Add __attribute__((unused)) to function arguments.

cpukit/libcsupport/src/fcntl.c

@@ -177,7 +177,7 @@ int fcntl(
 #include <reent.h>
 
 int _fcntl_r(
-  struct _reent *ptr,
+  struct _reent *ptr __attribute__((unused)),
   int fd,
   int cmd,
   int arg

cpukit/libcsupport/src/malloc_boundary.c

@@ -128,8 +128,8 @@ static void rtems_malloc_boundary_at_free(
 }
 
 static void rtems_malloc_boundary_at_realloc(
-  void     *pointer,
-  size_t    size
+  void     *pointer __attribute__((unused)),
+  size_t    size __attribute__((unused))
 )
 {
   /* this needs to be implemented */

cpukit/libcsupport/src/newlibc_reent.c

@@ -53,7 +53,7 @@ extern struct _reent * const _global_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
  *  -- ptorre 9/30/03
  */
 bool newlib_create_hook(
-  rtems_tcb *current_task,
+  rtems_tcb *current_task __attribute__((unused)),
   rtems_tcb *creating_task
 )
 {

cpukit/libcsupport/src/printk_plugin.c

@@ -17,7 +17,7 @@
 #include <rtems/bspIo.h>
 
 int printk_plugin( 
-  void *ignored,
+  void *ignored __attribute__((unused)),
   const char *format,
   ...
 )

cpukit/libcsupport/src/stat.c

@@ -95,7 +95,7 @@ int _STAT_NAME(
 #include <reent.h>
 
 int _STAT_R_NAME(
-  struct _reent *ptr,
+  struct _reent *ptr __attribute__((unused)),
   const char    *path,
   struct stat   *buf
 )

cpukit/libcsupport/src/tcflow.c

@@ -26,7 +26,9 @@
 
 #include <rtems/libio.h>
 
-int tcflow (int fd, int action)
+int tcflow (
+  int fd __attribute__((unused)), 
+  int action __attribute__((unused)))
 {
   return 0;
 }

cpukit/libcsupport/src/tcflush.c

@@ -26,7 +26,9 @@
 
 #include <rtems/libio.h>
 
-int tcflush (int fd, int queue)
+int tcflush (
+  int fd __attribute__((unused)),
+  int queue __attribute__((unused)) )
 {
   return 0;
 }

cpukit/libcsupport/src/tcsendbreak.c

@@ -26,7 +26,9 @@
 
 #include <rtems/libio.h>
 
-int tcsendbreak ( int fd, int duration )
+int tcsendbreak (
+  int fd __attribute__((unused)),
+  int duration __attribute__((unused)) )
 {
   return 0;
 }

cpukit/libcsupport/src/tcsetpgrp.c

@@ -26,7 +26,9 @@
 
 #include <rtems/libio.h>
 
-int tcsetprgrp(int fd, pid_t pid)
+int tcsetprgrp(
+  int fd __attribute__((unused)),
+  pid_t pid __attribute__((unused)) )
 {
   return 0;
 }

cpukit/libcsupport/src/unlink.c

@@ -100,7 +100,7 @@ int unlink(
 #include <reent.h>
 
 int _unlink_r(
-  struct _reent *ptr,
+  struct _reent *ptr __attribute__((unused)),
   const char    *path
 )
 {

cpukit/libcsupport/src/unmount.c

@@ -64,9 +64,9 @@ bool rtems_filesystem_nodes_equal(
  */
 
 bool file_systems_below_this_mountpoint(
-  const char                            *path,
+  const char                            *path __attribute__((unused)),
   rtems_filesystem_location_info_t      *fs_root_loc,
-  rtems_filesystem_mount_table_entry_t  *fs_to_unmount
+  rtems_filesystem_mount_table_entry_t  *fs_to_unmount __attribute__((unused))
 )
 {
   rtems_chain_node                     *the_node;

cpukit/libcsupport/src/write_r.c

@@ -29,7 +29,7 @@
 #include <reent.h>
 
 _ssize_t _write_r(
-  struct _reent *ptr,
+  struct _reent *ptr __attribute__((unused)),
   int            fd,
   const void    *buf,
   size_t         nbytes