seq_buf: Fix kernel documentation
There are plenty of issues with the kernel documentation here: - misspelled word "sequence" - different style of returned value descriptions - missed Return sections - unaligned style of ASCII / NUL-terminated / etc - wrong function references Fix all these. Link: https://lkml.kernel.org/r/20240215152506.598340-1-andriy.shevchenko@linux.intel.com Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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@ -13,7 +13,7 @@
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*/
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/**
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* seq_buf - seq buffer structure
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* struct seq_buf - seq buffer structure
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* @buffer: pointer to the buffer
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* @size: size of the buffer
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* @len: the amount of data inside the buffer
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@ -80,10 +80,10 @@ static inline unsigned int seq_buf_used(struct seq_buf *s)
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}
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/**
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* seq_buf_str - get %NUL-terminated C string from seq_buf
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* seq_buf_str - get NUL-terminated C string from seq_buf
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* @s: the seq_buf handle
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*
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* This makes sure that the buffer in @s is nul terminated and
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* This makes sure that the buffer in @s is NUL-terminated and
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* safe to read as a string.
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*
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* Note, if this is called when the buffer has overflowed, then
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@ -93,7 +93,7 @@ static inline unsigned int seq_buf_used(struct seq_buf *s)
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* After this function is called, s->buffer is safe to use
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* in string operations.
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*
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* Returns @s->buf after making sure it is terminated.
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* Returns: @s->buf after making sure it is terminated.
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*/
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static inline const char *seq_buf_str(struct seq_buf *s)
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{
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@ -113,7 +113,7 @@ static inline const char *seq_buf_str(struct seq_buf *s)
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* @s: the seq_buf handle
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* @bufp: the beginning of the buffer is stored here
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*
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* Return the number of bytes available in the buffer, or zero if
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* Returns: the number of bytes available in the buffer, or zero if
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* there's no space.
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*/
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static inline size_t seq_buf_get_buf(struct seq_buf *s, char **bufp)
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@ -135,7 +135,7 @@ static inline size_t seq_buf_get_buf(struct seq_buf *s, char **bufp)
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* @num: the number of bytes to commit
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*
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* Commit @num bytes of data written to a buffer previously acquired
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* by seq_buf_get. To signal an error condition, or that the data
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* by seq_buf_get_buf(). To signal an error condition, or that the data
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* didn't fit in the available space, pass a negative @num value.
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*/
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static inline void seq_buf_commit(struct seq_buf *s, int num)
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@ -32,7 +32,7 @@
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* @s: the seq_buf descriptor
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* @len: The length to see if it can fit in the current buffer
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*
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* Returns true if there's enough unused space in the seq_buf buffer
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* Returns: true if there's enough unused space in the seq_buf buffer
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* to fit the amount of new data according to @len.
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*/
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static bool seq_buf_can_fit(struct seq_buf *s, size_t len)
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@ -45,7 +45,7 @@ static bool seq_buf_can_fit(struct seq_buf *s, size_t len)
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* @m: the seq_file descriptor that is the destination
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* @s: the seq_buf descriptor that is the source.
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*
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* Returns zero on success, non zero otherwise
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* Returns: zero on success, non-zero otherwise.
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*/
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int seq_buf_print_seq(struct seq_file *m, struct seq_buf *s)
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{
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@ -60,9 +60,9 @@ int seq_buf_print_seq(struct seq_file *m, struct seq_buf *s)
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* @fmt: printf format string
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* @args: va_list of arguments from a printf() type function
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*
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* Writes a vnprintf() format into the sequencce buffer.
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* Writes a vnprintf() format into the sequence buffer.
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*
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* Returns zero on success, -1 on overflow.
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_vprintf(struct seq_buf *s, const char *fmt, va_list args)
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{
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@ -88,7 +88,7 @@ int seq_buf_vprintf(struct seq_buf *s, const char *fmt, va_list args)
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*
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* Writes a printf() format into the sequence buffer.
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*
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* Returns zero on success, -1 on overflow.
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
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{
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@ -104,12 +104,12 @@ int seq_buf_printf(struct seq_buf *s, const char *fmt, ...)
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EXPORT_SYMBOL_GPL(seq_buf_printf);
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/**
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* seq_buf_do_printk - printk seq_buf line by line
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* seq_buf_do_printk - printk() seq_buf line by line
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* @s: seq_buf descriptor
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* @lvl: printk level
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*
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* printk()-s a multi-line sequential buffer line by line. The function
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* makes sure that the buffer in @s is nul terminated and safe to read
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* makes sure that the buffer in @s is NUL-terminated and safe to read
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* as a string.
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*/
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void seq_buf_do_printk(struct seq_buf *s, const char *lvl)
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@ -149,7 +149,7 @@ EXPORT_SYMBOL_GPL(seq_buf_do_printk);
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* This function will take the format and the binary array and finish
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* the conversion into the ASCII string within the buffer.
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*
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* Returns zero on success, -1 on overflow.
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary)
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{
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@ -177,7 +177,7 @@ int seq_buf_bprintf(struct seq_buf *s, const char *fmt, const u32 *binary)
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*
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* Copy a simple string into the sequence buffer.
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*
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* Returns zero on success, -1 on overflow
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_puts(struct seq_buf *s, const char *str)
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{
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@ -206,7 +206,7 @@ EXPORT_SYMBOL_GPL(seq_buf_puts);
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*
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* Copy a single character into the sequence buffer.
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*
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* Returns zero on success, -1 on overflow
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_putc(struct seq_buf *s, unsigned char c)
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{
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@ -222,7 +222,7 @@ int seq_buf_putc(struct seq_buf *s, unsigned char c)
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EXPORT_SYMBOL_GPL(seq_buf_putc);
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/**
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* seq_buf_putmem - write raw data into the sequenc buffer
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* seq_buf_putmem - write raw data into the sequence buffer
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* @s: seq_buf descriptor
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* @mem: The raw memory to copy into the buffer
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* @len: The length of the raw memory to copy (in bytes)
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@ -231,7 +231,7 @@ EXPORT_SYMBOL_GPL(seq_buf_putc);
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* buffer and a strcpy() would not work. Using this function allows
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* for such cases.
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*
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* Returns zero on success, -1 on overflow
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_putmem(struct seq_buf *s, const void *mem, unsigned int len)
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{
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@ -259,7 +259,7 @@ int seq_buf_putmem(struct seq_buf *s, const void *mem, unsigned int len)
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* raw memory into the buffer it writes its ASCII representation of it
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* in hex characters.
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*
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* Returns zero on success, -1 on overflow
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
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unsigned int len)
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@ -307,7 +307,7 @@ int seq_buf_putmem_hex(struct seq_buf *s, const void *mem,
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*
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* Write a path name into the sequence buffer.
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*
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* Returns the number of written bytes on success, -1 on overflow
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* Returns: the number of written bytes on success, -1 on overflow.
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*/
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int seq_buf_path(struct seq_buf *s, const struct path *path, const char *esc)
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{
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@ -342,6 +342,7 @@ int seq_buf_path(struct seq_buf *s, const struct path *path, const char *esc)
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* or until it reaches the end of the content in the buffer (@s->len),
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* whichever comes first.
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*
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* Returns:
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* On success, it returns a positive number of the number of bytes
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* it copied.
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*
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@ -392,11 +393,11 @@ int seq_buf_to_user(struct seq_buf *s, char __user *ubuf, size_t start, int cnt)
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* linebuf size is maximal length for one line.
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* 32 * 3 - maximum bytes per line, each printed into 2 chars + 1 for
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* separating space
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* 2 - spaces separating hex dump and ascii representation
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* 32 - ascii representation
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* 2 - spaces separating hex dump and ASCII representation
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* 32 - ASCII representation
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* 1 - terminating '\0'
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*
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* Returns zero on success, -1 on overflow
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* Returns: zero on success, -1 on overflow.
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*/
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int seq_buf_hex_dump(struct seq_buf *s, const char *prefix_str, int prefix_type,
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int rowsize, int groupsize,
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