ir: verify stream mode in stream functions

Some functions are disabled in CTF writer mode and vice versa.

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/formats/ctf/ir/stream.c b/formats/ctf/ir/stream.c
index 69e2fe18bb3356f2169ab48ff857f06296ed4a25..4339010e1846f1b8a7fbbcbbac9a01b8e24e0a79 100644 (file)
--- a/formats/ctf/ir/stream.c
+++ b/formats/ctf/ir/stream.c
@@ -362,7 +362,8 @@ int bt_ctf_stream_get_discarded_events_count(
        struct bt_ctf_field *events_discarded_field = NULL;
        struct bt_ctf_field_type *events_discarded_field_type = NULL;
 
-       if (!stream || !count || !stream->packet_context) {
+       if (!stream || !count || !stream->packet_context ||
+                       stream->pos.fd < 0) {
                ret = -1;
                goto end;
        }
@@ -425,7 +426,7 @@ void bt_ctf_stream_append_discarded_events(struct bt_ctf_stream *stream,
        struct bt_ctf_field *events_discarded_field = NULL;
        struct bt_ctf_field_type *events_discarded_field_type = NULL;
 
-       if (!stream || !stream->packet_context) {
+       if (!stream || !stream->packet_context || stream->pos.fd < 0) {
                goto end;
        }
 
@@ -478,7 +479,7 @@ int bt_ctf_stream_append_event(struct bt_ctf_stream *stream,
 {
        int ret = 0;
 
-       if (!stream || !event) {
+       if (!stream || !event || stream->pos.fd < 0) {
                ret = -1;
                goto end;
        }
@@ -522,7 +523,7 @@ struct bt_ctf_field *bt_ctf_stream_get_packet_context(
 {
        struct bt_ctf_field *packet_context = NULL;
 
-       if (!stream) {
+       if (!stream || stream->pos.fd < 0) {
                goto end;
        }
 
@@ -540,7 +541,7 @@ int bt_ctf_stream_set_packet_context(struct bt_ctf_stream *stream,
        int ret = 0;
        struct bt_ctf_field_type *field_type;
 
-       if (!stream || !field) {
+       if (!stream || !field || stream->pos.fd < 0) {
                ret = -1;
                goto end;
        }
@@ -565,7 +566,7 @@ struct bt_ctf_field *bt_ctf_stream_get_packet_header(
 {
        struct bt_ctf_field *packet_header = NULL;
 
-       if (!stream) {
+       if (!stream || stream->pos.fd < 0) {
                goto end;
        }
 
@@ -584,7 +585,7 @@ int bt_ctf_stream_set_packet_header(struct bt_ctf_stream *stream,
        struct bt_ctf_trace *trace = NULL;
        struct bt_ctf_field_type *field_type = NULL;
 
-       if (!stream || !field) {
+       if (!stream || !field || stream->pos.fd < 0) {
                ret = -1;
                goto end;
        }