1 files changed, 91 insertions, 0 deletions
diff --git a/src/common/basic_utils.h b/src/common/basic_utils.h
new file mode 100755
index 00000000..4bd208d3
--- /dev/null
+++ b/src/common/basic_utils.h
@@ -0,0 +1,91 @@
+#ifndef _BASIC_UTILS_H
+#define _BASIC_UTILS_H
+
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+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.
+*/
+
+#include "c_common.h"
+#include <stdio.h>
+#include <string>
+
+
+
+/**
+ * the round must be power 2 e.g 2,4,8...
+ * 
+ * @param num
+ * @param round
+ * @return 
+ */
+inline uint utl_align_up(uint num,uint round){
+    if ((num & ((round-1)) )==0) {
+        //the number align
+        return(num);
+    }
+    return( (num+round) & (~(round-1)) );
+}
+
+inline uint utl_align_down(uint num,uint round){
+    return( (num) & (~(round-1)) );
+}
+
+
+void utl_DumpBuffer(FILE* fp,void  * src,  unsigned int size,int offset=0);
+
+
+
+#define SHOW_BUFFER_ADDR_EN     1
+#define SHOW_BUFFER_ADDR        2
+#define SHOW_BUFFER_CHAR        4
+
+#define SHOW_BUFFER_ALL (SHOW_BUFFER_ADDR_EN|SHOW_BUFFER_ADDR|SHOW_BUFFER_CHAR)
+
+void utl_DumpBuffer2(FILE* fd,
+                     void  * src,  
+                     unsigned int size, //buffer size
+                     unsigned int width ,
+                     unsigned int width_line ,
+                     unsigned int mask);
+
+
+
+#undef min
+#undef max
+
+template <class T>
+inline const T& utl_min(const T& a, const T& b) {
+  return b < a ? b : a;
+}
+
+template <class T>
+inline const T& utl_max(const T& a, const T& b) {
+  return  a < b ? b : a;
+}
+
+template <class T>
+inline void utl_swap(T& a, T& b) {
+  T tmp = a;
+  a = b;
+  b = tmp;
+}
+
+
+bool utl_is_file_exists (const std::string& name) ;
+
+
+#endif
+
+