1
0
mirror of https://github.com/janet-lang/janet synced 2024-12-23 06:50:26 +00:00

fix janet_string_equalconst

Check string length before pointer equality, so that a string is not considered
equal to a prefix slice of itself.
This commit is contained in:
Ian Henry 2024-11-16 21:20:26 -08:00
parent 9f4497a5ae
commit e2eb7ab4b2
No known key found for this signature in database

View File

@ -71,10 +71,10 @@ int janet_string_compare(const uint8_t *lhs, const uint8_t *rhs) {
int janet_string_equalconst(const uint8_t *lhs, const uint8_t *rhs, int32_t rlen, int32_t rhash) {
int32_t lhash = janet_string_hash(lhs);
int32_t llen = janet_string_length(lhs);
if (lhs == rhs)
return 1;
if (lhash != rhash || llen != rlen)
return 0;
if (lhs == rhs)
return 1;
return !memcmp(lhs, rhs, rlen);
}