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Fix parse_float accepting invalid input

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Otto Winter 2019-05-24 19:32:59 +02:00
parent 422754ed63
commit 16c2929bb4
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1 changed files with 1 additions and 1 deletions
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esphome/core/helpers.cpp
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@ -257,7 +257,7 @@ std::string to_string(long double val) {
optional<float> parse_float(const std::string &str) {
char *end;
float value = ::strtof(str.c_str(), &end);
if (end == nullptr)
if (end == nullptr || end != str.end().base())
return {};
return value;
}