From: Thomas Koeller <thomas@koeller.dyndns.org>
To: Alan Cox <alan@redhat.com>, linux-kernel@vger.kernel.org
Subject: [PATCH] tty flip buffer handling
Date: Thu, 23 Feb 2006 02:14:08 +0100 [thread overview]
Message-ID: <200602230214.08548.thomas@koeller.dyndns.org> (raw)
Add a couple of 'const' qualifiers to the TTY flip buffer APIs,
where appropriate.
Signed-off-by: Thomas Koeller <thomas@koeller.dyndns.org>
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index e9bba94..2d041bc 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -354,7 +354,7 @@ int tty_buffer_request_room(struct tty_s
EXPORT_SYMBOL_GPL(tty_buffer_request_room);
-int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size)
+int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
{
int copied = 0;
do {
@@ -378,7 +378,7 @@ int tty_insert_flip_string(struct tty_st
EXPORT_SYMBOL_GPL(tty_insert_flip_string);
-int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size)
+int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size)
{
int copied = 0;
do {
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index 222faf9..cbe5ce3 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -2,8 +2,8 @@
#define _LINUX_TTY_FLIP_H
extern int tty_buffer_request_room(struct tty_struct *tty, size_t size);
-extern int tty_insert_flip_string(struct tty_struct *tty, unsigned char *chars, size_t size);
-extern int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *chars, char *flags, size_t size);
+extern int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, 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_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);
--
Thomas Koeller
thomas@koeller.dyndns.org
next reply other threads:[~2006-02-23 1:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-23 1:14 Thomas Koeller [this message]
2006-02-23 13:12 ` Alan Cox
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