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Fix crash when checking empty string for valid hex number

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This commit is contained in:
Andrii Doroshenko (Xrayez) 2018-12-24 20:06:35 +02:00
parent 10e9221c49
commit c891cf32ca
1 changed files with 4 additions and 1 deletions
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5
core/ustring.cpp
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@ -3578,9 +3578,12 @@ bool String::is_valid_integer() const {
bool String::is_valid_hex_number(bool p_with_prefix) const { bool String::is_valid_hex_number(bool p_with_prefix) const {
int from = 0;
int len = length(); int len = length();
if (len == 0)
return false;
int from = 0;
if (len != 1 && (operator[](0) == '+' || operator[](0) == '-')) if (len != 1 && (operator[](0) == '+' || operator[](0) == '-'))
from++; from++;