From 73429d6da189f350e509fb1716e26bfa9282a015 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Mon, 9 May 2005 18:03:44 +0000
Subject: Make "struct buffer"s reusable between sessions.

---
 src/core/buffer.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

(limited to 'src/core/buffer.c')

diff --git a/src/core/buffer.c b/src/core/buffer.c
index 47eb7b7ff..48588b6e9 100644
--- a/src/core/buffer.c
+++ b/src/core/buffer.c
@@ -32,15 +32,12 @@
  * Initialise a buffer
  *
  */
-void init_buffer ( struct buffer *buffer, physaddr_t start, size_t len ) {
-	buffer->start = start;
-	buffer->end = start + len;
-	buffer->fill = 0;
+void init_buffer ( struct buffer *buffer ) {
+	char tail = 1;
 
-	if ( len ) {
-		char tail = 1;
-		copy_to_phys ( start, &tail, sizeof ( tail ) );
-	}
+	buffer->fill = 0;
+	if ( buffer->end != buffer->start )
+		copy_to_phys ( buffer->start, &tail, sizeof ( tail ) );
 
 	DBG ( "BUFFER [%x,%x) initialised\n", buffer->start, buffer->end );
 }
-- 
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