--- /dev/null
+////////////////////////////////////////////////////////////////////////////////\r
+\r
+// Author: Andy Rushton\r
+// Copyright: (c) Southampton University 1999-2004\r
+// (c) Andy Rushton 2004-2009\r
+// License: BSD License, see ../docs/license.html\r
+\r
+////////////////////////////////////////////////////////////////////////////////\r
+\r
+#include "persistent_cstring.hpp"\r
+#include "persistent_int.hpp"\r
+#include <string.h>\r
+\r
+////////////////////////////////////////////////////////////////////////////////\r
+// Null-terminated char arrays\r
+// Format: address [ size data ]\r
+\r
+void stlplus::dump_cstring(stlplus::dump_context& context, const char* data) throw(stlplus::persistent_dump_failed)\r
+{\r
+ // register the address and get the magic key for it\r
+ std::pair<bool,unsigned> mapping = context.pointer_map(data);\r
+ stlplus::dump_unsigned(context,mapping.second);\r
+ // if the address is null, then that is all that we need to do\r
+ // however, if it is non-null and this is the first sight of the address, dump the contents\r
+ if (data && !mapping.first)\r
+ {\r
+ unsigned size = strlen(data);\r
+ stlplus::dump_unsigned(context,size);\r
+ for (unsigned i = 0; i < size; i++)\r
+ stlplus::dump_char(context,data[i]);\r
+ }\r
+}\r
+\r
+void stlplus::restore_cstring(restore_context& context, char*& data) throw(stlplus::persistent_restore_failed)\r
+{\r
+ // destroy any previous contents\r
+ if (data)\r
+ {\r
+ delete[] data;\r
+ data = 0;\r
+ }\r
+ // get the magic key\r
+ unsigned magic = 0;\r
+ stlplus::restore_unsigned(context,magic);\r
+ // now lookup the magic key to see if this pointer has already been restored\r
+ // null pointers are always flagged as already restored\r
+ std::pair<bool,void*> address = context.pointer_map(magic);\r
+ if (!address.first)\r
+ {\r
+ // this pointer has never been seen before and is non-null\r
+ // restore the string\r
+ unsigned size = 0;\r
+ stlplus::restore_unsigned(context,size);\r
+ data = new char[size+1];\r
+ for (unsigned i = 0; i < size; i++)\r
+ stlplus::restore_char(context,data[i]);\r
+ data[size] = '\0';\r
+ // add this pointer to the set of already seen objects\r
+ context.pointer_add(magic,data);\r
+ }\r
+}\r
+\r
+////////////////////////////////////////////////////////////////////////////////\r