Move NSH to apps/ as library

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3393 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 124 insertions, 0 deletions

diff --git a/apps/nshlib/nsh_romfsetc.c b/apps/nshlib/nsh_romfsetc.c
new file mode 100644
index 000000000..ec8300de4
--- /dev/null
+++ b/apps/nshlib/nsh_romfsetc.c
@@ -0,0 +1,124 @@
+/****************************************************************************
+ * apps/nshlib/nsh_romfsetc.c
+ *
+ *   Copyright (C) 2008-2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mount.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/ramdisk.h>
+
+#include "nsh.h"
+
+#ifdef CONFIG_EXAMPLES_NSH_ROMFSETC
+
+/* Should we use the default ROMFS image?  Or a custom, board-specific
+ * ROMFS image?
+ */
+
+#ifdef CONFIG_EXAMPLES_NSH_ARCHROMFS
+#  include <arch/board/nsh_romfsimg.h>
+#else
+#  include "nsh_romfsimg.h"
+#endif
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nsh_romfsetc
+ ****************************************************************************/
+
+int nsh_romfsetc(void)
+{
+  int  ret;
+
+  /* Create a ROM disk for the /etc filesystem */
+
+  ret = romdisk_register(CONFIG_EXAMPLES_NSH_ROMFSDEVNO, romfs_img,
+                         NSECTORS(romfs_img_len), CONFIG_EXAMPLES_NSH_ROMFSSECTSIZE);
+  if (ret < 0)
+    {
+      dbg("nsh: romdisk_register failed: %d\n", -ret);
+      return ERROR;
+    }
+
+  /* Mount the file system */
+
+  vdbg("Mounting ROMFS filesystem at target=%s with source=%s\n",
+       CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT, MOUNT_DEVNAME);
+
+  ret = mount(MOUNT_DEVNAME, CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT, "romfs", MS_RDONLY, NULL);
+  if (ret < 0)
+    {
+      dbg("nsh: mount(%s,%s,romfs) failed: %s\n",
+          MOUNT_DEVNAME, CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT, errno);
+      return ERROR;
+    }
+  return OK;
+}
+
+#endif /* CONFIG_EXAMPLES_NSH_ROMFSETC */
+