API : iterator get and set position

[babeltrace.git] / formats / ctf / ctf.c

diff --git a/formats/ctf/ctf.c b/formats/ctf/ctf.c
index 80bd37869ed897f947c1b99e3f871b3d93d9692d..3ce428c387681db74cefadffd0f861daad43aba0 100644 (file)
--- a/formats/ctf/ctf.c
+++ b/formats/ctf/ctf.c
@@ -229,6 +229,11 @@ int ctf_read_event(struct stream_pos *ppos, struct ctf_stream *stream)
 
        ctf_pos_get_event(pos);
 
+       /* save the current position as a restore point */
+       pos->last_offset = pos->offset;
+       /* we just read the event, it is consumed when used by the caller */
+       stream->consumed = 0;
+
        /*
         * This is the EOF check after we've advanced the position in
         * ctf_pos_get_event.
@@ -507,8 +512,8 @@ void ctf_move_pos_slow(struct ctf_stream_pos *pos, size_t offset, int whence)
                        break;
                }
                case SEEK_SET:
-                       assert(offset == 0);    /* only seek supported for now */
-                       pos->cur_index = 0;
+                       if (offset == 0)
+                               pos->cur_index = 0;
                        file_stream->parent.prev_timestamp = 0;
                        file_stream->parent.prev_timestamp_end = 0;
                        break;