BT_CTF_ASSERT_PRE_MSG("CTF writer precondition not satisfied; error is:"); \
BT_CTF_ASSERT_PRE_MSG((_fmt), ##__VA_ARGS__); \
BT_CTF_ASSERT_PRE_MSG("Aborting..."); \
BT_CTF_ASSERT_PRE_MSG("CTF writer precondition not satisfied; error is:"); \
BT_CTF_ASSERT_PRE_MSG((_fmt), ##__VA_ARGS__); \
BT_CTF_ASSERT_PRE_MSG("Aborting..."); \