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qmake: fix raw data detach avoidance

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the m_tmp array is a member, so the index toggle for accessing it also
needs to be one - otherwise, odd iteration counts will defeat the
mechanism.

Change-Id: If7a800ed5a4b4168625daf1ebbd5d2d164569d8e
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Oswald Buddenhagen 2017-08-11 14:55:37 +02:00 committed by Tony Sarajärvi
parent 5131bb9bed
commit ccb8afcda7
3 changed files with 6 additions and 12 deletions
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12
qmake/library/qmakebuiltins.cpp
View File

@ -884,12 +884,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinExpand(
evalError(fL1S("find(var, str) requires two arguments."));
} else {
QRegExp regx(args.at(1).toQString());
int t = 0;
const auto vals = values(map(args.at(0)));
for (const ProString &val : vals) {
if (regx.indexIn(val.toQString(m_tmp[t])) != -1)
if (regx.indexIn(val.toQString(m_tmp[m_toggle ^= 1])) != -1)
ret += val;
t ^= 1;
}
}
break;
@ -1387,12 +1385,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional(
copy.detach();
regx.setPattern(copy);
}
int t = 0;
const auto strings = vars.value(map(args.at(1)));
for (const ProString &s : strings) {
if ((!regx.isEmpty() && regx.exactMatch(s.toQString(m_tmp[t]))) || s == qry)
if ((!regx.isEmpty() && regx.exactMatch(s.toQString(m_tmp[m_toggle ^= 1]))) || s == qry)
return ReturnTrue;
t ^= 1;
}
}
return ReturnFalse;
@ -1457,12 +1453,10 @@ QMakeEvaluator::VisitReturn QMakeEvaluator::evaluateBuiltinConditional(
}
const ProStringList &l = values(map(args.at(0)));
if (args.count() == 2) {
int t = 0;
for (int i = 0; i < l.size(); ++i) {
const ProString &val = l[i];
if ((!regx.isEmpty() && regx.exactMatch(val.toQString(m_tmp[t]))) || val == qry)
if ((!regx.isEmpty() && regx.exactMatch(val.toQString(m_tmp[m_toggle ^= 1]))) || val == qry)
return ReturnTrue;
t ^= 1;
}
} else {
const auto &mutuals = args.at(2).toQStringRef().split(QLatin1Char('|'));

5
qmake/library/qmakeevaluator.cpp
View File

@ -226,6 +226,7 @@ QMakeEvaluator::QMakeEvaluator(QMakeGlobals *option, QMakeParser *parser, QMakeV
m_skipLevel = 0;
#endif
m_listCount = 0;
m_toggle = 0;
m_valuemapStack.push(ProValueMap());
m_valuemapInited = false;
}
@ -1638,12 +1639,10 @@ bool QMakeEvaluator::isActiveConfig(const QStringRef &config, bool regex)
return true;
// CONFIG variable
int t = 0;
const auto configValues = values(statics.strCONFIG);
for (const ProString &configValue : configValues) {
if (re.exactMatch(configValue.toQString(m_tmp[t])))
if (re.exactMatch(configValue.toQString(m_tmp[m_toggle ^= 1])))
return true;
t ^= 1;
}
} else {
// mkspecs

1
qmake/library/qmakeevaluator.h
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@ -286,6 +286,7 @@ public:
QString m_outputDir;
int m_listCount;
int m_toggle;
bool m_valuemapInited;
bool m_hostBuild;
QString m_qmakespec;