Don't std::advance past beginning of transactions array. Fixes #465

2011-08-12 15:39:12 -04:00 · 2011-08-12 15:39:12 -04:00 · eb72eae304
parent 498a2c9b16
commit eb72eae304
1 changed files with 2 additions and 1 deletions
--- a/src/rpc.cpp
+++ b/src/rpc.cpp
@ -1188,7 +1188,8 @@ Value listtransactions(const Array& params, bool fHelp)

        // Now: iterate backwards until we have nCount items to return:
        TxItems::reverse_iterator it = txByTime.rbegin();
-        for (std::advance(it, nFrom); it != txByTime.rend(); ++it)
+        if (txByTime.size() > nFrom) std::advance(it, nFrom);
+        for (; it != txByTime.rend(); ++it)
        {
            CWalletTx *const pwtx = (*it).second.first;
            if (pwtx != 0)