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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-14 22:41:09 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-14 22:41:09 +0000 |
commit | 1df59ef5f64b5af480e4048e904f65d0682fc56b (patch) | |
tree | 9d9bab896ace384c17eb83026921f5e8218bae8c /nuttx/include/dirent.h | |
parent | 78cbcfd2a16c0cf3763173ce0a14d656bede0135 (diff) | |
download | px4-nuttx-1df59ef5f64b5af480e4048e904f65d0682fc56b.tar.gz px4-nuttx-1df59ef5f64b5af480e4048e904f65d0682fc56b.tar.bz2 px4-nuttx-1df59ef5f64b5af480e4048e904f65d0682fc56b.zip |
Added opendir, readdir, closedir, etc.
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@62 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/include/dirent.h')
-rw-r--r-- | nuttx/include/dirent.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/nuttx/include/dirent.h b/nuttx/include/dirent.h new file mode 100644 index 000000000..160dd04ea --- /dev/null +++ b/nuttx/include/dirent.h @@ -0,0 +1,112 @@ +/************************************************************ + * dirent.h + * + * 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. + * + ************************************************************/ + +#ifndef __DIRENT_H +#define __DIRENT_H + +/************************************************************ + * Included Files + ************************************************************/ + +#include <nuttx/config.h> +#include <sys/types.h> +#include <limits.h> + +/************************************************************ + * Definitions + ************************************************************/ + +/* File type code for the d_type field in dirent struct. + * Note that because of the simplified filesystem organization + * of NuttX, an inode can be BOTH a file and a directory + */ + +#define DTYPE_FILE 0x01 +#define DTYPE_DIRECTORY 0x02 + +#define DIRENT_ISFILE(dtype) (((dtype) & DTYPE_FILE) != ) +#define DIRENT_ISDIRECTORY(dtype) (((dtype) & DTYPE_DIRECTORY) != ) + +/************************************************************ + * Public Type Definitions + ************************************************************/ + +/* The POSIX specification requires that the caller of readdir_r + * provide storage "large enough for a dirent with the d_name + * member and an array of char containing at least {NAME_MAX} + * plus one elements. + */ + +struct dirent +{ + ubyte d_type; /* type of file */ + char d_name[NAME_MAX+1]; /* filename */ +}; + +typedef void DIR; + +/************************************************************ + * Public Variables + ************************************************************/ + +/************************************************************ + * Public Function Prototypes + ************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* POSIX-like File System Interfaces */ + +EXTERN int closedir(DIR *dirp); +EXTERN FAR DIR *opendir(const char *path); +EXTERN FAR struct dirent *readdir(FAR DIR *dirp); +EXTERN int readdir_r(FAR DIR *dirp, FAR struct dirent *entry, + FAR struct dirent **result); +EXTERN void rewinddir(FAR DIR *dirp); +EXTERN void seekdir(FAR DIR *dirp, int loc); +EXTERN int telldir(FAR DIR *dirp); + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __DIRENT_H */ |