tools/deflate/en_windows.go

//go:build windows

package yu_deflate

// Zlib
//
//	@Description: Zlib 格式压缩数据
//	@param buf 欲压缩的数据
//	@return []byte 压缩后的数据
func Zlib(buf []byte) []byte {
	if len(buf) == 0 {
		return nil
	}
	j_comp := m_pool_comp.Get().(*uintptr)
	defer m_pool_comp.Put(j_comp)
	var j_buf []byte
	if len(buf) < 64 {
		j_buf = make([]byte, 64)
	} else {
		j_buf = make([]byte, len(buf))
	}
	var j_i int
_compress:
	j_n, _, _ := libdeflate_zlib_compress.Call(*j_comp, buf, len(buf), j_buf, len(j_buf))
	if j_i++; j_n == 0 && j_i < 3 {
		j_buf = make([]byte, len(buf)*j_i)
		goto _compress
	}
	return j_buf[:j_n]
}

// Deflate
//
//	@Description: Deflate 格式压缩数据
//	@param buf 欲压缩的数据
//	@return []byte 压缩后的数据
func Deflate(buf []byte) []byte {
	if len(buf) == 0 {
		return nil
	}
	j_comp := m_pool_comp.Get().(*uintptr)
	defer m_pool_comp.Put(j_comp)
	var j_buf []byte
	if len(buf) < 64 {
		j_buf = make([]byte, 64)
	} else {
		j_buf = make([]byte, len(buf))
	}
	var j_i int
_compress:
	j_n, _, _ := libdeflate_deflate_compress.Call(*j_comp, buf, len(buf), j_buf, len(j_buf))
	if j_i++; j_n == 0 && j_i < 3 {
		j_buf = make([]byte, len(buf)*j_i)
		goto _compress
	}
	return j_buf[:j_n]
}

// Gzip
//
//	@Description: Gzip 格式压缩数据
//	@param buf 欲压缩的数据
//	@return []byte 压缩后的数据
func Gzip(buf []byte) []byte {
	if len(buf) == 0 {
		return nil
	}
	j_comp := m_pool_comp.Get().(*uintptr)
	defer m_pool_comp.Put(j_comp)
	var j_buf []byte
	if len(buf) < 64 {
		j_buf = make([]byte, 64)
	} else {
		j_buf = make([]byte, len(buf))
	}
	var j_i int
_compress:
	j_n, _, _ := libdeflate_gzip_compress.Call(*j_comp, buf, len(buf), j_buf, len(j_buf))
	if j_i++; j_n == 0 && j_i < 3 {
		j_buf = make([]byte, len(buf)*j_i)
		goto _compress
	}
	return j_buf[:j_n]
}