From 9f24fb5b4b3b13bdbb31b34824dcab1b235eb23a Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Mon, 29 Jul 2019 15:04:39 -0600
Subject: [PATCH] sched/:  Add some missing FAR.  Update some comments.

---
 libs/libc/stdio/lib_libvsprintf.c | 7 +++++--
 sched/task/task_reparent.c        | 8 ++++----
 sched/task/task_vfork.c           | 6 +++---
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/libs/libc/stdio/lib_libvsprintf.c b/libs/libc/stdio/lib_libvsprintf.c
index be54e2d4790..eb3829b7d68 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -380,8 +380,11 @@ static int vsprintf_internal(FAR struct lib_outstream_s *stream,
             {
               switch (sizeof(size_t))
                 {
-                  /* The only known case that the default will be hit is the eZ80
-                   * which has sizeof(size_t) = 3 which is the same as the sizeof(int)
+                  /* The only known cases that the default will be hit are
+                   * (1) the eZ80 which has sizeof(size_t) = 3 which is the
+                   * same as the sizeof(int).  And (2) if CONFIG_LIBC_LONG_LONG
+                   * is not enabled and sizeof(size_t) is equal to
+                   * sizeof(unsigned long long).  This latter case is an error.
                    */
 
                   default:
diff --git a/sched/task/task_reparent.c b/sched/task/task_reparent.c
index e02d5cc45f7..45279a1a0b8 100644
--- a/sched/task/task_reparent.c
+++ b/sched/task/task_reparent.c
@@ -78,7 +78,7 @@ int task_reparent(pid_t ppid, pid_t chpid)
   FAR struct task_group_s *chgrp;
   FAR struct task_group_s *ogrp;
   FAR struct task_group_s *pgrp;
-  struct tcb_s *tcb;
+  FAR struct tcb_s *tcb;
   gid_t ogid;
   gid_t pgid;
   irqstate_t flags;
@@ -210,9 +210,9 @@ int task_reparent(pid_t ppid, pid_t chpid)
 #ifdef CONFIG_SCHED_CHILD_STATUS
   FAR struct child_status_s *child;
 #endif
-  struct tcb_s *ptcb;
-  struct tcb_s *chtcb;
-  struct tcb_s *otcb;
+  FAR struct tcb_s *ptcb;
+  FAR struct tcb_s *chtcb;
+  FAR struct tcb_s *otcb;
   pid_t opid;
   irqstate_t flags;
   int ret;
diff --git a/sched/task/task_vfork.c b/sched/task/task_vfork.c
index 69999366a30..9424751a0fe 100644
--- a/sched/task/task_vfork.c
+++ b/sched/task/task_vfork.c
@@ -282,8 +282,8 @@ static inline size_t nxvfork_argsize(FAR struct tcb_s *parent)
 
 FAR struct task_tcb_s *nxtask_vforksetup(start_t retaddr, size_t *argsize)
 {
-  struct tcb_s *parent = this_task();
-  struct task_tcb_s *child;
+  FAR struct tcb_s *parent = this_task();
+  FAR struct task_tcb_s *child;
   uint8_t ttype;
   int priority;
   int ret;
@@ -407,7 +407,7 @@ errout_with_tcb:
 
 pid_t nxtask_vforkstart(FAR struct task_tcb_s *child)
 {
-  struct tcb_s *parent = this_task();
+  FAR struct tcb_s *parent = this_task();
   pid_t pid;
   int rc;
   int ret;