    return d.pipe.in.get ();
+    return r;
   }
 
-  int openssl::
+  process::pipe openssl::
   map_in (fdstream_mode m, io_data& d)
   {
     assert (m == fdstream_mode::text || m == fdstream_mode::binary);
@@ -73,26 +77,30 @@ namespace butl
     d.pipe = fdopen_pipe (m == fdstream_mode::binary
                           ? fdopen_mode::binary
                           : fdopen_mode::none);
-
+    pipe r (d.pipe);
+    
     out.open (move (d.pipe.out));
-    return d.pipe.in.get ();
+    return r;
   }
 
-  int openssl::
+  process::pipe openssl::
   map_out (nullfd_t, io_data& d)
   {
     d.pipe.out = fdnull ();
-    return d.pipe.out.get (); // /dev/null
+    return pipe (d.pipe); // /dev/null
   }
 
-  int openssl::
+  process::pipe openssl::
   map_out (const path& f, io_data& d)
   {
+    pipe r;
     if (f.string () == "-")
     {
       // Note: no need for any options, openssl writes to stdout by default.
       //
       d.pipe = fdopen_pipe (fdopen_mode::binary);
+      r = pipe (d.pipe);
+
       in.open (move (d.pipe.in), fdstream_mode::skip);
     }
     else
@@ -100,12 +108,13 @@ namespace butl
       d.options.push_back ("-out");
       d.options.push_back (f.string ().c_str ());
       d.pipe.out = fdnull (); // /dev/null
+      r = pipe (d.pipe);
     }
 
-    return d.pipe.out.get ();
+    return r;
   }
 
-  int openssl::
+  process::pipe openssl::
   map_out (fdstream_mode m, io_data& d)
   {
     assert (m == fdstream_mode::text || m == fdstream_mode::binary);
@@ -115,8 +124,9 @@ namespace butl
     d.pipe = fdopen_pipe (m == fdstream_mode::binary
                           ? fdopen_mode::binary
                           : fdopen_mode::none);
-
+    pipe r (d.pipe);
+    
     in.open (move (d.pipe.in), fdstream_mode::skip);
-    return d.pipe.out.get ();
+    return r;
   }
 }
-- 
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