Fix: maybe-uninitialized warning in bt_ctf_stream_flush()

GCC warning:
  In file included from ../../include/babeltrace/ctf-writer/fields-internal.h:41:0,
                   from ../../include/babeltrace/ctf-writer/field-wrapper-internal.h:26,
                   from ../../include/babeltrace/ctf-writer/event-internal.h:37,
                   from stream.c:32:
  stream.c: In function ‘bt_ctf_stream_flush’:
  ../../include/babeltrace/ctfser-internal.h:568:36: error:
  ‘packet_context_offset_bits’ may be used uninitialized in this function
  [-Werror=maybe-uninitialized]
    ctfser->offset_in_cur_packet_bits = offset_bits;
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
  stream.c:1608:11: note: ‘packet_context_offset_bits’ was declared here
    uint64_t packet_context_offset_bits;

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Change-Id: Ia7457b1a444290ba1a71459bfaf707812227899c
Reviewed-on: https://review.lttng.org/c/babeltrace/+/1029
Reviewed-by: Philippe Proulx <eeppeliteloop@gmail.com>

diff --git a/lib/ctf-writer/stream.c b/lib/ctf-writer/stream.c
index 3546facd0bf42a7dd1b155ea5516c5265387934e..8912b011f9b45c9c5e66635c9bded761d6699dd3 100644 (file)
--- a/lib/ctf-writer/stream.c
+++ b/lib/ctf-writer/stream.c
@@ -1605,7 +1605,7 @@ int bt_ctf_stream_flush(struct bt_ctf_stream *stream)
 {
        int ret = 0;
        size_t i;
-       uint64_t packet_context_offset_bits;
+       uint64_t packet_context_offset_bits = 0;
        struct bt_ctf_trace *trace;
        enum bt_ctf_byte_order native_byte_order;
        bool has_packet_size = false;