1 files changed, 2 insertions, 0 deletions

diff --git a/noncore/apps/opie-reader/Navigation.cpp b/noncore/apps/opie-reader/Navigation.cpp
index 7b392ba..4f11887 100644
--- a/noncore/apps/opie-reader/Navigation.cpp
+++ b/noncore/apps/opie-reader/Navigation.cpp
@@ -1,50 +1,52 @@
 #include "Navigation.h"
 
+#include <string.h>
+
 void CNavigation::saveposn(size_t posn)
 {
 //    qDebug("Saved:%u [%u,%u,%u]", posn, historystart, historycurrent, historyend);
     historycurrent = historyend = (historycurrent+1)%NAVIGATION_HISTORY_SIZE;
     history[historycurrent] = posn;
     if (historystart == historyend) historystart = (historystart+1)%NAVIGATION_HISTORY_SIZE;
 //    qDebug("Saved:%u [%u,%u,%u]", posn, historystart, historycurrent, historyend);
 }
 
 bool CNavigation::forward(size_t& loc)
 {
     if (historycurrent != historyend)
     {
         historycurrent = (historycurrent + 1)%NAVIGATION_HISTORY_SIZE;
         loc = history[historycurrent];
         //qDebug("Forward:%u [%u,%u,%u]", loc, historystart, historycurrent, historyend);
         return true;
     }
     else
     {
         return false;
     }
 }
 
 bool CNavigation::back(size_t& loc)
 {
     if (historyend != historystart)
     {
         //qDebug("Back:%u [%u,%u,%u]", loc, historystart, historycurrent, historyend);
         if (historycurrent == historyend && history[historycurrent] != loc)
         {
             historyend = (historyend+1) % NAVIGATION_HISTORY_SIZE;
             history[historyend] = loc;
         }
         else
         {
             size_t sv = historycurrent;
             historycurrent = (historycurrent + NAVIGATION_HISTORY_SIZE - 1) % NAVIGATION_HISTORY_SIZE;
             if (historycurrent == historystart)
             {
                 historycurrent = sv;
                 return false;
             }
         }
         loc = history[historycurrent];
         //qDebug("Back:%u [%u,%u,%u]", loc, historystart, historycurrent, historyend);
         return true;
     }