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, ...)
{
	char buf[8192];
	va_list ap;
	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