new memory buffer based stream.

	* camel/camel-stream-mem.c:
	* camel/camel-stream-mem.h:
	new memory buffer based stream.

	* camel/camel-stream-fs.c (_seek):
	implementation for file system based stream.

	* camel/camel-stream.c (camel_stream_seek):
	new method.

	* camel/camel-stream-fs.c (camel_stream_fs_class_init):
	pass CamelStreamFsClass instead of CamelStreamClass.

svn path=/trunk/; revision=1056

1 files changed, 27 insertions, 0 deletions

diff --git a/camel/camel-stream.c b/camel/camel-stream.c
index c66a950b26..b63a64ddb7 100644
--- a/camel/camel-stream.c
+++ b/camel/camel-stream.c
@@ -42,6 +42,12 @@ default_camel_close (CamelStream *stream)
 	/* nothing */
 }
 
+static gint
+default_camel_seek (CamelStream *stream, gint offset, CamelStreamSeekPolicy policy)
+{
+	/* nothing */
+}
+
 static void
 camel_stream_class_init (CamelStreamClass *camel_stream_class)
 {
@@ -55,6 +61,7 @@ camel_stream_class_init (CamelStreamClass *camel_stream_class)
 	camel_stream_class->available = NULL;
 	camel_stream_class->eos = NULL; 
 	camel_stream_class->close = default_camel_close;
+	camel_stream_class->seek = default_camel_seek;
 
 	/* virtual method overload */
 }
@@ -169,6 +176,26 @@ camel_stream_close (CamelStream *stream)
 	CS_CLASS (stream)->close (stream);
 }
 
+
+/**
+ * camel_stream_seek:
+ * @stream: a CamelStream object.
+ * @offset: offset value
+ * @policy: what to do with the offset
+ * 
+ * 
+ * 
+ * Return value: new position, -1 if operation failed.
+ **/
+gint
+camel_stream_seek (CamelStream *stream, gint offset, CamelStreamSeekPolicy policy)
+{
+	return CS_CLASS (stream)->seek (stream, offset, policy);
+}
+
+
+
+
 /***************** Utility functions ********************/
 
 /**