[rtems commit] newlib01: Use fopen() instead of freopen()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    9b07f5efe364bc52b80eff83389ee4bf4a1e0c40
Changeset: http://git.rtems.org/rtems/commit/?id=9b07f5efe364bc52b80eff83389ee4bf4a1e0c40

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Mon Jun 26 08:20:15 2017 +0200

newlib01: Use fopen() instead of freopen()

With global stdio streams, a freopen() would close the global stream
object.

Update #3012.

---

 testsuites/libtests/newlib01/init.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/testsuites/libtests/newlib01/init.c b/testsuites/libtests/newlib01/init.c
index f9d3936..af2dc35 100644
--- a/testsuites/libtests/newlib01/init.c
+++ b/testsuites/libtests/newlib01/init.c
@@ -19,6 +19,7 @@
 #include <stdio.h>
 
 #include <rtems.h>
+#include <rtems/console.h>
 #include <rtems/imfs.h>
 #include <rtems/libcsupport.h>
 
@@ -62,13 +63,13 @@ static void wait(void)
 static void worker_task(rtems_task_argument arg)
 {
   test_context *ctx = &test_instance;
-  FILE *file = freopen(&file_path[0], "r+", stdout);
   char buf[1] = { 'x' };
   size_t n;
 
-  rtems_test_assert(file != NULL);
+  stdout = fopen(&file_path[0], "r+");
+  rtems_test_assert(stdout != NULL);
 
-  n = fwrite(&buf[0], sizeof(buf), 1, file);
+  n = fwrite(&buf[0], sizeof(buf), 1, stdout);
   rtems_test_assert(n == 1);
 
   rtems_test_assert(ctx->current == OPEN);
@@ -244,9 +245,16 @@ static void test(void)
   rtems_status_code sc;
   int rv;
   rtems_resource_snapshot snapshot;
+  FILE *file;
 
   ctx->main_task_id = rtems_task_self();
 
+  /* Fill dynamic file pool in Newlib _GLOBAL_REENT */
+  file = fopen(CONSOLE_DEVICE_NAME, "r+");
+  rtems_test_assert(file != NULL);
+  rv = fclose(file);
+  rtems_test_assert(rv == 0);
+
   rtems_resource_snapshot_take(&snapshot);
 
   rv = IMFS_make_generic_node(