alt Hacker News> adhering to the spec
Pedantic, but more "author's understanding of the spec" which isn't always correct.
> assume nonstandard behavior
I go back and forth on this one (spec vs standard behavior). It feels like at some point the most widely used impl -is- the spec, as we've seen in other places (web standards).
The spec is pretty unambiguous here: https://pubs.opengroup.org/onlinepubs/9799919799/functions/c...
> Upon successful completion, crypt() shall return a pointer to the hashed password [...]. Otherwise, it shall return a null pointer and set errno to indicate the error.