2007-12-17 Chris Johns <chrisj@rtems.org>

* libmisc/shell/main_blksync.c, libmisc/shell/main_msdosfmt.c,
	libmisc/shell/main_unmount.c: New.
	* libmisc/Makefile.am, libmisc/shell/shellconfig.h: Add the
	blksync, msdosfmt, and unmount commands.

cpukit/libmisc/shell/main_unmount.c

@@ -0,0 +1,75 @@
+/*
+ *   Shell Command Implmentation
+ *
+ *  Author: Fernando RUIZ CASAS
+ *  Work: fernando.ruiz@ctv.es
+ *  Home: correo@fernando-ruiz.com
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+#include <rtems.h>
+#include <rtems/shell.h>
+#include <rtems/shellconfig.h>
+#include <rtems/fsmount.h>
+#include "internal.h"
+
+int rtems_shell_main_unmount(int argc, char *argv[])
+{
+  char* mount_point = NULL;
+  int   arg;
+  
+  for (arg = 1; arg < argc; arg++)
+  {
+    if (!mount_point)
+      mount_point = argv[arg];
+    else
+    {
+      printf ("error: only one mount path require: %s\n", argv[arg]);
+      return 1;
+    }
+  }
+
+  if (!mount_point)
+  {
+    printf ("error: no mount point\n");
+    return 1;
+  }
+  
+  /*
+   * Unmount the disk.
+   */
+  
+  if (unmount (mount_point) < 0)
+  {
+    fprintf (stdout, "error: unmount failed: %s: %s\n",
+             mount_point, strerror (errno));
+    return 1;
+  }
+  
+  printf ("unmounted %s\n", mount_point);
+  
+  return 0;
+}
+
+rtems_shell_cmd_t rtems_Shell_UNMOUNT_Command = {
+  "unmount",                     /* name */
+  "unmount path # unmount disk", /* usage */
+  "files",                       /* topic */
+  rtems_shell_main_unmount,      /* command */
+  NULL,                          /* alias */
+  NULL                           /* next */
+};