diff options
Diffstat (limited to 'include/linux/tty_flip.h')
| -rw-r--r-- | include/linux/tty_flip.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h new file mode 100644 index 00000000..9239d033 --- /dev/null +++ b/include/linux/tty_flip.h @@ -0,0 +1,28 @@ +#ifndef _LINUX_TTY_FLIP_H +#define _LINUX_TTY_FLIP_H + +extern int tty_buffer_request_room(struct tty_struct *tty, size_t size); +extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size); +extern int tty_insert_flip_string_fixed_flag(struct tty_struct *tty, const unsigned char *chars, char flag, size_t size); +extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size); +extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size); +void tty_schedule_flip(struct tty_struct *tty); + +static inline int tty_insert_flip_char(struct tty_struct *tty, + unsigned char ch, char flag) +{ + struct tty_buffer *tb = tty->buf.tail; + if (tb && tb->used < tb->size) { + tb->flag_buf_ptr[tb->used] = flag; + tb->char_buf_ptr[tb->used++] = ch; + return 1; + } + return tty_insert_flip_string_flags(tty, &ch, &flag, 1); +} + +static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size) +{ + return tty_insert_flip_string_fixed_flag(tty, chars, TTY_NORMAL, size); +} + +#endif /* _LINUX_TTY_FLIP_H */ |