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Avoid uninitialised read when parsing hex float (#4646)

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Ensures that when an attempt to read a floating-point value from an
input stream fails, the recieving variable for the read does not end up
uninitialised.

Fixes OSS-Fuzz:40432
Fixes #4644
This commit is contained in:
Alastair Donaldson 2021-12-08 16:09:25 +00:00 committed by GitHub
parent f9bcc82ec7
commit 1f3f0f185b
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1 changed files with 1 additions and 1 deletions
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source/util/hex_float.h
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@ -199,7 +199,7 @@ bool operator==(const FloatProxy<T>& first, const FloatProxy<T>& second) {
// Reads a FloatProxy value as a normal float from a stream.
template <typename T>
std::istream& operator>>(std::istream& is, FloatProxy<T>& value) {
T float_val;
T float_val = static_cast<T>(0.0);
is >> float_val;
value = FloatProxy<T>(float_val);
return is;