Merge "seq_file: introduce seq_setwidth() and seq_pad()" (c6a5a54b) · Commits · e / devices / android_kernel_sony_msm8994

fs/seq_file.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -767,6 +767,21 @@ int seq_write(struct seq_file seq, const void data, size_t len)
		}
		EXPORT_SYMBOL(seq_write);

		/**
		* seq_pad - write padding spaces to buffer
		* @m: seq_file identifying the buffer to which data should be written
		* @c: the byte to append after padding if non-zero
		*/
		void seq_pad(struct seq_file *m, char c)
		{
		int size = m->pad_until - m->count;
		if (size > 0)
		seq_printf(m, "%*s", size, "");
		if (c)
		seq_putc(m, c);
		}
		EXPORT_SYMBOL(seq_pad);

		struct list_head seq_list_start(struct list_head head, loff_t pos)
		{
		struct list_head *lh;

+15 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ struct seq_file {
		size_t size;
		size_t from;
		size_t count;
		size_t pad_until;
		loff_t index;
		loff_t read_pos;
		u64 version;
		@@ -79,6 +80,20 @@ static inline void seq_commit(struct seq_file *m, int num)
		}
		}

		/**
		* seq_setwidth - set padding width
		* @m: the seq_file handle
		* @size: the max number of bytes to pad.
		*
		* Call seq_setwidth() for setting max width, then call seq_printf() etc. and
		* finally call seq_pad() to pad the remaining bytes.
		*/
		static inline void seq_setwidth(struct seq_file *m, size_t size)
		{
		m->pad_until = m->count + size;
		}
		void seq_pad(struct seq_file *m, char c);

		char mangle_path(char s, const char p, const char esc);
		int seq_open(struct file , const struct seq_operations );
		ssize_t seq_read(struct file , char __user , size_t, loff_t *);