Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtinfo/DtMmdb/dstr/void_ptr_stack.C

@@ -0,0 +1,70 @@
+/*
+ * $XConsortium: void_ptr_stack.cc /main/3 1996/06/11 17:18:35 cde-hal $
+ *
+ * Copyright (c) 1993 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+#include  "dstr/void_ptr_stack.h"
+
+void_ptr_stack::void_ptr_stack(int exp_size) :
+	void_ptr_array(exp_size)
+{
+}
+
+void_ptr_stack::~void_ptr_stack()
+{
+}
+
+void void_ptr_stack::push(void* new_elmt)
+{
+   insert(new_elmt, v_elmts++);
+}
+
+void* void_ptr_stack::pop()
+{
+   if ( v_elmts == 0 ) 
+       throw(stringException("empty stack"));
+
+   return operator[](--v_elmts);
+}
+
+void* void_ptr_stack::peep(int i)
+{
+   if INRANGE(i, -(v_elmts-1), 0) {
+      return operator[](v_elmts-i-1);
+   } else {
+      debug(cerr, i);
+      debug(cerr, v_elmts);
+      throw(stringException("invalid peep index"));
+   }
+}
+
+ostream& operator <<(ostream& out, void_ptr_stack& stk)
+{
+   for ( int i=stk.no_elmts(); i>0; i-- )
+     debug(cerr, (char*)stk.operator[](i-1));
+   return out;
+}
+