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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-02-02 15:04:39 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-02-02 15:04:39 +0000 |
commit | 2ce27097bd692980027f29e6b616561b912e7e94 (patch) | |
tree | ae20dad6a8ab620c04d8fb4b219f13e103c5fd4f /nuttx | |
parent | bdbd2711a3c047dec514e87399f20aa0960111e3 (diff) | |
download | px4-nuttx-2ce27097bd692980027f29e6b616561b912e7e94.tar.gz px4-nuttx-2ce27097bd692980027f29e6b616561b912e7e94.tar.bz2 px4-nuttx-2ce27097bd692980027f29e6b616561b912e7e94.zip |
Fix /dev/zero
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@616 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx')
-rw-r--r-- | nuttx/drivers/dev_null.c | 8 | ||||
-rw-r--r-- | nuttx/drivers/dev_zero.c | 12 | ||||
-rw-r--r-- | nuttx/include/nuttx/fs.h | 40 |
3 files changed, 30 insertions, 30 deletions
diff --git a/nuttx/drivers/dev_null.c b/nuttx/drivers/dev_null.c index 16ec4f059..c058afb8d 100644 --- a/nuttx/drivers/dev_null.c +++ b/nuttx/drivers/dev_null.c @@ -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 */ } diff --git a/nuttx/drivers/dev_zero.c b/nuttx/drivers/dev_zero.c index 7116758b4..a18509415 100644 --- a/nuttx/drivers/dev_zero.c +++ b/nuttx/drivers/dev_zero.c @@ -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 @@ -73,14 +73,14 @@ static struct file_operations devzero_fops = * Private Functions ****************************************************************************/ -static ssize_t devzero_read(struct file *filp, char *buffer, size_t len) +static ssize_t devzero_read(FAR struct file *filp, FAR char *buffer, size_t len) { - return 0; /* Return EOF */ + memset(buffer, 0, len); + return len; } -static ssize_t devzero_write(struct file *filp, const char *buffer, size_t len) +static ssize_t devzero_write(FAR struct file *filp, FAR const char *buffer, size_t len) { - memset(buffer, 0, len); return len; } diff --git a/nuttx/include/nuttx/fs.h b/nuttx/include/nuttx/fs.h index 111f47218..572957118 100644 --- a/nuttx/include/nuttx/fs.h +++ b/nuttx/include/nuttx/fs.h @@ -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. |