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Add function headers

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1233 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-11-14 15:10:31 +00:00
parent c47d76bdf9
commit ff7c75a90d
1 changed files with 16 additions and 0 deletions
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16
drivers/dev_null.c
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@ -73,11 +73,19 @@ static struct file_operations devnull_fops =
* Private Functions * Private Functions
****************************************************************************/ ****************************************************************************/
/****************************************************************************
* Name: devnull_read
****************************************************************************/
static ssize_t devnull_read(FAR struct file *filp, FAR char *buffer, size_t len) static ssize_t devnull_read(FAR struct file *filp, FAR char *buffer, size_t len)
{ {
return 0; /* Return EOF */ return 0; /* Return EOF */
} }
/****************************************************************************
* Name: devnull_write
****************************************************************************/
static ssize_t devnull_write(FAR struct file *filp, FAR 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 */ return len; /* Say that everything was written */
@ -87,6 +95,14 @@ static ssize_t devnull_write(FAR struct file *filp, FAR const char *buffer, size
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
/****************************************************************************
* Name: devnull_register
*
* Description:
* Register /dev/null
*
****************************************************************************/
void devnull_register(void) void devnull_register(void)
{ {
(void)register_driver("/dev/null", &devnull_fops, 0666, NULL); (void)register_driver("/dev/null", &devnull_fops, 0666, NULL);