Method crc32_update

lib_acl_cpp/src/stdlib/zlib_stream.cpp:625–636

}

unsigned zlib_stream::crc32_update(unsigned n, const void* buf, size_t dlen)
{
#ifdef  HAS_ZLIB
# if defined(ACL_CPP_DLL) || defined(HAS_ZLIB_DLL)
	if (__crc32 == NULL) {
		logger_warn("__crc32 null, zlib maybe not loaded yet");
		return 0;
	}
# endif
#endif
	return (unsigned) __crc32(n, (const Bytef*) buf, (unsigned) dlen);
}

bool zlib_stream::unzip_begin(bool have_zlib_header /* = true */,
	int wsize /* = 15 */)