#include "..\STDInclude.hpp"

#define VA_BUFFER_COUNT		4
#define VA_BUFFER_SIZE		4096

namespace Utils
{
	const char *VA(const char *fmt, ...)
	{
		static char g_vaBuffer[VA_BUFFER_COUNT][VA_BUFFER_SIZE];
		static int g_vaNextBufferIndex = 0;

		va_list ap;
		va_start(ap, fmt);
		char* dest = g_vaBuffer[g_vaNextBufferIndex];
		vsprintf_s(g_vaBuffer[g_vaNextBufferIndex], fmt, ap);
		g_vaNextBufferIndex = (g_vaNextBufferIndex + 1) % VA_BUFFER_COUNT;
		va_end(ap);
		return dest;
	}

	std::string StrToLower(std::string input)
	{
		std::transform(input.begin(), input.end(), input.begin(), ::tolower);
		return input;
	}

	bool EndsWith(const char* heystack, const char* needle)
	{
		return (strstr(heystack, needle) == (heystack + strlen(heystack) - strlen(needle)));
	}
}