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[Qemu-devel] [PATCH v3 07/12] vnc: add buffer_free()


From: Corentin Chary
Subject: [Qemu-devel] [PATCH v3 07/12] vnc: add buffer_free()
Date: Wed, 19 May 2010 09:24:07 +0200

Add a buffer_free() helper to free vnc buffers and
remove some duplicated code in vnc_disconnect_finish().

Signed-off-by: Corentin Chary <address@hidden>
---
 vnc.c |   18 ++++++++++--------
 vnc.h |    1 +
 2 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/vnc.c b/vnc.c
index a5a0456..8f256b3 100644
--- a/vnc.c
+++ b/vnc.c
@@ -506,6 +506,14 @@ void buffer_reset(Buffer *buffer)
         buffer->offset = 0;
 }
 
+void buffer_free(Buffer *buffer)
+{
+    qemu_free(buffer->buffer);
+    buffer->offset = 0;
+    buffer->capacity = 0;
+    buffer->buffer = NULL;
+}
+
 void buffer_append(Buffer *buffer, const void *data, size_t len)
 {
     memcpy(buffer->buffer + buffer->offset, data, len);
@@ -911,14 +919,8 @@ static void vnc_disconnect_finish(VncState *vs)
 {
     vnc_qmp_event(vs, QEVENT_VNC_DISCONNECTED);
 
-    if (vs->input.buffer) {
-        qemu_free(vs->input.buffer);
-        vs->input.buffer = NULL;
-    }
-    if (vs->output.buffer) {
-        qemu_free(vs->output.buffer);
-        vs->output.buffer = NULL;
-    }
+    buffer_free(&vs->input);
+    buffer_free(&vs->output);
 
     qobject_decref(vs->info);
 
diff --git a/vnc.h b/vnc.h
index b2d8738..abd9f27 100644
--- a/vnc.h
+++ b/vnc.h
@@ -376,6 +376,7 @@ void buffer_reserve(Buffer *buffer, size_t len);
 int buffer_empty(Buffer *buffer);
 uint8_t *buffer_end(Buffer *buffer);
 void buffer_reset(Buffer *buffer);
+void buffer_free(Buffer *buffer);
 void buffer_append(Buffer *buffer, const void *data, size_t len);
 
 
-- 
1.7.0.2




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