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fix warning: comparison of unsigned expression < 0 is always false [-Wtautological-compare]

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Don't check for a negative parameter count, because not only will it
never happen, it doesn't make any sense either.

Invalid sockets (as returned by socket(2)) are always exactly -1 (not
just negative as negative file descriptors are technically not
prohibited by POSIX) on POSIX systems.  Since we store them in SOCKET
(unsigned int), however, that really is ~0U (or MAX_UINT) which happens
to be what INVALID_SOCKET is already defined to, so an additional check
for being negative is not only unnecessary (unsigned integers aren't
*ever* negative) its redundant as well (the INVALID_SOCKET comparison is
enough).

Signed-off-by: Giel van Schijndel <me@mortis.eu>
This commit is contained in:
Giel van Schijndel 2011-06-24 20:09:24 +02:00
parent f85c097449
commit d7f1d200ab
2 changed files with 2 additions and 2 deletions
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2
src/net.cpp
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@ -831,7 +831,7 @@ void ThreadSocketHandler2(void* parg)
{
BOOST_FOREACH(CNode* pnode, vNodes)
{
if (pnode->hSocket == INVALID_SOCKET || pnode->hSocket < 0)
if (pnode->hSocket == INVALID_SOCKET)
continue;
FD_SET(pnode->hSocket, &fdsetRecv);
FD_SET(pnode->hSocket, &fdsetError);

2
src/rpc.cpp
View file

@ -706,7 +706,7 @@ int64 GetAccountBalance(const string& strAccount, int nMinDepth)
Value getbalance(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 0 || params.size() > 2)
if (fHelp || params.size() > 2)
throw runtime_error(
"getbalance [account] [minconf=1]\n"
"If [account] is not specified, returns the server's total available balance.\n"