#pragma once

#include <cstddef>
#include <cstdint>

#if defined(__has_include)
#  if __has_include(<zlib-ng.h>)
#    include <zlib-ng.h>
#    define EXTRACTOR_HAVE_ZLIB_NG 1
#  endif
#endif

#ifndef EXTRACTOR_HAVE_ZLIB_NG
#include <zlib.h>

inline int zng_uncompress(uint8_t* dest, size_t* destLen, const uint8_t* source, size_t sourceLen) {
	uLongf dlen = static_cast<uLongf>(*destLen);
	int res = uncompress(reinterpret_cast<Bytef*>(dest), &dlen,
		reinterpret_cast<const Bytef*>(source), static_cast<uLong>(sourceLen));
	*destLen = static_cast<size_t>(dlen);
	return res;
}

inline int zng_uncompress2(uint8_t* dest, size_t* destLen, const uint8_t* source, size_t* sourceLen) {
	uLongf dlen = static_cast<uLongf>(*destLen);
	uLong slen = static_cast<uLong>(*sourceLen);
	int res = uncompress2(reinterpret_cast<Bytef*>(dest), &dlen,
		reinterpret_cast<const Bytef*>(source), &slen);
	*destLen = static_cast<size_t>(dlen);
	*sourceLen = static_cast<size_t>(slen);
	return res;
}

inline uint32_t zng_adler32(uint32_t adler, const uint8_t* buf, size_t len) {
	return static_cast<uint32_t>(adler32(adler, reinterpret_cast<const Bytef*>(buf), static_cast<uInt>(len)));
}
#endif