[certi-cvs] certi/libHLA HLAbuffer.cc HLAbuffer.hh

[certi-cvs]

CVSROOT:        /sources/certi
Module name:    certi
Changes by:     Petr Gotthard <gotthardp>       08/11/19 10:25:06

Modified files:
        libHLA         : HLAbuffer.cc HLAbuffer.hh 

Log message:
        Implemented __assert_endianess to verify that libHLA is used correctly.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/certi/libHLA/HLAbuffer.cc?cvsroot=certi&r1=1.1&r2=1.2
http://cvs.savannah.gnu.org/viewcvs/certi/libHLA/HLAbuffer.hh?cvsroot=certi&r1=1.5&r2=1.6

Patches:
Index: HLAbuffer.cc
===================================================================
RCS file: /sources/certi/certi/libHLA/HLAbuffer.cc,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -b -r1.1 -r1.2
--- HLAbuffer.cc        2 Aug 2008 14:03:14 -0000       1.1
+++ HLAbuffer.cc        19 Nov 2008 10:25:03 -0000      1.2
@@ -11,7 +11,7 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Lesser General Public License for more details.
 //
-// $Id: HLAbuffer.cc,v 1.1 2008/08/02 14:03:14 gotthardp Exp $
+// $Id: HLAbuffer.cc,v 1.2 2008/11/19 10:25:03 gotthardp Exp $
 // ----------------------------------------------------------------------------
 
 #include "HLAbuffer.hh"
@@ -24,6 +24,26 @@
 
 __HLAbuffer::BufferList __HLAbuffer::gBuffers;
 
+const bool
+__HLAbuffer::__is_big_endian()
+{
+#ifdef HOST_IS_BIG_ENDIAN 
+    return true;
+#else 
+    return false;
+#endif 
+}
+
+const bool
+__HLAbuffer::__is_little_endian()
+{
+#ifdef HOST_IS_BIG_ENDIAN 
+    return false;
+#else 
+    return true;
+#endif 
+}
+
 //! Print the physical data buffer (for debugging purposes only)
 std::ostream& __print_buffer(std::ostream& stream, const void *buffer, size_t 
length)
 {
@@ -62,5 +82,5 @@
 
 } // namespace libhla
 
-// $Id: HLAbuffer.cc,v 1.1 2008/08/02 14:03:14 gotthardp Exp $
+// $Id: HLAbuffer.cc,v 1.2 2008/11/19 10:25:03 gotthardp Exp $
 

Index: HLAbuffer.hh
===================================================================
RCS file: /sources/certi/certi/libHLA/HLAbuffer.hh,v
retrieving revision 1.5
retrieving revision 1.6
diff -u -b -r1.5 -r1.6
--- HLAbuffer.hh        18 Nov 2008 10:21:34 -0000      1.5
+++ HLAbuffer.hh        19 Nov 2008 10:25:05 -0000      1.6
@@ -11,7 +11,7 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Lesser General Public License for more details.
 //
-// $Id: HLAbuffer.hh,v 1.5 2008/11/18 10:21:34 erk Exp $
+// $Id: HLAbuffer.hh,v 1.6 2008/11/19 10:25:05 gotthardp Exp $
 // ----------------------------------------------------------------------------
 
 #ifndef _HLATYPES_BUFFER_HH
@@ -64,6 +64,21 @@
     typedef std::map<char*,__HLAbuffer*> BufferList;
     static BufferList gBuffers;
 
+    // used to verify that user set correct endianess
+    static const bool __is_big_endian();
+    static const bool __is_little_endian();
+
+    void __assert_endianess()
+    {
+#ifdef HOST_IS_BIG_ENDIAN
+        if (!__is_big_endian())
+            throw std::runtime_error("compile without -DHOST_IS_BIG_ENDIAN");
+#else
+        if (!__is_little_endian())
+            throw std::runtime_error("compile with -DHOST_IS_BIG_ENDIAN");
+#endif
+    }
+
 public:
     char *mBegin;
     size_t mCapacity;
@@ -76,6 +91,7 @@
     __HLAbuffer(size_t capacity)
      : mUserAllocated(false), mShakeThat(NULL)
     {
+        __assert_endianess();
         // exponential growth: capacity *= 1.5
         mCapacity = (size_t)(capacity*1.5);
         mBegin = (char*)calloc(1, mCapacity);
@@ -86,6 +102,7 @@
     __HLAbuffer(void *begin, size_t capacity)
       : mBegin((char*)begin), mCapacity(capacity), mUserAllocated(true), 
mShakeThat(NULL)
     {
+        __assert_endianess();
         // store "this" to a global table
         gBuffers[mBegin + mCapacity] = this;
     }
@@ -165,5 +182,5 @@
 
 #endif // _HLATYPES_BUFFER_HH
 
-// $Id: HLAbuffer.hh,v 1.5 2008/11/18 10:21:34 erk Exp $
+// $Id: HLAbuffer.hh,v 1.6 2008/11/19 10:25:05 gotthardp Exp $