Implement bt_ctf_trace_get_byte_order()

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/formats/ctf/ir/trace.c b/formats/ctf/ir/trace.c
index f782c5f50ff7cfb5b74c2ce38d8575262bdb1d72..fb897dabeea5e91ab804c9c1c4a06dcfde75dc21 100644 (file)
--- a/formats/ctf/ir/trace.c
+++ b/formats/ctf/ir/trace.c
@@ -567,6 +567,28 @@ end:
        return metadata;
 }
 
+enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(struct bt_ctf_trace *trace)
+{
+       enum bt_ctf_byte_order ret = BT_CTF_BYTE_ORDER_UNKNOWN;
+
+       if (!trace) {
+               goto end;
+       }
+
+       switch (trace->byte_order) {
+       case BIG_ENDIAN:
+               ret = BT_CTF_BYTE_ORDER_BIG_ENDIAN;
+               break;
+       case LITTLE_ENDIAN:
+               ret = BT_CTF_BYTE_ORDER_LITTLE_ENDIAN;
+               break;
+       default:
+               break;
+       }
+end:
+       return ret;
+}
+
 int bt_ctf_trace_set_byte_order(struct bt_ctf_trace *trace,
                enum bt_ctf_byte_order byte_order)
 {

diff --git a/include/babeltrace/ctf-ir/trace.h b/include/babeltrace/ctf-ir/trace.h
index 864eaf674e8d6dabb5c1a0f43fa303cf4de65782..c5a05147ab61deaa338c0bd9942f8c0b91b36706 100644 (file)
--- a/include/babeltrace/ctf-ir/trace.h
+++ b/include/babeltrace/ctf-ir/trace.h
@@ -232,7 +232,19 @@ extern struct bt_ctf_clock *bt_ctf_trace_get_clock(
 extern char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace);
 
 /*
- * bt_ctf_trace_set_byte_order: set a field type's byte order.
+ * bt_ctf_trace_get_byte_order: get a trace's byte order.
+ *
+ * Get the trace's byte order.
+ *
+ * @param trace Trace instance.
+ *
+ * Returns the trace's endianness, BT_CTF_BYTE_ORDER_UNKNOWN on error.
+ */
+extern enum bt_ctf_byte_order bt_ctf_trace_get_byte_order(
+               struct bt_ctf_trace *trace);
+
+/*
+ * bt_ctf_trace_set_byte_order: set a trace's byte order.
  *
  * Set the trace's byte order. Defaults to the current host's endianness.
  *