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130 lines
4.1 KiB
130 lines
4.1 KiB
/**************************************************************************** |
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* fs/fs_mkdir.c |
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* |
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* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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#include <nuttx/config.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <errno.h> |
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#include <nuttx/fs/fs.h> |
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#include "fs_internal.h" |
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/**************************************************************************** |
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* Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Variables |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Variables |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: mkdir |
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* |
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* Description: Create a directory |
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* |
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****************************************************************************/ |
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int mkdir(const char *pathname, mode_t mode) |
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{ |
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FAR struct inode *inode; |
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const char *relpath = NULL; |
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int ret; |
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/* Get an inode for this file */ |
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inode = inode_find(pathname, &relpath); |
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if (!inode) |
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{ |
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/* There is no mountpoint that includes in this path */ |
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ret = ENOENT; |
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goto errout; |
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} |
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/* Verify that the inode is a valid mountpoint. */ |
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if (!INODE_IS_MOUNTPT(inode) || !inode->u.i_mops) |
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{ |
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ret = ENXIO; |
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goto errout_with_inode; |
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} |
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/* Perform the mkdir operation using the relative path |
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* at the mountpoint. |
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*/ |
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if (inode->u.i_mops->mkdir) |
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{ |
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ret = inode->u.i_mops->mkdir(inode, relpath, mode); |
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if (ret < 0) |
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{ |
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ret = -ret; |
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goto errout_with_inode; |
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} |
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} |
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else |
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{ |
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ret = ENOSYS; |
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goto errout_with_inode; |
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} |
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/* Directory successfully created */ |
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inode_release(inode); |
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return OK; |
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errout_with_inode: |
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inode_release(inode); |
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errout: |
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set_errno(ret); |
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return ERROR; |
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} |
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