[rtems commit] libcsupport: Consistent rtems_putc() output

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    6e82e9e89ec2f0863013512b50f6a1cf8a0f58d3
Changeset: http://git.rtems.org/rtems/commit/?id=6e82e9e89ec2f0863013512b50f6a1cf8a0f58d3

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Wed Jul 28 19:02:54 2021 +0200

libcsupport: Consistent rtems_putc() output

Use the same function to output the '\r\n' combination produced by
rtems_putc().  Fix the format.

Change licence according to file history.

Update #3053.

---

 cpukit/libcsupport/src/rtems_putc.c | 50 +++++++++++++++++++++++++------------
 1 file changed, 34 insertions(+), 16 deletions(-)

diff --git a/cpukit/libcsupport/src/rtems_putc.c b/cpukit/libcsupport/src/rtems_putc.c
index 6596a06..e27b1e4 100644
--- a/cpukit/libcsupport/src/rtems_putc.c
+++ b/cpukit/libcsupport/src/rtems_putc.c
@@ -1,22 +1,36 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
 /**
- *  @file
+ * @file
+ *
+ * @ingroup BSPIO
  *
- *  @brief RTEMS Output a Character
- *  @ingroup libcsupport
+ * @brief This source file contains the implementation of rtems_putc().
  */
 
 /*
- * Copyright (c) 2012, 2017 embedded brains GmbH.  All rights reserved.
+ * Copyright (C) 2012, 2021 embedded brains GmbH (http://www.embedded-brains.de)
  *
- *  embedded brains GmbH
- *  Obere Lagerstr. 30
- *  82178 Puchheim
- *  Germany
- *  <rtems at embedded-brains.de>
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifdef HAVE_CONFIG_H
@@ -25,11 +39,15 @@
 
 #include <rtems/bspIo.h>
 
-void rtems_putc(char c)
+void rtems_putc( char c )
 {
-  if (c == '\n') {
-    (*BSP_output_char)('\r');
+  BSP_output_char_function_type output_char;
+
+  output_char = BSP_output_char;
+
+  if ( c == '\n' ) {
+    ( *output_char )( '\r' );
   }
 
-  (*BSP_output_char)(c);
+  ( *output_char )( c );
 }