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CheckSizeof: allow division with sizeof(char) when byte count is expected.

This commit is contained in:
Daniel Marjamäki 2016-07-17 19:19:05 +02:00
parent 9422f0c558
commit 0162f33d3f
1 changed files with 10 additions and 3 deletions
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13
lib/checksizeof.cpp
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@ -157,10 +157,17 @@ void CheckSizeof::checkSizeofForPointerSize()
if (tokFunc && tokSize) {
for (const Token* tok2 = tokSize; tok2 != tokFunc->linkAt(1); tok2 = tok2->next()) {
if (tok2->str() == "sizeof")
break;
if (Token::simpleMatch(tok2, "/ sizeof"))
if (Token::simpleMatch(tok2, "/ sizeof")) {
// Allow division with sizeof(char)
if (Token::simpleMatch(tok2->next(), "sizeof (")) {
const Token *sztok = tok2->tokAt(2)->astOperand2();
const ValueType *vt = ((sztok != nullptr) ? sztok->valueType() : nullptr);
if (vt && vt->type == ValueType::CHAR && vt->pointer == 0)
continue;
}
divideBySizeofError(tok2, tokFunc->str());
}
}
}