From e917fdc164d5ea164e97ede2d25b621b3b5322ff Mon Sep 17 00:00:00 2001
From: chenshijun <csj_sky@126.com>
Date: 星期二, 31 三月 2020 17:37:16 +0800
Subject: [PATCH] 增加memcpy和memmove操作,待测试
---
shmMemory.go | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 46 insertions(+), 0 deletions(-)
diff --git a/shmMemory.go b/shmMemory.go
new file mode 100644
index 0000000..c7806df
--- /dev/null
+++ b/shmMemory.go
@@ -0,0 +1,46 @@
+// 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
+}
--
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