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Fix /dev/zero 

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@616 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo 2008-02-02 15:04:39 +00:00
parent 4a660bde98
commit f72fd5339c
3 changed files with 32 additions and 32 deletions
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8
nuttx/drivers/dev_null.c
View File

@ -52,8 +52,8 @@
* Private Function Prototypes
****************************************************************************/
static ssize_t devnull_read(struct file *, char *, size_t);
static ssize_t devnull_write(struct file *, const char *, size_t);
static ssize_t devnull_read(FAR struct file *, FAR char *, size_t);
static ssize_t devnull_write(FAR struct file *, FAR const char *, size_t);
/****************************************************************************
* Private Data
@ -73,12 +73,12 @@ static struct file_operations devnull_fops =
* Private Functions
****************************************************************************/
static ssize_t devnull_read(struct file *filp, char *buffer, size_t len)
static ssize_t devnull_read(FAR struct file *filp, FAR char *buffer, size_t len)
{
return 0; /* Return EOF */
}
static ssize_t devnull_write(struct file *filp, const char *buffer, size_t len)
static ssize_t devnull_write(FAR struct file *filp, FAR const char *buffer, size_t len)
{
return len; /* Say that everything was written */
}

16
nuttx/drivers/dev_zero.c
View File

@ -52,8 +52,8 @@
* Private Function Prototypes
****************************************************************************/
static ssize_t devzero_read(struct file *, char *, size_t);
static ssize_t devzero_write(struct file *, const char *, size_t);
static ssize_t devzero_read(FAR struct file *, FAR char *, size_t);
static ssize_t devzero_write(FAR struct file *, FAR const char *, size_t);
/****************************************************************************
* Private Data
@ -73,17 +73,17 @@ static struct file_operations devzero_fops =
* Private Functions
****************************************************************************/
static ssize_t devzero_read(struct file *filp, char *buffer, size_t len)
{
return 0; /* Return EOF */
}
static ssize_t devzero_write(struct file *filp, const char *buffer, size_t len)
static ssize_t devzero_read(FAR struct file *filp, FAR char *buffer, size_t len)
{
memset(buffer, 0, len);
return len;
}
static ssize_t devzero_write(FAR struct file *filp, FAR const char *buffer, size_t len)
{
return len;
}
/****************************************************************************
* Public Functions
****************************************************************************/

40
nuttx/include/nuttx/fs.h
View File

@ -69,8 +69,8 @@ struct file_operations
*/
int (*close)(FAR struct file *filp);
ssize_t (*read)(FAR struct file *filp, char *buffer, size_t buflen);
ssize_t (*write)(FAR struct file *filp, const char *buffer, size_t buflen);
ssize_t (*read)(FAR struct file *filp, FAR char *buffer, size_t buflen);
ssize_t (*write)(FAR struct file *filp, FAR const char *buffer, size_t buflen);
off_t (*seek)(FAR struct file *filp, off_t offset, int whence);
int (*ioctl)(FAR struct file *filp, int cmd, unsigned long arg);
@ -100,11 +100,11 @@ struct block_operations
{
int (*open)(FAR struct inode *inode);
int (*close)(FAR struct inode *inode);
ssize_t (*read)(FAR struct inode *inode, unsigned char *buffer,
ssize_t (*read)(FAR struct inode *inode, FAR unsigned char *buffer,
size_t start_sector, unsigned int nsectors);
ssize_t (*write)(FAR struct inode *inode, const unsigned char *buffer,
ssize_t (*write)(FAR struct inode *inode, FAR const unsigned char *buffer,
size_t start_sector, unsigned int nsectors);
int (*geometry)(FAR struct inode *inode, struct geometry *geometry);
int (*geometry)(FAR struct inode *inode, FAR struct geometry *geometry);
int (*ioctl)(FAR struct inode *inode, int cmd, unsigned long arg);
};
@ -126,7 +126,7 @@ struct mountpt_operations
* information to manage privileges.
*/
int (*open)(FAR struct file *filp, const char *relpath,
int (*open)(FAR struct file *filp, FAR const char *relpath,
int oflags, mode_t mode);
/* The following methods must be identical in signature and position because
@ -135,8 +135,8 @@ struct mountpt_operations
*/
int (*close)(FAR struct file *filp);
ssize_t (*read)(FAR struct file *filp, char *buffer, size_t buflen);
ssize_t (*write)(FAR struct file *filp, const char *buffer, size_t buflen);
ssize_t (*read)(FAR struct file *filp, FAR char *buffer, size_t buflen);
ssize_t (*write)(FAR struct file *filp, FAR const char *buffer, size_t buflen);
off_t (*seek)(FAR struct file *filp, off_t offset, int whence);
int (*ioctl)(FAR struct file *filp, int cmd, unsigned long arg);
@ -151,25 +151,25 @@ struct mountpt_operations
/* Directory operations */
int (*opendir)(struct inode *mountpt, const char *relpath, struct internal_dir_s *dir);
int (*closedir)(struct inode *mountpt, struct internal_dir_s *dir);
int (*readdir)(struct inode *mountpt, struct internal_dir_s *dir);
int (*rewinddir)(struct inode *mountpt, struct internal_dir_s *dir);
int (*opendir)(FAR struct inode *mountpt, FAR const char *relpath, FAR struct internal_dir_s *dir);
int (*closedir)(FAR struct inode *mountpt, FAR struct internal_dir_s *dir);
int (*readdir)(FAR struct inode *mountpt, FAR struct internal_dir_s *dir);
int (*rewinddir)(FAR struct inode *mountpt, FAR struct internal_dir_s *dir);
/* General volume-related mountpoint operations: */
int (*bind)(FAR struct inode *blkdriver, const void *data, void **handle);
int (*unbind)(void *handle, FAR struct inode **blkdriver);
int (*bind)(FAR struct inode *blkdriver, FAR const void *data, FAR void **handle);
int (*unbind)(FAR void *handle, FAR struct inode **blkdriver);
int (*statfs)(struct inode *mountpt, struct statfs *buf);
int (*statfs)(FAR struct inode *mountpt, FAR struct statfs *buf);
/* Operations on pathes */
int (*unlink)(struct inode *mountpt, const char *relpath);
int (*mkdir)(struct inode *mountpt, const char *relpath, mode_t mode);
int (*rmdir)(struct inode *mountpt, const char *relpath);
int (*rename)(struct inode *mountpt, const char *oldrelpath, const char *newrelpath);
int (*stat)(struct inode *mountpt, const char *relpath, struct stat *buf);
int (*unlink)(FAR struct inode *mountpt, FAR const char *relpath);
int (*mkdir)(FAR struct inode *mountpt, FAR const char *relpath, mode_t mode);
int (*rmdir)(FAR struct inode *mountpt, FAR const char *relpath);
int (*rename)(FAR struct inode *mountpt, FAR const char *oldrelpath, FAR const char *newrelpath);
int (*stat)(FAR struct inode *mountpt, FAR const char *relpath, FAR struct stat *buf);
/* NOTE: More operations will be needed here to support: disk usage stats
* file stat(), file attributes, file truncation, etc.