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#pragma once 
 
// Define machine endianness. This is for GCC: 
#if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) 
	#define BASE64_AVX2_LITTLE_ENDIAN 1 
#else 
	#define BASE64_AVX2_LITTLE_ENDIAN 0 
#endif 
 
// This is for Clang: 
#ifdef __LITTLE_ENDIAN__ 
	#define BASE64_AVX2_LITTLE_ENDIAN 1 
#endif 
 
#ifdef __BIG_ENDIAN__ 
	#define BASE64_AVX2_LITTLE_ENDIAN 0 
#endif 
 
// Endian conversion functions 
#if BASE64_AVX2_LITTLE_ENDIAN 
	#define cpu_to_be32(x)	__builtin_bswap32(x) 
	#define cpu_to_be64(x)	__builtin_bswap64(x) 
	#define be32_to_cpu(x)	__builtin_bswap32(x) 
	#define be64_to_cpu(x)	__builtin_bswap64(x) 
#else 
	#define cpu_to_be32(x)	(x) 
	#define cpu_to_be64(x)	(x) 
	#define be32_to_cpu(x)	(x) 
	#define be64_to_cpu(x)	(x) 
#endif 
 
// These tables are used by all codecs 
// for fallback plain encoding/decoding: 
extern const uint8_t avx2_base64_table_enc[]; 
extern const uint8_t avx2_base64_table_dec[];