From 9d1f6da8441e25faf7b744ed6ccbd88111ed0b1a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Axel=20D=C3=B6rfler?= <axeld@pinc-software.de>
Date: Fri, 1 Oct 2004 17:29:10 +0000
Subject: [PATCH] line_buffer_read() did not properly remove the bytes read, it
 just bumped the read offset.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9152 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/kernel/drivers/tty/line_buffer.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/add-ons/kernel/drivers/tty/line_buffer.cpp b/src/add-ons/kernel/drivers/tty/line_buffer.cpp
index cd8776dbce..ddead899a9 100644
--- a/src/add-ons/kernel/drivers/tty/line_buffer.cpp
+++ b/src/add-ons/kernel/drivers/tty/line_buffer.cpp
@@ -82,8 +82,10 @@ line_buffer_user_read(struct line_buffer &buffer, char *data, size_t length)
 			bytesRead = B_BAD_ADDRESS;
 	}
 
-	if (bytesRead > 0)
+	if (bytesRead > 0) {
 		buffer.first = (buffer.first + bytesRead) % buffer.size;
+		buffer.in -= bytesRead;
+	}
 
 	return bytesRead;
 }