From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 2 Aug 2011 20:34:01 +0000 (-0400)
Subject: Fix reading of empty packets
X-Git-Tag: v0.3~5
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=7eda6fc7537f70a15af83ad11cc3a8c549052028

Fix reading of empty packets

Prior to this fix, an empty packet would be considered as an end of
file. (off-by-one in the size comparison)

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 021abf88..7120207d 100644
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -415,9 +415,9 @@ void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence)
 		file_stream->parent.timestamp = index->timestamp_begin;
 		pos->content_size = index->content_size;
 		pos->packet_size = index->packet_size;
-		if (index->data_offset < index->content_size)
+		if (index->data_offset <= index->content_size) {
 			pos->offset = 0;	/* will read headers */
-		else {
+		} else {
 			pos->offset = EOF;
 			return;
 		}