move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / include / linux / seq_buf.h

diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h
deleted file mode 100644 (file)
index 8c9c0dd..0000000
--- a/include/linux/seq_buf.h
+++ /dev/null
@@ -1,153 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LINUX_SEQ_BUF_H
-#define _LINUX_SEQ_BUF_H
-
-#include <linux/kernel.h>
-#include <stdarg.h>
-#include <string.h>
-
-/*
- * Trace sequences are used to allow a function to call several other functions
- * to create a string of data to use.
- */
-
-/**
- * seq_buf - seq buffer structure
- * @buffer:    pointer to the buffer
- * @size:      size of the buffer
- * @len:       the amount of data inside the buffer
- * @readpos:   The next position to read in the buffer.
- */
-struct seq_buf {
-       char                    *buffer;
-       size_t                  size;
-       size_t                  len;
-       loff_t                  readpos;
-};
-
-static inline void seq_buf_clear(struct seq_buf *s)
-{
-       s->len = 0;
-       s->readpos = 0;
-}
-
-static inline void
-seq_buf_init(struct seq_buf *s, char *buf, unsigned int size)
-{
-       s->buffer = buf;
-       s->size = size;
-       seq_buf_clear(s);
-}
-
-/*
- * seq_buf have a buffer that might overflow. When this happens
- * the len and size are set to be equal.
- */
-static inline bool
-seq_buf_has_overflowed(struct seq_buf *s)
-{
-       return s->len > s->size;
-}
-
-static inline void
-seq_buf_set_overflow(struct seq_buf *s)
-{
-       s->len = s->size + 1;
-}
-
-/*
- * How much buffer is left on the seq_buf?
- */
-static inline unsigned int
-seq_buf_buffer_left(struct seq_buf *s)
-{
-       if (seq_buf_has_overflowed(s))
-               return 0;
-
-       return s->size - s->len;
-}
-
-/* How much buffer was written? */
-static inline unsigned int seq_buf_used(struct seq_buf *s)
-{
-       return min(s->len, s->size);
-}
-
-/**
- * seq_buf_terminate - Make sure buffer is nul terminated
- * @s: the seq_buf descriptor to terminate.
- *
- * This makes sure that the buffer in @s is nul terminated and
- * safe to read as a string.
- *
- * Note, if this is called when the buffer has overflowed, then
- * the last byte of the buffer is zeroed, and the len will still
- * point passed it.
- *
- * After this function is called, s->buffer is safe to use
- * in string operations.
- */
-static inline void seq_buf_terminate(struct seq_buf *s)
-{
-       if (WARN_ON(s->size == 0))
-               return;
-
-       if (seq_buf_buffer_left(s))
-               s->buffer[s->len] = 0;
-       else
-               s->buffer[s->size - 1] = 0;
-}
-
-/**
- * seq_buf_get_buf - get buffer to write arbitrary data to
- * @s: the seq_buf handle
- * @bufp: the beginning of the buffer is stored here
- *
- * Return the number of bytes available in the buffer, or zero if
- * there's no space.
- */
-static inline size_t seq_buf_get_buf(struct seq_buf *s, char **bufp)
-{
-       WARN_ON(s->len > s->size + 1);
-
-       if (s->len < s->size) {
-               *bufp = s->buffer + s->len;
-               return s->size - s->len;
-       }
-
-       *bufp = NULL;
-       return 0;
-}
-
-/**
- * seq_buf_commit - commit data to the buffer
- * @s: the seq_buf handle
- * @num: the number of bytes to commit
- *
- * Commit @num bytes of data written to a buffer previously acquired
- * by seq_buf_get.  To signal an error condition, or that the data
- * didn't fit in the available space, pass a negative @num value.
- */
-static inline void seq_buf_commit(struct seq_buf *s, int num)
-{
-       if (num < 0) {
-               seq_buf_set_overflow(s);
-       } else {
-               /* num must be negative on overflow */
-               BUG_ON(s->len + num > s->size);
-               s->len += num;
-       }
-}
-
-extern __printf(2, 3)
-int seq_buf_printf(struct seq_buf *s, const char *fmt, ...);
-extern __printf(2, 0)
-int seq_buf_vprintf(struct seq_buf *s, const char *fmt, va_list args);
-extern int seq_buf_to_user(struct seq_buf *s, char __user *ubuf,
-                          int cnt);
-extern int seq_buf_puts(struct seq_buf *s, const char *str);
-extern int seq_buf_putc(struct seq_buf *s, unsigned char c);
-
-void seq_buf_human_readable_u64(struct seq_buf *, u64);
-
-#endif /* _LINUX_SEQ_BUF_H */