rtems: Add rtems_put_char()

Update #3904.

cpukit/Makefile.am

@@ -219,6 +219,7 @@ librtemscpu_a_SOURCES += libcsupport/src/rtems_heap_null_extend.c
 librtemscpu_a_SOURCES += libcsupport/src/rtems_memalign.c
 librtemscpu_a_SOURCES += libcsupport/src/rtems_mkdir.c
 librtemscpu_a_SOURCES += libcsupport/src/rtems_putc.c
+librtemscpu_a_SOURCES += libcsupport/src/rtems_put_char.c
 librtemscpu_a_SOURCES += libcsupport/src/setegid.c
 librtemscpu_a_SOURCES += libcsupport/src/seteuid.c
 librtemscpu_a_SOURCES += libcsupport/src/setgid.c

cpukit/include/rtems/bspIo.h

@@ -135,6 +135,16 @@ extern int putk(const char *s);
  */
 extern void rtems_putc(char c);
 
+/**
+ * @brief Puts the character via rtems_putc().
+ *
+ * This is a compatibility function to support an internal API.
+ *
+ * @param c The character to put.
+ * @param arg Ignored.
+ */
+void rtems_put_char( int c, void *arg );
+
 /**@}*/
 
 #ifdef __cplusplus

cpukit/libcsupport/src/rtems_put_char.c

@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH (http://www.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.
+ *
+ * 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/bspIo.h>
+
+void rtems_put_char( int c, void *arg )
+{
+  (void) arg;
+  rtems_putc( (char) c );
+}

cpukit/libcsupport/src/vprintk.c

@@ -26,12 +26,7 @@
 #include <rtems/bspIo.h>
 #include <rtems/score/io.h>
 
-static void vprintk_putchar( int c, void *arg )
-{
-  rtems_putc((char) c);
-}
-
 int vprintk( const char *fmt, va_list ap )
 {
-  return _IO_Vprintf( vprintk_putchar, NULL, fmt, ap );
+  return _IO_Vprintf( rtems_put_char, NULL, fmt, ap );
 }