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Remove redundant std::skipws from fresh string streams

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In C++, all standard input streams (including std::istringstream) are initialized with the skipws format flag enabled by default. Because these stream objects are scoped locally and freshly constructed on each loop iteration, we are guaranteed that skipws is already active.

closes https://github.com/official-stockfish/Stockfish/pull/6719

No functional change
This commit is contained in:
FauziAkram
2026-04-15 20:26:10 +02:00
committed by Joost VandeVondele
parent 5f3dcb92ee
commit 0694742a31
1 changed files with 6 additions and 6 deletions
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src/uci.cpp
+6 -6
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@@ -100,7 +100,7 @@ void UCIEngine::loop() {
std::istringstream is(cmd);
token.clear(); // Avoid a stale if getline() returns nothing or a blank line
is >> std::skipws >> token;
is >> token;
if (token == "quit" || token == "stop")
engine.stop();
@@ -154,10 +154,10 @@ void UCIEngine::loop() {
{
std::pair<std::optional<std::string>, std::string> files[2];
if (is >> std::skipws >> files[0].second)
if (is >> files[0].second)
files[0].first = files[0].second;
if (is >> std::skipws >> files[1].second)
if (is >> files[1].second)
files[1].first = files[1].second;
engine.save_network(files);
@@ -248,7 +248,7 @@ void UCIEngine::bench(std::istream& args) {
for (const auto& cmd : list)
{
std::istringstream is(cmd);
is >> std::skipws >> token;
is >> token;
if (token == "go" || token == "eval")
{
@@ -330,7 +330,7 @@ void UCIEngine::benchmark(std::istream& args) {
for (const auto& cmd : setup.commands)
{
std::istringstream is(cmd);
is >> std::skipws >> token;
is >> token;
if (token == "go")
{
@@ -381,7 +381,7 @@ void UCIEngine::benchmark(std::istream& args) {
for (const auto& cmd : setup.commands)
{
std::istringstream is(cmd);
is >> std::skipws >> token;
is >> token;
if (token == "go")
{