Add casts for unavoidable signed/unsigned comparisons

At these code sites, it is preferable to cast rather than change
a variable's type.
This commit is contained in:
Jeff Garzik
2012-04-22 13:51:16 -04:00
committed by Jeff Garzik
parent c0a0a93d02
commit 1d8c7a9557
8 changed files with 21 additions and 19 deletions

View File

@@ -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());