lib/libc/tests: add unit test for arc4random_uniform()

The new unit test validates that the range reduction works correctly.
We do not currently validate that there is no bias as that would take
too

lib/libc/tests: add unit test for arc4random_uniform()

The new unit test validates that the range reduction works correctly.
We do not currently validate that there is no bias as that would take
too much time and memory for a unit test.

Reviewed by: cem
Approved by: emaste
Differential Revision: https://reviews.freebsd.org/D47659

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libc: Purge unneeded cdefs.h

These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Kee

libc: Purge unneeded cdefs.h

These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Keep those.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D42385

show more ...

Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

lib/libc/tests: add unit test for arc4random_uniform()

The new unit test validates that the range reduction works correctly.
We do not currently validate that there is no bias as that would take
too

lib/libc/tests: add unit test for arc4random_uniform()

The new unit test validates that the range reduction works correctly.
We do not currently validate that there is no bias as that would take
too much time and memory for a unit test.

Reviewed by: cem
Approved by: emaste
Differential Revision: https://reviews.freebsd.org/D47659

show more ...

libc: Purge unneeded cdefs.h

These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Kee

libc: Purge unneeded cdefs.h

These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Keep those.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D42385

show more ...

Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

Fix some TAP -> ATF conversion errors

- Remove a leftover printf from when this was a TAP based testcase
- Catch mmap failures properly

MFC after: 3 days
Sponsored by: EMC / Isilon Storage Division

Convert tools/regression/lib/libc/gen/test-arc4random into an ATF testcase and
rename as lib/libc/gen/arc4random_test

Sponsored by: EMC / Isilon Storage Division

A regression test to ensure that arc4random returns different sequences
in parent and child processes after a fork.