On 04/05/2021 14:07, Joel Sherrill wrote:
This is undefined behaviour and I would rather they all return NULL.
As far as I understood the POSIX text, it is implementation-defined behaviour and POSIX gives two valid implementation options. The patch removed some code (less code is always good) and now we are in line with Linux and FreeBSD.
No portable program should ever do this.
Yes.
In fact, it should be something caught in debug mode.
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