From 83c0210d84179f3fd00774a757bd9e7dc8a42d32 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 8 Mar 2012 11:26:47 +0200
Subject: Print usage/version information to STDOUT instead of STDERR

---
 cli/cli.cxx               | 12 ++++++++----
 doc/guide/index.xhtml     | 14 +++++++-------
 examples/hello/driver.cxx | 14 +++++++-------
 3 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/cli/cli.cxx b/cli/cli.cxx
index df7fd97..b8314e6 100644
--- a/cli/cli.cxx
+++ b/cli/cli.cxx
@@ -31,10 +31,12 @@ main (int argc, char* argv[])
     //
     if (ops.version ())
     {
-      e << "CodeSynthesis CLI command line interface compiler 1.1.0" << endl
+      ostream& o (cout);
+
+      o << "CodeSynthesis CLI command line interface compiler 1.1.0" << endl
         << "Copyright (c) 2009-2011 Code Synthesis Tools CC" << endl;
 
-      e << "This is free software; see the source for copying conditions. "
+      o << "This is free software; see the source for copying conditions. "
         << "There is NO\nwarranty; not even for MERCHANTABILITY or FITNESS "
         << "FOR A PARTICULAR PURPOSE." << endl;
 
@@ -45,10 +47,12 @@ main (int argc, char* argv[])
     //
     if (ops.help ())
     {
-      e << "Usage: " << argv[0] << " [options] file" << endl
+      ostream& o (cout);
+
+      o << "Usage: " << argv[0] << " [options] file" << endl
         << "Options:" << endl;
 
-      options::print_usage (e);
+      options::print_usage (o);
 
       return 0;
     }
diff --git a/doc/guide/index.xhtml b/doc/guide/index.xhtml
index 638b65b..1e85997 100644
--- a/doc/guide/index.xhtml
+++ b/doc/guide/index.xhtml
@@ -343,11 +343,11 @@ private:
 using namespace std;
 
 void
-usage ()
+usage (ostream&amp; os)
 {
-  cerr &lt;&lt; "usage: driver [options] &lt;names>" &lt;&lt; endl
-       &lt;&lt; "options:" &lt;&lt; endl;
-  options::print_usage (cerr);
+  os &lt;&lt; "usage: driver [options] &lt;names>" &lt;&lt; endl
+     &lt;&lt; "options:" &lt;&lt; endl;
+  options::print_usage (os);
 }
 
 int
@@ -360,14 +360,14 @@ main (int argc, char* argv[])
 
     if (o.help ())
     {
-      usage ();
+      usage (cout);
       return 0;
     }
 
     if (end == argc)
     {
       cerr &lt;&lt; "no names provided" &lt;&lt; endl;
-      usage ();
+      usage (cerr);
       return 1;
     }
 
@@ -386,7 +386,7 @@ main (int argc, char* argv[])
   catch (const cli::exception&amp; e)
   {
     cerr &lt;&lt; e &lt;&lt; endl;
-    usage ();
+    usage (cerr);
     return 1;
   }
 }
diff --git a/examples/hello/driver.cxx b/examples/hello/driver.cxx
index c9d87a3..2c84505 100644
--- a/examples/hello/driver.cxx
+++ b/examples/hello/driver.cxx
@@ -10,11 +10,11 @@
 using namespace std;
 
 void
-usage ()
+usage (ostream& os)
 {
-  cerr << "usage: driver [options] <names>" << endl
-       << "options:" << endl;
-  options::print_usage (cerr);
+  os << "usage: driver [options] <names>" << endl
+     << "options:" << endl;
+  options::print_usage (os);
 }
 
 int
@@ -27,14 +27,14 @@ main (int argc, char* argv[])
 
     if (o.help ())
     {
-      usage ();
+      usage (cout);
       return 0;
     }
 
     if (end == argc)
     {
       cerr << "no names provided" << endl;
-      usage ();
+      usage (cerr);
       return 1;
     }
 
@@ -53,7 +53,7 @@ main (int argc, char* argv[])
   catch (const cli::exception& e)
   {
     cerr << e << endl;
-    usage ();
+    usage (cerr);
     return 1;
   }
 }
-- 
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