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Code Issues Releases Wiki Activity

fix O_RDWR issue in ELM FatFs.

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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@912 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-09-14 04:45:45 +00:00
parent c89ea7615e
commit 3c2c5df6e8
4 changed files with 115 additions and 2 deletions
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3
components/dfs/filesystems/elmfat/dfs_elm.c
View File

@ -228,6 +228,7 @@ int dfs_elm_open(struct dfs_fd* file)
mode = FA_READ;
if (file->flags & DFS_O_WRONLY) mode |= FA_WRITE;
if ((file->flags & DFS_O_ACCMODE) & DFS_O_RDWR) mode |= FA_WRITE;
/* Opens the file, if it is existing. If not, a new file is created. */
if (file->flags & DFS_O_CREAT) mode |= FA_OPEN_ALWAYS;
/* Creates a new file. If the file is existing, it is truncated and overwritten. */
@ -489,7 +490,7 @@ int dfs_elm_rename(struct dfs_filesystem* fs, const char* oldpath, const char* n
const char *drivers_oldfn, *drivers_newfn;
drivers_oldfn = oldpath;
drivers_newfn = oldpath;
drivers_newfn = newpath;
#endif
result = f_rename(drivers_oldfn, drivers_newfn);

2
components/dfs/filesystems/romfs/dfs_romfs.c
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@ -113,7 +113,7 @@ int dfs_romfs_open(struct dfs_fd* file)
root_dirent = (struct romfs_dirent*)file->fs->data;
if (file->flags & DFS_O_CREAT | DFS_O_WRONLY | DFS_O_APPEND | DFS_O_TRUNC)
if (file->flags & (DFS_O_CREAT | DFS_O_WRONLY | DFS_O_APPEND | DFS_O_TRUNC | DFS_O_RDWR))
return -DFS_STATUS_EINVAL;
dirent = dfs_romfs_lookup(root_dirent, file->path);

92
components/dfs/filesystems/uffs/dfs_uffs.c Normal file
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@ -0,0 +1,92 @@
#include <rtthread.h>
#include <dfs.h>
#include <dfs_fs.h>
/* mount and unmount file system */
static int dfs_uffs_mount(struct dfs_filesystem* fs, unsigned long rwflag, const void* data)
{
}
static int dfs_uffs_unmount(struct dfs_filesystem* fs)
{
}
static int dfs_uffs_mkfs(const char* device_name)
{
return -DFS_STATUS_EIO;
}
static int dfs_uffs_statfs(struct dfs_filesystem* fs, struct _statfs *buf)
{
}
static int dfs_uffs_open(struct dfs_fd* fd)
{
}
static int dfs_uffs_close(struct dfs_fd* fd)
{
}
static int dfs_uffs_ioctl(struct dfs_fd* fd, int cmd, void *args)
{
}
static int dfs_uffs_read(struct dfs_fd* fd, void* buf, rt_size_t count)
{
}
static int dfs_uffs_write(struct dfs_fd* fd, const void* buf, rt_size_t count)
{
}
static int dfs_uffs_flush(struct dfs_fd* fd)
{
}
static int dfs_uffs_lseek(struct dfs_fd* fd, rt_off_t offset)
{
}
static int dfs_uffs_getdents(struct dfs_fd* fd, struct _dirent* dirp, rt_uint32_t count)
{
}
static int dfs_uffs_unlink(struct dfs_filesystem* fs, const char* pathname)
{
}
static int dfs_uffs_stat(struct dfs_filesystem* fs, const char* filename, struct _stat* buf)
{
}
static int dfs_uffs_rename(struct dfs_filesystem* fs, const char* oldpath, const char* newpath)
{
}
static const struct dfs_filesystem_operation _uffs =
{
"uffs",
dfs_uffs_mount,
dfs_uffs_unmount,
dfs_uffs_mkfs,
dfs_uffs_statfs,
dfs_uffs_open,
dfs_uffs_close,
dfs_uffs_ioctl,
dfs_uffs_read,
dfs_uffs_write,
dfs_uffs_flush,
dfs_uffs_lseek,
dfs_uffs_getdents,
dfs_uffs_unlink,
dfs_uffs_stat,
dfs_uffs_rename,
};
int dfs_uffs_init(void)
{
/* register UFFS file system */
return dfs_register(&_uffs);
}

20
components/dfs/filesystems/uffs/dfs_uffs.h Normal file
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@ -0,0 +1,20 @@
/*
* File : dfs_uffs.h
* This file is part of Device File System in RT-Thread RTOS
* COPYRIGHT (C) 2004-2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE.
*
* Change Logs:
* Date Author Notes
* 2010-09-02 Bernard The first version.
*/
#ifndef __DFS_UFFS_H__
#define __DFS_UFFS_H__
int dfs_uffs_init(void);
#endif