#define check_overflow \
if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
xbt_log_layout_format_dynamic(l,ev,msg_fmt,app); \
#define check_overflow \
if (p-ev->buffer > XBT_LOG_BUFF_SIZE) { /* buffer overflow */ \
xbt_log_layout_format_dynamic(l,ev,msg_fmt,app); \