Increment the copy source address to match the data read offset. (seek):

2000-02-09  NotZed  <notzed@zedzone.helixcode.com>

	* camel/camel-simple-data-wrapper-stream.c (read): Increment the
	copy source address to match the data read offset.
	(seek): Actually implement the seek.

svn path=/trunk/; revision=1722

1 files changed, 7 insertions, 2 deletions

diff --git a/camel/camel-simple-data-wrapper-stream.c b/camel/camel-simple-data-wrapper-stream.c
index 7316997c03..5e89734729 100644
--- a/camel/camel-simple-data-wrapper-stream.c
+++ b/camel/camel-simple-data-wrapper-stream.c
@@ -50,7 +50,7 @@ read (CamelStream *stream,
 
 	len = MIN (n, array->len - wrapper_stream->current_position);
 	if (len > 0) {
-		memcpy (buffer, array->data, len);
+		memcpy (buffer, wrapper_stream->current_position + array->data, len);
 		wrapper_stream->current_position += len;
 		return len;
 	} else {
@@ -161,13 +161,18 @@ seek (CamelSeekableStream *stream,
 		new_position = wrapper_stream->current_position + offset;
 		break;
 	case CAMEL_STREAM_END:
-		new_position = wrapper_stream->wrapper->byte_array->len;
+		new_position = wrapper_stream->wrapper->byte_array->len - offset;
 		break;
 	default:
 		g_warning ("Unknown CamelStreamSeekPolicy %d.", policy);
 		return -1;
 	}
 
+	if (new_position<0)
+		new_position = 0;
+	else if (new_position>=wrapper_stream->wrapper->byte_array->len)
+		new_position = wrapper_stream->wrapper->byte_array->len-1;
+
 	wrapper_stream->current_position = new_position;
 	return new_position;
 }