handmade/include/debug.h

#pragma once

#ifdef DEBUG

#include <SDL_log.h>
#include <stdarg.h>

#define DEBUG_LOG(...) debug_log (__FILE__, __LINE__, __func__, __VA_ARGS__)

static void
debug_log (
const char* filename,
const int lineno,
const char* func,
const char* fmt, ...)
{
	va_list ap;
	char buf[8192];

	SDL_memset (buf, 0, sizeof buf);
	va_start (ap, fmt);
	vsnprintf (buf, (sizeof buf) - 1, fmt, ap);
	va_end (ap);

	SDL_LogMessage (SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_DEBUG,
		"%s:%d: %s(): %s", filename, lineno, func, buf);
}


#else
#define DEBUG_LOG(...)
#endif