Changeset 270 for trunk/src/mesh

Timestamp:

Mar 3, 2006 7:37:18 AM (18 years ago)

Author:

cxsong

Message:

added copy array functions

File:

• trunk/src/mesh/byte_order.h (modified) (3 diffs)

trunk/src/mesh/byte_order.h

@@ -2 +2 @@
 #define __RP_BYTEORDER_H__
 
+//#include <stdio.h>
 #include <string.h>
 
@@ -19 +20 @@
         // If the machine calling this function uses big endian byte order,
         // bytes are flipped.
-        static void OrderCopy(const ValType& src_val, ValType& dst_val)
+        static void OrderCopy(const ValType* src_val, ValType* dst_val)
         {
-                unsigned char* src = (unsigned char *)&src_val;
-                unsigned char* dst = (unsigned char *)&dst_val;
+                unsigned char* src = (unsigned char *)src_val;
+                unsigned char* dst = (unsigned char *)dst_val;
         
                 // our software will use little endian
@@ -51 +52 @@
                         unsigned int i;
                         for (i=0; i<sizeof(ValType); i++) 
-                                memcpy((void*)&dst, (void*)&src, sizeof(ValType));
+                                memcpy((void*)dst, (void*)src, sizeof(ValType));
                 }
         };
 
+        // copy an array of ValType elements
+        static void OrderCopyArray(const ValType* src_val, ValType* dst_val, int nitems)
+        {
+                for (int i=0; i < nitems; i++)
+                        OrderCopy(&(src_val[i]), &(dst_val[i]));
+        };
+
         // swap bytes in place, src altered for BE machine.
-        static void Flip(ValType& src_val)
+        static void Flip(ValType* src_val)
         {
                 ValType val;
-                Copy(src_val, val);
-                memcpy((void*)&src_val, (void*)&val, sizeof(ValType));
+                Copy(src_val, &val);
+                memcpy((void*)src_val, (void*)&val, sizeof(ValType));
         };
+
+        static void FlipArray(ValType* src_val, int nitems)
+        {
+                for (int i=0; i < nitems; i++)
+                        Flip(&(src_val[i]));
+        }
 
         operator ValType () const