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Add error messages to String::hex_to_int, and accept capital X in prefix

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Wilson E. Alvarez 2021-10-21 12:37:26 -04:00
parent 468b987aa3
commit 549a48ccc9
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GPG key ID: A32174A3D2ED3F9E
1 changed files with 2 additions and 2 deletions
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4
core/string/ustring.cpp
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@ -2137,7 +2137,7 @@ int64_t String::hex_to_int() const {
s++;
}
if (len > 2 && s[0] == '0' && s[1] == 'x') {
if (len > 2 && s[0] == '0' && lower_case(s[1]) == 'x') {
s += 2;
}
@ -2151,7 +2151,7 @@ int64_t String::hex_to_int() const {
} else if (c >= 'a' && c <= 'f') {
n = (c - 'a') + 10;
} else {
return 0;
ERR_FAIL_COND_V_MSG(true, 0, "Invalid hexadecimal notation character \"" + chr(*s) + "\" in string \"" + *this + "\".");
}
// Check for overflow/underflow, with special case to ensure INT64_MIN does not result in error
bool overflow = ((hex > INT64_MAX / 16) && (sign == 1 || (sign == -1 && hex != (INT64_MAX >> 4) + 1))) || (sign == -1 && hex == (INT64_MAX >> 4) + 1 && c > '0');