9ab11697a8
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@275 42af7a65-404d-4744-a932-0658087f49c3
131 lines
4.2 KiB
C
131 lines
4.2 KiB
C
/****************************************************************************
|
|
* fs_mkdir.c
|
|
*
|
|
* Copyright (C) 2007 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 Gregory Nutt 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/types.h>
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <nuttx/fs.h>
|
|
|
|
#include "fs_internal.h"
|
|
|
|
/****************************************************************************
|
|
* Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Variables
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Variables
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: mkdir
|
|
*
|
|
* Description: Create a directory
|
|
*
|
|
****************************************************************************/
|
|
|
|
int mkdir(const char *pathname, mode_t mode)
|
|
{
|
|
FAR struct inode *inode;
|
|
const char *relpath = NULL;
|
|
int ret;
|
|
|
|
/* Get an inode for this file */
|
|
|
|
inode = inode_find(pathname, &relpath);
|
|
if (!inode)
|
|
{
|
|
/* There is no mountpoint that includes in this path */
|
|
|
|
ret = ENOENT;
|
|
goto errout;
|
|
}
|
|
|
|
/* Verify that the inode is a valid mountpoint. */
|
|
|
|
if (!INODE_IS_MOUNTPT(inode) || !inode->u.i_mops)
|
|
{
|
|
ret = ENXIO;
|
|
goto errout_with_inode;
|
|
}
|
|
|
|
/* Perform the mkdir operation using the relative path
|
|
* at the mountpoint.
|
|
*/
|
|
|
|
if (inode->u.i_mops->mkdir)
|
|
{
|
|
ret = inode->u.i_mops->mkdir(inode, relpath, mode);
|
|
if (ret < 0)
|
|
{
|
|
ret = -ret;
|
|
goto errout_with_inode;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ret = ENOSYS;
|
|
goto errout_with_inode;
|
|
}
|
|
|
|
/* Directory successfully created */
|
|
|
|
inode_release(inode);
|
|
return OK;
|
|
|
|
errout_with_inode:
|
|
inode_release(inode);
|
|
errout:
|
|
*get_errno_ptr() = ret;
|
|
return ERROR;
|
|
}
|
|
|