magenta/libmango/include-user/mango/log.h

#ifndef MANGO_LOG_H_
#define MANGO_LOG_H_

#include <mango/status.h>
#include <mango/types.h>

#undef TRACE

extern kern_status_t kern_log(const char *s);

#define kern_logf(...)                                                         \
	do {                                                                   \
		char __logbuf[128];                                            \
		snprintf(__logbuf, sizeof __logbuf, __VA_ARGS__);              \
		kern_log(__logbuf);                                            \
	} while (0)

#ifdef TRACE
#define kern_trace(...) kern_log(__VA_ARGS__)
#define kern_tracef(...)                                                       \
	do {                                                                   \
		char __logbuf[128];                                            \
		snprintf(__logbuf, sizeof __logbuf, __VA_ARGS__);              \
		kern_log(__logbuf);                                            \
	} while (0)
#else
#define kern_trace(...)
#define kern_tracef(...)
#endif

#endif