cpukit, testsuite: Add rtems_printf and rtems_printer support.

This change adds rtems_printf and related functions and wraps the
RTEMS print plugin support into a user API. All references to the
plugin are removed and replaced with the rtems_printer interface.

Printk and related functions are made to return a valid number of
characters formatted and output.

The function attribute to check printf functions has been added
to rtems_printf and printk. No changes to remove warrnings are part
of this patch set.

The testsuite has been moved over to the rtems_printer. The testsuite
has a mix of rtems_printer access and direct print control via the
tmacros.h header file. The support for begink/endk has been removed
as it served no purpose and only confused the code base. The testsuite
has not been refactored to use rtems_printf. This is future work.

1 files changed, 5 insertions, 3 deletions

diff --git a/testsuites/libtests/exit02/init.c b/testsuites/libtests/exit02/init.c
index 88e08749df..f185d0f72e 100644
--- a/testsuites/libtests/exit02/init.c
+++ b/testsuites/libtests/exit02/init.c
@@ -16,13 +16,15 @@
   #include "config.h"
 #endif
 
+#define TESTS_USE_PRINTK
+#include "tmacros.h"
+
 #include <stdlib.h>
 
 /* Use assert() not rtems_test_assert() since it uses exit() */
 #include <assert.h>
 
 #include <rtems.h>
-#include <rtems/test.h>
 
 const char rtems_test_name[] = "EXIT 2";
 
@@ -44,7 +46,7 @@ static void fatal_extension(
       && !is_internal
       && error == EXIT_STATUS
   ) {
-    rtems_test_endk();
+    TEST_END();
   }
 }
 
@@ -63,7 +65,7 @@ static void Init(rtems_task_argument arg)
   rtems_status_code sc;
   rtems_id id;
 
-  rtems_test_begink();
+  TEST_BEGIN();
 
   sc = rtems_task_create(
     rtems_build_name('E', 'X', 'I', 'T'),