#include <stdio.h>

enum { LOGL_TRACE, LOGL_DEBUG, LOGL_INFO, LOGL_WARN, LOGL_ERROR, LOGL_FATAL };

/*
 * log_info("Hello %s!", "World");
 * log_warn("warning");
 */
#define log_trace(...) dp_log_write(LOGL_TRACE, __FILE__, __LINE__, __VA_ARGS__)
#define log_debug(...) dp_log_write(LOGL_DEBUG, __FILE__, __LINE__, __VA_ARGS__)
#define log_info(...) dp_log_write(LOGL_INFO, __FILE__, __LINE__, __VA_ARGS__)
#define log_warn(...) dp_log_write(LOGL_WARN, __FILE__, __LINE__, __VA_ARGS__)
#define log_error(...) dp_log_write(LOGL_ERROR, __FILE__, __LINE__, __VA_ARGS__)
#define log_fatal(...) dp_log_write(LOGL_FATAL, __FILE__, __LINE__, __VA_ARGS__)

void dp_log_set_output(void (*)(int level, const char *source, int line, const char *msg));

/*
 * Sets the minimum log level. Level is inclusive.
 */
void dp_log_set_level(int level);

void dp_log_write(int level, const char *source, int line, const char *fmt, ...);