- added Dyn2Cstring (convert to C string and free dyn string)

dynstring.c

@@ -280,3 +280,16 @@ int DynStringBackspace(pDynString self)
   }
   return 1;
 }
+/*---------------------------------------------------------------------------*/
+char *Dyn2Cstring(pDynString self) {
+  char *result;
+  
+  assert(self);
+  assert(self->iMAGIC == DYNMAGIC);
+
+  result = self->pBuffer;
+
+  free(self);
+  
+  return result;
+}

dynstring.h

@@ -96,4 +96,8 @@ int DynStringBackspace(pDynString self);
    /* 
       removes one character at the end from the dynstring
     */
+char *Dyn2Cstring(pDynString self);
+   /* 
+      convert to C string and delete dynstring. The result must be freed when no longer used.
+    */
 #endif