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LibC: Make strtoull accept the '0x' prefix when base 16 is specified

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Dr.POSIX says it should be.
This commit is contained in:
AnotherTest 2021-02-15 15:02:07 +03:30 • committed by Andreas Kling
parent 5729e76c7d
commit 0bf496f864
1 changed files with 8 additions and 0 deletions
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8
Userland/Libraries/LibC/stdlib.cpp
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@ -991,6 +991,14 @@ unsigned long long strtoull(const char* str, char** endptr, int base)
char* parse_ptr = const_cast<char*>(str); char* parse_ptr = const_cast<char*>(str);
strtons(parse_ptr, &parse_ptr); strtons(parse_ptr, &parse_ptr);
if (base == 16) {
// Dr. POSIX: "If the value of base is 16, the characters 0x or 0X may optionally precede
// the sequence of letters and digits, following the sign if present."
if (*parse_ptr == '0') {
if (tolower(*(parse_ptr + 1)) == 'x')
parse_ptr += 2;
}
}
// Parse base // Parse base
if (base == 0) { if (base == 0) {
if (*parse_ptr == '0') { if (*parse_ptr == '0') {