diff -r 000000000000 -r 6f7a81934006 lib/mystring/assign.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/mystring/assign.cc	Wed Jan 16 22:39:43 2008 +0100
@@ -0,0 +1,55 @@
+#include "mystring.h"
+#include "trace.h"
+#include <ctype.h>
+#include <string.h>
+
+void mystring::dupnil()
+{
+  trace("");
+  rep = &nil;
+  rep->attach();
+}
+
+void mystring::assign(const char* in)
+{
+  if(in)
+    assign(in, strlen(in));
+  else {
+    mystringrep* tmp = rep;
+    dupnil();
+    tmp->detach();
+  }
+}
+
+void mystring::assign(const char* in, size_t len)
+{
+  trace("in='" << in << "'");
+  if(in != rep->buf) {
+    mystringrep* tmp = rep;
+    dup(in, len);
+    tmp->detach();
+  }
+}
+
+void mystring::dup(const char* in, size_t len)
+{
+  trace("in='" << in << "'");
+  rep = mystringrep::dup(in, len);
+  rep->attach();
+}
+
+void mystring::dup(const char* in)
+{
+  if(in)
+    dup(in, strlen(in));
+  else
+    dupnil();
+}
+
+void mystring::operator=(const mystringjoin& in)
+{
+  mystringrep* tmp = rep;
+  rep = in.traverse();
+  rep->attach();
+  tmp->detach();
+}