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[poincare] Symbol: fix uninitialized read (valgrind)

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This commit is contained in:
Émilie Feral
2019-06-14 16:04:43 -04:00
parent 81a0e71409
commit 63ae889bc9
1 changed files with 4 additions and 3 deletions
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7
poincare/src/symbol.cpp
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@@ -161,9 +161,10 @@ bool SymbolNode::isUnknown(CodePoint unknownSymbol) const {
Symbol Symbol::Builder(CodePoint name) {
constexpr int bufferSize = CodePoint::MaxCodePointCharLength + 1;
char buffer[bufferSize];
int codePointSize = UTF8Decoder::CodePointToChars(name, buffer, bufferSize);
assert(codePointSize <= bufferSize);
return Symbol::Builder(buffer, codePointSize);
int codePointLength = UTF8Decoder::CodePointToChars(name, buffer, bufferSize);
assert(codePointLength < bufferSize);
buffer[codePointLength] = 0;
return Symbol::Builder(buffer, codePointLength);
}
bool Symbol::isSeriesSymbol(const char * c) {