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Rather than the very C-like API we currently have, accepting a void* and
a length, let's take a Bytes object instead. In almost all existing
cases, the compiler figures out the length.
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From the getentropy() man page, "The maximum permitted value for the
length argument is 256". Several of our tests were passing lengths of
several thousand bytes, causing getentropy() to fail with EIO, which we
were completely ignoring. This caused these tests to only test long
sequences of 0x00.
We now loop over the provided buffer to fill it 256 bytes at a time. If
getentropy() fails for any reason, we fall back to the default method of
filling it with one random byte at a time.
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AK::shuffle() doesn't work on these, because their operator[] returns a
reference to the pointed-at value, instead of to the NonnullPtr itself.
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This implements a shuffle function in AK/Random.h which works on any
container with size() and curly brace operators. It uses fisher-yates
shuffle.
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This is the same as the libc function, just use the libc function.
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This patch adds the `USING_AK_GLOBALLY` macro which is enabled by
default, but can be overridden by build flags.
This is a step towards integrating Jakt and AK types.
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Now that we have OS macros for essentially every supported OS, let's try
to use them everywhere.
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This is the initial port of Lagom to win32. This will enable developers
to use Lagom as an alternative to vanilla STL/StandardC++Library - which
gives a much richer environment (think QtCore - but modern).
My main incentive - is to have a native Windows Ladybird working.
I am starting with AK, which does not yet fully compile (on mingw). When
AK is compiling (currently fails building StringBuffer.cpp) - I will
continue to LibCore and then the rest of the user space libraries
(excluding the GUI, which will be another different effort).
Most of the code is happily stollen from Andrew Kaster's fork - he
deserves the credit.
Co-authored-by: Andrew Kaster <akaster@serenityos.org>
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We use our custom platform definitions in most places, remove
the few remaining places we weren't using `AK_OS_MACOS`.
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This is arc4random_uniform(), but inside AK.
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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Problem:
- `(void)` simply casts the expression to void. This is understood to
indicate that it is ignored, but this is really a compiler trick to
get the compiler to not generate a warning.
Solution:
- Use the `[[maybe_unused]]` attribute to indicate the value is unused.
Note:
- Functions taking a `(void)` argument list have also been changed to
`()` because this is not needed and shows up in the same grep
command.
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This implements the transmit time suggestion in (abandoned?)
draft-ietf-ntp-data-minimization. (The other suggestions were already
implemented as far as I can tell.)
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This can be used in code that builds on non-Serenity platforms.
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