//   Copyright 2014 Vastech SA (PTY) LTD
//
//   Licensed under the Apache License, Version 2.0 (the "License");
//   you may not use this file except in compliance with the License.
//   You may obtain a copy of the License at
//
//       http://www.apache.org/licenses/LICENSE-2.0
//
//   Unless required by applicable law or agreed to in writing, software
//   distributed under the License is distributed on an "AS IS" BASIS,
//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//   See the License for the specific language governing permissions and
//   limitations under the License.

// +build linux

package shmqueue


//#include <string.h>
import "C"
import "unsafe"

func Memcpy(dest, src []byte) int {
	n := len(src)
	if len(dest) < len(src) {
		n = len(dest)
	}
	if n == 0 {
		return 0
	}
	C.memcpy(unsafe.Pointer(&dest[0]), unsafe.Pointer(&src[0]), C.size_t(n))
	return n
}

func Memmove(dest, src []byte) int {
	n := len(src)
	if len(dest) < len(src) {
		n = len(dest)
	}
	if n == 0 {
		return 0
	}
	C.memmove(unsafe.Pointer(&dest[0]), unsafe.Pointer(&src[0]), C.size_t(n))
	return n
}