+#define CTF_STREAM_SET_FIELD(ctf_stream, field, value) \
+ do { \
+ (ctf_stream)->(field) = (value); \
+ (ctf_stream)->field_mask |= CTF_STREAM_ ## field; \
+ } while (0)
+
+#define CTF_STREAM_FIELD_IS_SET(ctf_stream, field) \
+ ((ctf_stream)->field_mask & CTF_STREAM_ ## field)
+
+#define CTF_STREAM_GET_FIELD(ctf_stream, field) \
+ ({ \
+ assert(CTF_STREAM_FIELD_IS_SET(ctf_stream, field)); \
+ (ctf_stream)->(field); \
+ })
+