Add casts for unavoidable signed/unsigned comparisons

[novacoin.git] / src / script.cpp

diff --git a/src/script.cpp b/src/script.cpp
index eb8200b..660023e 100644 (file)
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -536,7 +536,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
                         return false;
                     int n = CastToBigNum(stacktop(-1)).getint();
                     popstack(stack);
-                    if (n < 0 || n >= stack.size())
+                    if (n < 0 || n >= (int)stack.size())
                         return false;
                     valtype vch = stacktop(-n-1);
                     if (opcode == OP_ROLL)
@@ -604,9 +604,9 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
                     int nEnd = nBegin + CastToBigNum(stacktop(-1)).getint();
                     if (nBegin < 0 || nEnd < nBegin)
                         return false;
-                    if (nBegin > vch.size())
+                    if (nBegin > (int)vch.size())
                         nBegin = vch.size();
-                    if (nEnd > vch.size())
+                    if (nEnd > (int)vch.size())
                         nEnd = vch.size();
                     vch.erase(vch.begin() + nEnd, vch.end());
                     vch.erase(vch.begin(), vch.begin() + nBegin);
@@ -625,7 +625,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
                     int nSize = CastToBigNum(stacktop(-1)).getint();
                     if (nSize < 0)
                         return false;
-                    if (nSize > vch.size())
+                    if (nSize > (int)vch.size())
                         nSize = vch.size();
                     if (opcode == OP_LEFT)
                         vch.erase(vch.begin() + nSize, vch.end());