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Fixed crash on garbage code in CheckOther::checkVariableScope(). The corresponding backtrace is hosted at https://github.com/orbitcowboy/cppcheck_crash_files/blob/master/crash223.cpp

This commit is contained in:
Martin Ettl 2014-09-29 19:44:25 +02:00
parent 2ca47601cd
commit a7c870bdc8
2 changed files with 12 additions and 1 deletions
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2
lib/checkother.cpp
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@ -1336,7 +1336,7 @@ void CheckOther::checkVariableScope()
}
bool reduce = true;
bool used = false; // Don't warn about unused variables
for (; tok != var->scope()->classEnd; tok = tok->next()) {
for (; tok && tok != var->scope()->classEnd; tok = tok->next()) {
if (tok->str() == "{" && tok->scope() != tok->previous()->scope() && !tok->isExpandedMacro() && tok->scope()->type != Scope::eLambda) {
if (used) {
bool used2 = false;

11
test/testgarbage.cpp
View File

@ -51,6 +51,7 @@ private:
TEST_CASE(garbageCode9); // #5604
TEST_CASE(garbageCode10); // #6127
TEST_CASE(garbageCode11);
TEST_CASE(garbageCode12);
TEST_CASE(astGarbage);
}
@ -60,6 +61,12 @@ private:
Settings settings;
settings.debugwarnings = true;
settings.addEnabled("style");
settings.addEnabled("warning");
settings.addEnabled("portability");
settings.addEnabled("performance");
settings.inconclusive = true;
settings.experimental = true;
// tokenize..
Tokenizer tokenizer(&settings, this);
@ -238,6 +245,10 @@ private:
checkCode("( ) &");
}
void garbageCode12() { // do not crash
checkCode("{ g; S (void) { struct } { } int &g; }");
}
void astGarbage() {
checkCode("--"); // don't crash